CN211118110U

CN211118110U - Pipeline connecting structure

Info

Publication number: CN211118110U
Application number: CN201922046732.5U
Authority: CN
Inventors: 丁明辉; 林光军; 杨保江; 徐璞; 尤定文
Original assignee: Wuxi Tianhe Landscape Engineering Co ltd
Current assignee: Wuxi Tianhe Landscape Engineering Co ltd
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-07-28
Anticipated expiration: 2029-11-23

Abstract

The utility model relates to a connection structure's technical field, aim at providing a pipeline connection structure, its technical scheme main points are including outer tube and interior sleeve pipe, the inside wall of outer tube includes first slope section and first horizontal segment, interior sheathed tube lateral wall includes second slope section and second horizontal segment, the one end that the outer tube has first slope section links to each other with the first pipeline that waits to be connected, interior sleeve pipe sets up on the second pipeline that waits to be connected, interior sleeve pipe insert is established in the outer tube, first slope section is contradicted with the second slope section, first horizontal segment is contradicted with the second horizontal segment, the first pipeline tip that waits to be connected is contradicted with the second pipeline tip that waits to be connected, and the central line of the first pipeline that waits to be connected is collineatly with the central line of the second pipeline that waits to be connected; when the pipeline connecting structure is used for connecting two pipelines, the phenomenon of unevenness at the joint of the two pipelines can be avoided, the pipe wall thickness of the pipelines cannot be influenced, and convenience is brought to a user.

Description

Pipeline connecting structure

Technical Field

The utility model relates to a connection structure's technical field, in particular to pipeline connection structure.

Background

The PE pipe is a general name of polyethylene pipes, is a nonpolar thermoplastic resin pipe with high crystallinity, has excellent characteristics of resisting most of domestic and industrial chemicals, and is continuously improved in quality along with the rapid development of plastic pipelines in China; at present, the plastic pipeline industry mainly comprising polyvinyl chloride pipes, polyethylene pipes and polypropylene pipes has been developed preliminarily, wherein the polyethylene pipes, i.e., the PE pipes are widely used for building water supply, building drainage, buried drain pipes, building heating and gas transmission pipes, electrical and telecommunication protective sleeves, industrial pipes, agricultural pipes, etc. due to their unique advantages, and are mainly used in the fields of urban water supply, urban gas supply, farmland irrigation, etc.

At present, the adopted mode is generally hot melting connection when connecting polyethylene pipelines, as shown in figure 1, when in connection, the hot melting connection is carried out through electric heating equipment, the end parts of the two pipelines are directly connected,

the direct hot-melt connection mode between the two pipelines easily causes the uneven phenomenon at the pipeline joint, influences the pipe wall thickness of the pipelines and brings inconvenience to users.

Therefore, for the field, a connection structure capable of preventing the uneven phenomenon from occurring at the joint of the two pipelines needs to be developed, so that the wall thickness of the pipeline is not affected when the two pipelines are connected, and convenience is brought to users.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipeline connection structure, when connecting two pipelines, unsmooth uneven phenomenon appears in its junction that can avoid two pipelines, can not cause the influence to the pipe wall thickness of pipeline, brings the convenience for the user.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a pipeline connecting structure, includes outer tube and interior sleeve pipe, the inside wall of outer tube includes first slope section, first horizontal segment and third horizontal segment, and first horizontal segment and third horizontal segment are in the both ends of first slope section respectively, the outer tube has the one end of third horizontal segment and links to each other with the first pipeline of treating the connection, interior sheathed tube lateral wall includes second slope section and second horizontal segment, and interior sleeve pipe setting is on treating the second pipeline of connecting, interior sleeve pipe is inserted and is established in the outer tube, and first slope section contradicts with the second slope section, and first horizontal segment contradicts with the second horizontal segment, and the first pipeline tip of treating the connection is contradicted with the second pipeline tip of treating the connection, and the central line of the first pipeline of treating the connection and the central line collineation of the second pipeline of treating the connection.

Through adopting above-mentioned technical scheme, when connecting first pipeline and second pipeline, insert interior sleeve pipe in the outer tube, make the first slope section of outer tube contradict with interior sheathed tube second slope section, treat that the first pipeline tip of connecting contradicts with the second pipeline tip of treating the connection, first horizontal segment contradicts with the second horizontal segment, the outer tube wraps up interior sleeve pipe, couple together outer tube and interior sleeve pipe through the hot melt mode, thereby realize will treating the first pipeline of connecting and second pipe connection, because the hot melt junction is outer tube and interior sheathed tube junction, can not lead to treating the first pipeline of connecting and second pipeline to take place deformation, thereby avoid the uneven phenomenon to appear in the junction of two pipelines, can not cause the influence to the pipe wall thickness of pipeline, bring the convenience for the user.

Further setting: the surface of the first inclined section is in a step shape, the surface of the second inclined section is in a step shape, and the step shape of the first inclined section is matched with that of the second inclined section.

Through adopting above-mentioned technical scheme, all set up the surface of first slope section and second slope section into the echelonment, can prolong the route of first slope section and second slope section, and set smooth the comparison with the surface of first slope section and second slope section, when rivers pass through two pipelines, can reduce the possibility that water flows to the contact department of first horizontal segment and second horizontal segment through the contact department of first slope section and second slope section, thereby whole sealing performance has been improved.

Further setting: the first inclined section is provided with a first sealing gasket, the second inclined section is provided with a second sealing gasket, and the first sealing gasket and the second sealing gasket are mutually abutted.

Through adopting above-mentioned technical scheme, the setting of first seal gasket and second seal gasket can improve the leakproofness between first slope section and the second slope section to this connection structure's holistic leakproofness has further been improved.

Further setting: still include holding ring and constant head tank, the constant head tank sets up on treating the first pipeline of connecting, the holding ring sets up on treating the second pipeline of connecting, the holding ring is inserted and is established in the constant head tank.

Through adopting above-mentioned technical scheme, when connecting the first pipeline and the second pipeline of treating to connect, insert the constant head tank with the holding ring in to treat and carry on spacingly between the first pipeline of connecting and the second pipeline, avoid treating that the tip of the first pipeline of connecting and the tip of second pipeline stagger each other, influence the connection between two pipelines.

Further setting: the outer sleeve is detachably connected with a first pipeline to be connected.

By adopting the technical scheme, if the outer sleeve is damaged before connection, the damaged outer sleeve can be detached for replacement, so that the connection process can be smoothly carried out.

Further setting: the outer sleeve is connected with a first pipeline to be connected through threads.

By adopting the technical scheme, when the outer sleeve is replaced, the first pipeline to be connected is rotated, so that the first pipeline to be connected is separated from the outer sleeve, the purpose of detaching the outer sleeve is realized, a new outer sleeve is installed on the first pipeline to be connected through threads, the replacement of the outer sleeve is completed, and the replacement process is convenient and rapid.

Further setting: the inner sleeve is detachably connected with a second pipeline to be connected.

By adopting the technical scheme, if the damaged inner sleeve is found before connection, the damaged inner sleeve can be detached and replaced, so that the connection process can be smoothly carried out.

Further setting: the inner sleeve is in threaded connection with a second pipeline to be connected.

Through adopting above-mentioned technical scheme, when changing interior sleeve pipe, rotate the second pipeline of treating the connection, make the second pipeline of treating the connection and interior sleeve pipe separation to the realization is dismantled the purpose that gets off with interior sleeve pipe, passes through the screw thread with new interior sleeve pipe again and installs on the second pipeline of treating the connection, accomplishes interior sheathed tube change, and the change process is convenient, swift.

Further setting: finger grooves are formed in the outer sleeve and the inner sleeve.

Through adopting above-mentioned technical scheme, the setting of finger recess is convenient for the staff to the control of inner tube and outward appearance cover to the staff can be better fix outer tube and interior sleeve pipe, insert the outer tube for interior sleeve pipe and bring the convenience.

Further setting: and a convex block is arranged in the finger groove.

Through adopting above-mentioned technical scheme, the setting of lug can increase staff's finger and the frictional force between the finger recess to the phenomenon of skidding has been avoided appearing, so that the staff can be stable hold outer tube and interior sleeve pipe.

To sum up, the utility model discloses following beneficial effect has:

1. when a first pipeline and a second pipeline are connected, the inner sleeve is inserted into the outer sleeve, so that a first inclined section of the outer sleeve is abutted against a second inclined section of the inner sleeve, the end part of the first pipeline to be connected is abutted against the end part of the second pipeline to be connected, a first horizontal section is abutted against a second horizontal section, the outer sleeve wraps the inner sleeve, and the outer sleeve is connected with the inner sleeve in a hot melting mode, so that the first pipeline and the second pipeline to be connected are connected, and the first pipeline and the second pipeline to be connected cannot be deformed due to the fact that a hot melting joint is the joint of the outer sleeve and the inner sleeve, so that the phenomenon that the joint of the two pipelines is uneven is avoided, the pipe wall thickness of the pipelines cannot be influenced, and convenience is brought to a user;

2. the arrangement of the first sealing gasket and the second sealing gasket can improve the sealing performance between the first inclined section and the second inclined section, so that the overall sealing performance of the connecting structure is further improved;

3. if the outer sleeve is damaged before connection, the damaged outer sleeve can be detached for replacement, so that the connection process can be smoothly carried out.

Drawings

FIG. 1 is a schematic structural view showing a positional relationship between an outer sleeve and an inner sleeve in the present embodiment;

FIG. 2 is an enlarged view of the portion A of FIG. 1 for showing the positional relationship between the positioning ring and the positioning groove;

FIG. 3 is a schematic structural diagram of the present embodiment for showing the positional relationship between the first sealing gasket and the outer sleeve;

FIG. 4 is a schematic structural view illustrating a connection relationship between the first pipe and the outer sleeve in the present embodiment;

FIG. 5 is a schematic structural diagram showing a positional relationship between the second sealing gasket and the inner sleeve in the present embodiment;

FIG. 6 is a schematic structural diagram showing the connection between the inner casing and the second pipe in the present embodiment;

fig. 7 is a schematic structural diagram for embodying the present invention in this embodiment.

In the figure, 1, an outer sleeve; 2. an inner sleeve; 3. a positioning ring; 4. positioning a groove; 5. a first inclined section; 6. a first horizontal segment; 7. a third horizontal segment; 8. a first sealing gasket; 9. a first connecting ring; 10. a bearing; 11. a first internally threaded tube; 12. a first externally threaded tube; 13. a second inclined section; 14. a second horizontal segment; 15. a third inclined section; 16. a second sealing gasket; 17. a finger groove; 18. a bump; 19. a first conduit; 20. a second conduit.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a pipeline connecting structure is shown in figures 1 and 2 and comprises an outer sleeve 1, an inner sleeve 2, a positioning ring 3 and a positioning groove 4.

As shown in fig. 2 and 3, the inner sidewall of the outer sleeve 1 comprises a first inclined section 5, a first horizontal section 6 and a third horizontal section 7, the first horizontal section 6 and the third horizontal section 7 are respectively arranged at two ends of the first inclined section 5, the surface of the first inclined section 5 is arranged in a step shape, and the first inclined section 5 is provided with a first sealing gasket 8, one end of the outer sleeve 1 with a third horizontal section 7 is connected with a first pipeline 19 to be connected, the outer sleeve 1 is detachably connected with the first pipeline 19 to be connected, as shown in fig. 2 and 4, a first connecting ring 9 is arranged on the outer sleeve 1, the first connecting ring 9 is rotatably connected with a first inner threaded pipe 11 through a bearing 10, a first outer threaded pipe 12 is arranged on a first pipeline 19 to be connected, the first inner threaded pipe 11 and the first outer threaded pipe 12 are connected through threads, and a positioning groove 4 is arranged at one end of the first pipeline 19 to be connected, which is connected with the outer sleeve 1.

In disassembling the outer sleeve 1, the first pipe 19 to be connected or the first internally threaded pipe 11 is rotated to change the relative position between the first internally threaded pipe 11 and the first externally threaded pipe 12, so that the first internally threaded pipe 11 is separated from the first externally threaded pipe 12, thereby completing the disassembly of the outer sleeve 1.

When the outer sleeve 1 is mounted, the first internally threaded tube 11 and the first externally threaded tube 12 are connected by means of a screw thread, so that the outer sleeve 1 is mounted on a first pipe 19 to be connected.

As shown in fig. 2 and 5, the outer sidewall of the inner sleeve 2 includes a second inclined section 13, a second horizontal section 14 and a third inclined section 15, the second inclined section 13 and the third inclined section 15 are respectively disposed at two ends of the second horizontal section 14, the surface of the second inclined section 13 is in a step shape, the step shape of the first inclined section 5 matches with the step shape of the second inclined section 13, and the second inclined section 13 is provided with a second sealing gasket 16, as shown in fig. 1 and 6, the inner sleeve 2 is detachably connected with a second pipe 20 to be connected through a screw thread, as shown in fig. 2 and 6, the positioning ring 3 is disposed at one end of the second pipe 20 to be connected, which is connected with the inner sleeve 2.

As shown in fig. 6 and 7, finger grooves 17 are formed on the outer side walls of the outer sleeve 1 and the inner sleeve 2, and protrusions 18 are formed in the finger grooves 17, so that a worker can hold and fix the outer sleeve 1 and the inner sleeve 2 through the finger grooves 17.

When the inner sleeve 2 is inserted into the outer sleeve 1, the collinear first inclined section 5 of the central line of a first pipeline 19 to be connected and the central line of a second pipeline 20 to be connected are abutted against the second inclined section 13, the first horizontal section 6 is abutted against the second horizontal section 14, the end part of the first pipeline 19 to be connected is abutted against the end part of the second pipeline 20 to be connected, the first sealing gasket 8 is abutted against the second sealing gasket 16, and the positioning ring 3 is inserted into the positioning groove 4, so that the overall sealing performance of the connection structure is improved.

The implementation process comprises the following steps: when connecting first pipeline 19 and second pipeline 20, insert interior sleeve pipe 2 in outer tube 1, the first pipeline 19 tip of treating to connect is contradicted with the second pipeline 20 tip of treating to connect, the holding ring 3 is inserted in constant head tank 4, first seal gasket 8 and second seal gasket 16 are contradicted each other and are in the same place, outer tube 1 wraps up interior sleeve pipe 2, couple together outer tube 1 and interior sleeve pipe 2 through the hot melt mode, thereby realize to treat that the first pipeline 19 and the second pipeline 20 of connecting couple together, because the hot melt junction is the junction of outer tube 1 and interior sleeve pipe 2, can not lead to treating that the first pipeline 19 and the second pipeline 20 of connecting take place deformation, thereby avoid the uneven phenomenon to appear in the junction of two pipelines, can not cause the influence to the pipe wall thickness of pipeline, bring the convenience for the user.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. A pipe connection structure characterized in that: comprises an outer sleeve (1) and an inner sleeve (2), wherein the inner side wall of the outer sleeve (1) comprises a first inclined section (5), a first horizontal section (6) and a third horizontal section (7), the first horizontal section (6) and the third horizontal section (7) are respectively arranged at two ends of the first inclined section (5), one end of the outer sleeve (1) provided with the third horizontal section (7) is connected with a first pipeline (19) to be connected, the outer side wall of the inner sleeve (2) comprises a second inclined section (13) and a second horizontal section (14), the inner sleeve (2) is arranged on a second pipeline (20) to be connected, the inner sleeve (2) is inserted in the outer sleeve (1), the first inclined section (5) is abutted against the second inclined section (13), the first horizontal section (6) is abutted against the second horizontal section (14), the end of the first pipeline (19) to be connected is abutted against the end of the second pipeline (20) to be connected, and the centre line of the first pipe (19) to be connected is collinear with the centre line of the second pipe (20) to be connected.

2. A pipe connecting structure according to claim 1, wherein: the surface of the first inclined section (5) is in a step shape, the surface of the second inclined section (13) is in a step shape, and the step shape of the first inclined section (5) is matched with the step shape of the second inclined section (13).

3. A pipe connecting structure according to claim 2, wherein: the first inclined section (5) is provided with a first sealing gasket (8), the second inclined section (13) is provided with a second sealing gasket (16), and the first sealing gasket (8) and the second sealing gasket (16) are mutually abutted.

4. A pipe connecting structure according to claim 1, wherein: still include holding ring (3) and constant head tank (4), constant head tank (4) set up on waiting to connect first pipeline (19), holding ring (3) set up on waiting to connect second pipeline (20), holding ring (3) are inserted and are established in constant head tank (4).

5. A pipe connecting structure according to claim 1, wherein: the outer sleeve (1) is detachably connected to a first pipe (19) to be connected.

6. A pipe connecting structure according to claim 5, wherein: the outer sleeve (1) is connected with a first pipeline (19) to be connected through threads.

7. A pipe connecting structure according to claim 1, wherein: the inner sleeve (2) is detachably connected with a second pipeline (20) to be connected.

8. A pipe connecting structure according to claim 7, wherein: the inner sleeve (2) is connected with a second pipeline (20) to be connected through threads.

9. A pipe connecting structure according to claim 1, wherein: finger grooves (17) are formed in the outer sleeve (1) and the inner sleeve (2).

10. A pipe connecting structure according to claim 9, wherein: a convex block (18) is arranged in the finger groove (17).