CN211550862U - Pipe-in-pipe adapter - Google Patents
Pipe-in-pipe adapter Download PDFInfo
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- CN211550862U CN211550862U CN201922497817.5U CN201922497817U CN211550862U CN 211550862 U CN211550862 U CN 211550862U CN 201922497817 U CN201922497817 U CN 201922497817U CN 211550862 U CN211550862 U CN 211550862U
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- mounting
- mounting hole
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Abstract
The utility model belongs to the technical field of the tube coupling, refer in particular to a pipe-in-pipe crossover sub, it is including connecting the main part, be provided with the pipe-in-pipe connection portion of at least one connecting pipe way in the joint main part, pipe-in-pipe connection portion includes the joint inner tube of pipe-in-pipe runner in the connecting pipe and the joint outer tube of pipe-in-pipe outer runner in the connecting pipe, the setting of joint inner tube is inside connecting the outer tube, be provided with at least one pipe installation department of connecting the single pipe way in the joint main part, set up the interior runner mounting hole of intercommunication joint inner tube and the outer runner mounting hole of. The utility model discloses a set up pipe-in-pipe connecting portion and pipe installation department simultaneously in the joint main part and realize pipe-in-pipe and ordinary single tube pipeline conversion, have simple structure, with low costs, simple to operate's characteristics.
Description
Technical Field
The utility model belongs to the technical field of the pipe connection, refer in particular to a pipe-in-pipe crossover sub.
Background
At present, in order to facilitate installation of pipelines, many families begin to select pipe-in-pipe pipelines, which mainly comprise an inner pipe and an outer pipe, wherein an inner flow passage is formed inside the inner pipe, and an outer flow passage is formed between the inner pipe and the outer pipe. When in normal use, the inner flow passage has the characteristics of preferential water outlet and quick water outlet of the inner pipe due to the smaller diameter ratio of the inner flow passage; when the water demand is larger, the water can be discharged in double channels. It is mainly applied to drinking water systems or hot water circulation systems or geothermal circulation systems.
At present, when an original pipeline is transformed, the transformation cost is considered, part of families can keep the original part of common single-pipe pipelines, and the problem occurs in the installation between the two pipelines. In addition, many radiators and geothermal systems on the market are provided with a water inlet pipe and a water outlet pipe. In order to match with a single pipe, a conversion joint capable of realizing conversion between a pipe-in-pipe pipeline and a common pipeline needs to be designed.
Disclosure of Invention
The utility model aims at providing a simple structure realizes the pipe-in-pipe crossover sub of pipe-in-pipe and ordinary single tube pipeline conversion.
The purpose of the utility model is realized like this:
the utility model provides a pipe-in-pipe crossover sub, includes the joint main part, be provided with the pipe-in-pipe connecting portion of at least one connecting pipe-in-pipe pipeline in the joint main part, pipe-in-pipe connecting portion include the joint inner tube of connecting pipe-in-pipe runner and the joint outer tube of connecting pipe-in-pipe outer runner, the setting of joint inner tube is inside connecting the outer tube, be provided with at least one pipe installation department of connecting the single pipe pipeline in the joint main part, set up the inner flow way mounting hole of intercommunication joint inner tube and the outer runner mounting hole of intercommunication joint outer tube on the.
Preferably, the inner flow passage mounting hole and the outer flow passage mounting hole are arranged in the same direction or in opposite directions.
Preferably, the inner flow passage mounting hole and the outer flow passage mounting hole are internally provided with limiting bulges for mounting a single pipe pipeline.
Preferably, the joint inner and outer tubes are arranged coaxially inside.
Preferably, the pipe-in-pipe connecting portion and the pipe mounting portion are integrally formed in the joint main body.
Preferably, the joint main body comprises a fixed seat for connecting a pipe-in-pipe pipeline, an installation seat provided with a pipe installation part and a pressing sheet bolt for connecting the fixed seat and the installation seat, the fixed seat is provided with the joint inner pipe and the joint outer pipe, one end of the installation seat is provided with an outer cavity, and the joint outer pipe is communicated with the outer flow channel installation hole through the outer cavity; the other end of the mounting seat is provided with an inner cavity, the pressing sheet bolt is provided with a channel communicated with the joint inner pipe, and the channel is communicated with the inner runner mounting hole through the inner cavity.
Preferably, the mounting seat is provided with a bolt mounting hole, one end of the joint inner tube of the fixing seat is provided with an inner threaded part, and the tabletting bolt penetrates through the bolt mounting hole and is screwed in the inner threaded part.
Preferably, at least one first sealing ring is arranged inside the other end of the joint inner pipe of the fixing seat.
Preferably, the pressing plate bolt comprises a pressing plate and a bolt, and a second sealing ring or/and a sealing washer are/is arranged between the pressing plate and the bolt.
Preferably, a third sealing ring is arranged between the pressing sheet bolt and the mounting seat or/and between the mounting seat and the fixed seat.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
1. the utility model discloses a set up pipe-in-pipe connecting portion and pipe installation department simultaneously in the joint main part and realize pipe-in-pipe and ordinary single tube pipeline conversion, have simple structure, with low costs, simple to operate's characteristics.
2. The utility model discloses a fixing base, mount pad and preforming bolt's form is installed, makes things convenient for the switching of thermal conversion equipment such as pipe way and ordinary radiator in the pipe, convenient maintenance simultaneously.
Drawings
Fig. 1 is a structural schematic diagram of a first embodiment of the straight-through pipe in an integrated manner.
Fig. 2 is a cross-sectional view of the first embodiment of the straight tube in one piece.
Fig. 3 is a schematic structural view of the second embodiment of the elbow pipe in one piece.
Figure 4 is a cross-sectional view of a second embodiment elbow.
FIG. 5 is a structural schematic diagram of a tee of a third embodiment in an integrated manner.
FIG. 6 is a cross-sectional view of a tee of a third embodiment in one piece.
Fig. 7 is a front view schematically showing a part of the structure of a press sheet split type of the fourth embodiment.
Fig. 8 is a schematic reverse view of the split type partial structure of the tabletting of the fourth embodiment.
Fig. 9 is an exploded view of a fourth embodiment of a sheeter segment.
Fig. 10 is a structural schematic diagram of a tabletting split type of the fourth embodiment.
Fig. 11 is a sectional view of a fourth embodiment of a wafer press split.
Fig. 12 is a partial sectional view of a fourth embodiment of a wafer press segment.
FIG. 13 is a schematic view showing a structure of a press-plate type body in which the pipe attaching portion of the fifth embodiment is reversely arranged.
The reference numerals in the figures denote the meanings:
1-a connector body; 2-a fixed seat; 3-mounting a base; 4-tabletting; 5-bolt; 6-first sealing ring; 7-a second sealing ring; 8-a sealing gasket; 9-a third sealing ring;
11-a tube-in-tube connection; 12-fitting inner tube; 13-fitting the outer tube;
14-a tube mounting portion; 15-inner flow passage mounting holes; 16-outer flow passage mounting holes; 17-a limit protrusion;
31-an outer cavity; 32-lumen; 33-bolt mounting holes;
100-pipe-in-pipe line.
Detailed Description
The invention will be further described with reference to specific embodiments below:
the first embodiment is as follows:
as shown in fig. 1-2, a pipe-in-pipe adapter includes a connector main body 1, the connector main body 1 is provided with at least one pipe-in-pipe connecting portion 11 for connecting a pipe-in-pipe pipeline 100, the pipe-in-pipe connecting portion 11 includes a connector inner pipe 12 for connecting a pipe-in-pipe flow channel and a connector outer pipe 13 for connecting a pipe-in-pipe outer flow channel, the connector inner pipe 12 is coaxially disposed inside the connector outer pipe 13, and an outer end of the connector inner pipe 1 extends out of the connector outer pipe 13.
The joint body 1 is provided with at least one pipe mounting part 14 for connecting a single pipe, and the pipe mounting part 14 is respectively provided with an inner runner mounting hole 15 communicated with the joint inner pipe 12 and an outer runner mounting hole 16 communicated with the joint outer pipe 13. In order to install according to the pipe type of a single pipe, the inner flow channel installation hole 15 and the outer flow channel installation hole 16 are arranged in the same direction or in the opposite direction, and the inner flow channel installation hole 15 and the outer flow channel installation hole 16 are arranged side by side in the same direction and are wrapped by the joint main body 1, so that the single pipe type pipeline is more attractive. Meanwhile, limiting bulges 17 for installing single pipes are arranged in the inner flow passage installation hole 15 and the outer flow passage installation hole 16, so that the penetration of the single pipes is conveniently limited during hot melting.
Preferably, the pipe-in-pipe connecting part 11 and the pipe mounting part 14 are integrally formed in the joint body 1, and are preferably made of plastic, so that the manufacture is convenient, and the production cost is reduced.
Example two:
as shown in fig. 3-4, the present embodiment is substantially the same as the first embodiment, and the difference is that: this embodiment is an elbow joint, i.e., the pipe-in-pipe connecting portion 11 and the pipe mounting portion 14 are vertically disposed.
Example three:
as shown in fig. 5 to 6, the present embodiment is substantially the same as the first embodiment, and the difference is that: this embodiment is three way connection, namely, is provided with a pipe-in-pipe connecting portion 11 and two pipe installation portions 14 on the joint main body 1, a plurality of single pipe pipelines of easy to assemble.
Example four
As shown in fig. 7 to 12, this embodiment is substantially the same as the first embodiment, and is different in that the joint body 1 is designed into a split type, as follows: the joint main body 1 includes a fixing seat 2 for connecting the pipe-in-pipe line 100, a mounting seat 3 provided with a pipe mounting portion 14, and a pressing bolt for connecting the two, in this embodiment, an inner flow passage mounting hole 15 and an outer flow passage mounting hole 16 of the pipe mounting portion 14 are arranged in the same direction. The fixed seat 2 is provided with the joint inner pipe 12, the joint outer pipe 13 and connecting ribs between the joint inner pipe and the joint outer pipe, namely the pipe-in-pipe connecting part 11. For the convenience of installation, the joint outer tube 13 of fixing base 2 is provided with screw thread portion or joint portion or hot melt portion, and screw thread portion is selected to this embodiment, convenient dismantlement and installation. For the sealing performance, at least one first sealing ring 6 is arranged inside the other end of the joint inner pipe 12 of the fixed seat 2. The pipe-in-pipe pipeline 100 comprises a pipe-in-pipe and a pipe-in-pipe joint, as shown in fig. 11, the pipe-in-pipe joint is provided with a limiting portion on an inner pipe of the pipe-in-pipe joint, the other end of the joint inner pipe 12 is installed on the limiting portion and forms a movable gap with the limiting portion, which is to prevent the fixed length of the fixing base 2 from being insufficient, or after the fixing base 2 is fixed, the joint inner pipe 12 touches the limiting portion and breaks.
The mounting seat 3 is provided with a bolt mounting hole 33, one end of the joint inner tube 12 of the fixing seat 2 is provided with an inner threaded part, and the tabletting bolt penetrates through the bolt mounting hole 33 and is in threaded connection with the inner threaded part. The integrative setting of preforming bolt also can the components of a whole that can function independently setting, promptly: the pressing sheet bolt comprises a pressing sheet 4 and a bolt 5 which seal an inner cavity 32, and a second sealing ring 7 or/and a sealing washer 8 are/is arranged between the pressing sheet 4 and the bolt 5.
An outer cavity 31 is formed in one end of the mounting seat 3, and the joint outer pipe 13 is communicated with the outer flow passage mounting hole 16 through the outer cavity 31; the other end of the mounting seat 3 is provided with an inner cavity 32, the tabletting bolt is provided with a channel communicated with the joint inner pipe 12, and the channel is communicated with the inner runner mounting hole 15 through the inner cavity 32. In addition, one end of the joint inner pipe 12 of the fixed seat 2 extends into the bolt mounting hole 33, so that the inner cavity 32 and the outer cavity 31 are sealed and isolated. In order to increase the sealing performance, a third sealing ring 9 is arranged between the pressing sheet bolt and the mounting seat 3 or/and between the mounting seat 3 and the fixed seat 2.
Example five:
as shown in fig. 13, the present embodiment is basically the same as the fourth embodiment, and the difference is that: the inner flow path mounting hole 15 and the outer flow path mounting hole 16 are oppositely arranged.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a pipe-in-pipe crossover sub, includes joint main part (1), be provided with pipe-in-pipe connection portion (11) of at least one connecting pipe-in-pipe pipeline (100) on joint main part (1), pipe-in-pipe connection portion (11) are including connecting pipe-in-pipe runner's joint inner tube (12) and connecting pipe-in-pipe runner's joint outer tube (13), it is inside in joint outer tube (13), its characterized in that to connect inner tube (12) setting: the joint is characterized in that at least one pipe installation part (14) for connecting a single pipe is arranged on the joint main body (1), and an inner runner installation hole (15) for communicating the joint inner pipe (12) and an outer runner installation hole (16) for communicating the joint outer pipe (13) are respectively arranged on the pipe installation part (14).
2. The pipe-in-pipe crossover joint of claim 1, wherein: the inner runner mounting hole (15) and the outer runner mounting hole (16) are arranged in the same direction or in opposite directions.
3. The pipe-in-pipe crossover joint of claim 1, wherein: and limiting bulges (17) for mounting the single-pipe pipeline are arranged in the inner flow channel mounting hole (15) and the outer flow channel mounting hole (16).
4. The pipe-in-pipe crossover joint of claim 1, wherein: the joint inner pipe (12) and the joint outer pipe are coaxially arranged.
5. The pipe-in-pipe crossover joint of any one of claims 1-4, wherein: the pipe-in-pipe connecting part (11) and the pipe mounting part (14) are integrally formed in the joint main body (1).
6. The pipe-in-pipe crossover joint of any one of claims 1-4, wherein: the joint main body (1) comprises a fixed seat (2) for connecting a pipe-in-pipe pipeline (100) with a pipe, a mounting seat (3) provided with a pipe mounting part (14) and a pressing sheet bolt for connecting the pipe and the mounting seat, wherein the fixed seat (2) is provided with the joint inner pipe (12) and the joint outer pipe (13), one end of the mounting seat (3) is provided with an outer cavity (31), and the joint outer pipe (13) is communicated with an outer flow passage mounting hole (16) through the outer cavity (31); an inner cavity (32) is formed in the other end of the mounting seat (3), a channel communicated with the joint inner pipe (12) is formed in the pressing bolt, and the channel is communicated with the inner runner mounting hole (15) through the inner cavity (32).
7. The pipe-in-pipe crossover sub of claim 6, wherein: the mounting seat (3) is provided with a bolt mounting hole (33), one end of the joint inner tube (12) of the fixing seat (2) is provided with an internal thread part, and the tabletting bolt penetrates through the bolt mounting hole (33) and is in threaded connection with the internal thread part.
8. The pipe-in-pipe crossover sub of claim 6, wherein: at least one first sealing ring (6) is arranged inside the other end of the joint inner pipe (12) of the fixed seat (2).
9. The pipe-in-pipe crossover sub of claim 6, wherein: the pressing sheet bolt comprises a pressing sheet (4) and a bolt (5), and a second sealing ring (7) or/and a sealing washer (8) are/is arranged between the pressing sheet (4) and the bolt (5).
10. The pipe-in-pipe crossover sub of claim 6, wherein: and a third sealing ring (9) is arranged between the pressing bolt and the mounting seat (3) or/and between the mounting seat (3) and the fixed seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922497817.5U CN211550862U (en) | 2019-12-31 | 2019-12-31 | Pipe-in-pipe adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922497817.5U CN211550862U (en) | 2019-12-31 | 2019-12-31 | Pipe-in-pipe adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211550862U true CN211550862U (en) | 2020-09-22 |
Family
ID=72489404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922497817.5U Active CN211550862U (en) | 2019-12-31 | 2019-12-31 | Pipe-in-pipe adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211550862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217668A (en) * | 2021-05-19 | 2021-08-06 | 中润致浦科技集团(成都)有限公司 | Double-runner thick film heating pipe with high replacement convenience and control method thereof |
-
2019
- 2019-12-31 CN CN201922497817.5U patent/CN211550862U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217668A (en) * | 2021-05-19 | 2021-08-06 | 中润致浦科技集团(成都)有限公司 | Double-runner thick film heating pipe with high replacement convenience and control method thereof |
| CN113217668B (en) * | 2021-05-19 | 2022-11-22 | 中润致浦科技集团(成都)有限公司 | Double-runner thick film heating pipe with high replacement convenience and control method thereof |
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