CN208381562U - A kind of gas pipeline no-dig technique liner reparation connector - Google Patents
A kind of gas pipeline no-dig technique liner reparation connector Download PDFInfo
- Publication number
- CN208381562U CN208381562U CN201821038369.1U CN201821038369U CN208381562U CN 208381562 U CN208381562 U CN 208381562U CN 201821038369 U CN201821038369 U CN 201821038369U CN 208381562 U CN208381562 U CN 208381562U
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- China
- Prior art keywords
- push pipe
- pipe
- tube
- expansion
- connecting tube
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Abstract
The utility model discloses a kind of gas pipeline no-dig technique liner reparation connectors, including connecting tube, expansion tube and push pipe, expansion tube is set between connecting tube and push pipe, hose is between expansion tube and connecting tube, expansion tube includes limited location snap ring and expansion socket, expansion socket is equipped with the expansion joint (E.J.) array by forming through the expansion joint (E.J.) of expansion socket barrel, expand the internal diameter that socket outer diameter is less than hose, push pipe includes push pipe tube head and push pipe pipe shaft, the internal diameter of hose is less than the outer diameter of push pipe pipe shaft, hose outside diameter is less than the internal diameter of connecting tube, the outer diameter of push pipe pipe shaft is less than the internal diameter of connecting tube, the internal diameter of push pipe pipe shaft is less than the internal diameter of push pipe tube head, push pipe pipe shaft can open expansion tube and be inserted into connecting tube, the internal diameter smooth transition of the interior radial push pipe pipe shaft of push pipe tube head, so that push pipe both ends are straight with pipe diameter and hose to be repaired respectively Diameter matches and does not influence the smooth conveying of combustion gas.
Description
Technical field
The utility model relates to the technical fields of pipeline rehabilitation device, and in particular to a kind of gas pipeline no-dig technique liner is repaired
It is multiplexed connector.
Background technique
Currently, being attached between hose and hose, hose and hard tube often by attachment device.And in hose and company
Connection type between connection device, usually with glue by hose paste on the connector of attachment device, then, then outside plus
With the metal or Plastibell of fastening;Or by tube socket on connector after, reuse clamp, compressing hose makes soft
Certain deformation occurs for the tube wall of pipe, to secure the hose on connector.But since glue is easy to appear aging, or
May there be gap when paste, therefore be attached using the mode that glue pastes, be easy to appear letting out for gas or liquid
Phenomenon is leaked, moreover, the technique of paste is also complex;And be fixed using clip, the pipe thickness such as hose is relatively thin, such as
Pipe thickness is at 0.16 centimetre hereinafter, so for clip when clamping, the degree of the tube wall deformation of hose is little, the effect of clamping
Fruit is limited, the more short narrow situation in position that the leakage phenomenon of gas or liquid, especially hose and connector combine also easily occurs
Under, effect is more undesirable, and junction, which is easy to happen, to be loosened and leak, and reliability is poor.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of gas pipeline no-dig technique liner reparation connector, installations
It is convenient, guarantee the smooth conveying of combustion gas and good airproof performance.
In order to solve the above-mentioned technical problem, the utility model provides a kind of gas pipeline no-dig technique liner reparation with connecing
Head, including connecting tube, expansion tube and push pipe, the expansion tube are set between the connecting tube and push pipe, the hose of required connection
Between the expansion tube and connecting tube, hose is compressed between the two, and the expansion tube includes limited location snap ring and expansion
Socket, the expansion socket are equipped with the expansion joint (E.J.) array by forming through the expansion joint (E.J.) of the expansion socket barrel, the expansion socket
Outer diameter is less than the internal diameter of the hose, facilitates in insertion hose, the push pipe includes push pipe tube head and push pipe pipe shaft, the hose
Internal diameter be less than the push pipe pipe shaft outer diameter, the hose outside diameter be less than the connecting tube internal diameter, the push pipe pipe shaft
Outer diameter is less than the internal diameter of the connecting tube, so that hose is inserted into connecting tube, push pipe pipe shaft can open expansion tube and insert
Enter in connecting tube, the internal diameter of the push pipe pipe shaft is also less than the internal diameter of the push pipe tube head, the interior radial direction institute of the push pipe tube head
State push pipe pipe shaft internal diameter smooth transition so that push pipe both ends matched respectively with pipe diameter and hose diameter to be repaired and
The smooth conveying of combustion gas is not influenced.
Further, the inner wall of the connecting tube is equipped with the anti-skidding annular groove array being made of anti-skidding annular groove, the expansion tube
The outer wall of cylinder is equipped with the anti-skid bulge array being made of anti-skid bulge, and the anti-skid bulge is matched with the anti-skidding annular groove, prevents
The inner wall of sliding protrusion squeezing tube, the outer wall of hose and anti-skidding annular groove mutual extrusion so that the outer wall score of hose be embedded into it is anti-
In slip ring slot, the effect of hose and anti-skid bulge and anti-skidding annular groove constitutes the double seal face of pipeline, and sealing performance is excellent.
Further, to prevent hose from slipping between expansion tube and connecting tube, the cross section of the anti-skid bulge is half
Circle, the cross section of the anti-skidding annular groove are rectangle.
Further, it is trapezoidal sealing ring that the connecting tube, which is equipped with section far from one end inner wall of the push pipe tube head,
The internal diameter of the sealing ring is slightly less than the outer diameter of the hose, and the press that wedge shape is equipped on the outside of the end of the push pipe pipe shaft is oblique
Face, the press inclined-plane are matched with the trapezoidal inclined plane of sealing ring, and hose is pressed between the two, and hose is by further close
Envelope, so that reparation connector smooth can be passed through from the gas that connector either side flows into is repaired.
Further, the end of the push pipe tube head is connected with the first connection annulus, convenient to weld with transition conduit.
Further, the connecting tube is equipped with the second connection annulus, convenient and reparation far from one end of the push pipe tube head
Pipeline welding.
Further, the outer diameter of the push pipe tube head is greater than the outer diameter of the push pipe pipe shaft, the push pipe tube head and push pipe
The lateral surface of pipe shaft connection is in step-like, so that the pipe thickness of push pipe tube head internal diameter changing unit is uniform greater than internal diameter in push pipe
Partial pipe thickness, it is ensured that the stabilization for repairing joint structure improves service life, while step-like convenient for push pipe limit.
Further, the connecting tube further includes connecting tube tube head, and the connecting tube tube head is set in the push pipe tube head
Outside, the connecting tube tube head is interior to be equipped with first step and second step, and the limited location snap ring is abutted with the first step, institute
Stating push pipe tube head has the second step to abut, and is fully located at expansion tube between connecting tube and push pipe, and push pipe and connecting tube
Connection more fasten.
A kind of gas pipeline no-dig technique liner reparation connector of the utility model, good airproof performance, connector internal diameter are smoothed
It crosses, is suitable for fuel gas transmission, guarantee that fuel gas transmission is smooth and easy for installation.
Detailed description of the invention
Fig. 1 is the utility model embodiment overall structure cross-sectional view;
Fig. 2 is the utility model embodiment explosive view;
Fig. 3 is Fig. 2 cross-sectional view.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As shown in Figure 1, a kind of overall structure of gas pipeline no-dig technique liner reparation connector of the utility model embodiment
Cross-sectional view, including connecting tube 1, expansion tube 2 and push pipe 3, the expansion tube 2 is set between the connecting tube 1 and push pipe 3, required
The hose 4 of connection between the expansion tube 2 and connecting tube 1, pipe-repairing 5 and transition conduit 6 respectively with the connecting tube 1
It is welded and fixed with 3 end of push pipe.
As shown in Fig. 2, repairing the explosive view of connector and the cross-sectional view of explosive view, the expansion for the utility model embodiment
Pipe 2 includes limited location snap ring 21 and expansion socket 22, and 4 outer diameter of hose is less than the internal diameter of the connecting tube 1, the expansion socket
22 outer diameters are less than the internal diameter of the hose 4, so that hose 4 is easily passed through the connecting tube 1, cover in the expansion socket 22
On, and the expansion tube 2 is inserted into the connecting tube 1, the push pipe 3 includes push pipe tube head 31 and push pipe pipe shaft 32, institute
The diameter for stating limited location snap ring 21 is greater than the outer diameter of the push pipe pipe shaft 32, and the internal diameter of the hose 4 is less than the push pipe pipe shaft 32
Outer diameter, the expansion socket 22 is equipped with by 23 array of expansion joint (E.J.) that forms of expansion joint (E.J.) 23 through expansion 22 barrel of socket, institute
It states push pipe 3 to be inserted into the expansion socket 22, the expansion joint (E.J.) 23 of expansion socket 22 distending, push pipe under the press of push pipe 3
The outer diameter of pipe shaft 32 is less than the internal diameter of the connecting tube 1, and the push pipe pipe shaft 32 can be fully inserted into the connecting tube 1,
During this, expansion socket 22 is constantly inflated, expands 4 inner wall of outer wall squeezing tube of socket 22, meanwhile, 4 outer wall of hose
It is squeezed mutually with 1 inner wall of connecting tube, hose 4 is squeezed tightly between expansion tube 2 and connecting tube 1, to guarantee hose 4
The firm and good leakproofness of connection, the inner wall of the connecting tube 1 are equipped with 11 gusts of anti-skidding annular groove be made of anti-skidding annular groove 11
Column, the outer wall of the expansion socket 22 are equipped with 24 array of anti-skid bulge that is made of anti-skid bulge 24, the anti-skid bulge 24 with
The anti-skidding annular groove 11 matches, the inner wall of 24 squeezing tube 4 of anti-skid bulge, and the outer wall of hose 4 and anti-skidding annular groove 11 mutually squeeze
Pressure, so that the outer wall section of hose 4 is embedded into anti-skidding annular groove 11, the effect of hose 4 and anti-skid bulge 24 and anti-skidding annular groove 11
The double seal face of pipeline is constituted, sealing performance is excellent, to further prevent hose 4 sliding between expansion tube 2 and connecting tube 1
De-, the cross section of the anti-skid bulge 24 is semicircle, and the cross section of the anti-skidding annular groove 11 is rectangle, semicircle anti-skid bulge
24 guarantee that will not scratch 4 inner surface of hose when expansion socket 22 struts hose 4 during distending damages hose 4, square
The anti-skidding annular groove 11 of shape guarantees that the hose 4 for being embedded into anti-skidding annular groove 11 is limited by rectangle right-angle side, and non-skid property is excellent.
By hose 4 diameter be less than its pipeline to be repaired diameter, push pipe tube head 31 be connected to primitive pipeline
Transition conduit 6 between pipe-repairing 5 is welded and fixed, and push pipe pipe shaft 32 is connect with hose 4, therefore the push pipe pipe shaft 32
Internal diameter is also less than the internal diameter of the push pipe tube head 31, and the internal diameter of the interior radial direction of the push pipe tube head 31 push pipe pipe shaft 32 is flat
It slips over and crosses, guarantee to ensure the smooth of fuel gas transmission in pipeline while the stabilization of welding.
It is trapezoidal sealing ring 12 that the connecting tube 1, which is equipped with section far from one end inner wall of the push pipe tube head 31, described
The internal diameter of sealing ring 12 is slightly less than the outer diameter of the hose 4, facilitates hose 4 to be inserted into the connecting tube 1, makes hose 4 and sealing ring
12 fittings are even closer, while hose 4 will not be made to be deformed, and the press of wedge shape is equipped on the outside of the end of the push pipe pipe shaft 32
Inclined-plane 33, the press inclined-plane 33 are matched with the trapezoidal inclined plane of sealing ring 12, and hose 4 is pressed between the two, further
The hose 4 is sealed, so that reparation connector smooth can be passed through from the gas that connector either side flows into is repaired.
For convenience of repairing being welded and fixed for connector both ends and transition conduit 6 and pipe-repairing 5, the end of the push pipe tube head 31
Portion is connected with the first connection annulus 34, and the connecting tube 1 is equipped with the second connection annulus 16 far from one end of the push pipe tube head 31
The first connection annulus 34 and the second connection 16 internal-and external diameter of annulus are identical as the transition conduit 6 and pipe-repairing 5.
The outer diameter of the push pipe tube head 31 is greater than the outer diameter of the push pipe pipe shaft 32, so that 31 internal diameter of push pipe tube head changes
Partial pipe thickness is greater than the pipe thickness of internal diameter uniform parts in push pipe 3, it is ensured that repairs the stabilization of joint structure, raising makes
With the service life, the lateral surface that the push pipe tube head 31 is connect with push pipe pipe shaft 32 is convenient to limit to push pipe 3 in step-like, is
It is further ensured that the stabilization for repairing joint structure, the connecting tube 1 further includes connecting tube tube head 13,13 sets of the connecting tube tube head
It is located at 31 outside of push pipe tube head, is equipped with first step 14 and second step 15, the limit in the connecting tube tube head 13
Snap ring 21 is abutted with the first step 14, and the push pipe tube head 31 has the second step 15 to abut, and keeps expansion tube 2 complete
Between connecting tube 1 and push pipe 3, and push pipe 3 and the connection of connecting tube 1 more fasten.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (8)
1. a kind of gas pipeline no-dig technique liner reparation connector, which is characterized in that including connecting tube, expansion tube and push pipe, institute
It states expansion tube to be set between the connecting tube and push pipe, the hose of required connection is between the expansion tube and connecting tube, institute
Stating expansion tube includes limited location snap ring and expansion socket, and the expansion socket is equipped with by the expansion joint (E.J.) group through the expansion socket barrel
At expansion joint (E.J.) array, it is described expansion socket outer diameter be less than the hose internal diameter, the push pipe includes push pipe tube head and push pipe pipe
Body, the internal diameter of the hose are less than the outer diameter of the push pipe pipe shaft, and the hose outside diameter is less than the internal diameter of the connecting tube, described
The outer diameter of push pipe pipe shaft is less than the internal diameter of the connecting tube, and the internal diameter of the push pipe pipe shaft is also less than the interior of the push pipe tube head
Diameter, the internal diameter smooth transition of the interior radial direction of the push pipe tube head push pipe pipe shaft.
2. a kind of gas pipeline no-dig technique liner reparation connector as described in claim 1, which is characterized in that the connecting tube
Inner wall be equipped with the anti-skidding annular groove array that is made of anti-skidding annular groove, the outer wall of the expansion socket is equipped with to be made of anti-skid bulge
Anti-skid bulge array, the anti-skid bulge are matched with the anti-skidding annular groove.
3. a kind of gas pipeline no-dig technique liner reparation connector as claimed in claim 2, which is characterized in that described anti-skidding convex
The cross section risen is semicircle, and the cross section of the anti-skidding annular groove is rectangle.
4. a kind of gas pipeline no-dig technique liner reparation connector as described in claim 1, which is characterized in that the connecting tube
It is trapezoidal sealing ring that one end inner wall far from the push pipe tube head, which is equipped with section, and the internal diameter of the sealing ring is slightly less than described soft
The outer diameter of pipe, is equipped with the press inclined-plane of wedge shape on the outside of the end of the push pipe pipe shaft, the press inclined-plane and sealing ring it is trapezoidal
Inclined-plane matches.
5. a kind of gas pipeline no-dig technique liner reparation connector as described in claim 1, which is characterized in that the push pipe pipe
The end of head is connected with the first connection annulus.
6. a kind of gas pipeline no-dig technique liner reparation connector as described in claim 1, which is characterized in that the connecting tube
One end far from the push pipe tube head is equipped with the second connection annulus.
7. a kind of gas pipeline no-dig technique liner reparation connector as described in claim 1, which is characterized in that the push pipe pipe
The outer diameter of head is greater than the outer diameter of the push pipe pipe shaft, and the lateral surface that the push pipe tube head is connect with push pipe pipe shaft is in step-like.
8. a kind of gas pipeline no-dig technique liner reparation connector as claimed in claim 7, which is characterized in that the connecting tube
It further include connecting tube tube head, the connecting tube tube head is set on the outside of the push pipe tube head, and the is equipped in the connecting tube tube head
One step and second step, the limited location snap ring are abutted with the first step, and the push pipe tube head has the second step to support
It connects.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821038369.1U CN208381562U (en) | 2018-06-29 | 2018-06-29 | A kind of gas pipeline no-dig technique liner reparation connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821038369.1U CN208381562U (en) | 2018-06-29 | 2018-06-29 | A kind of gas pipeline no-dig technique liner reparation connector |
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CN208381562U true CN208381562U (en) | 2019-01-15 |
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CN201821038369.1U Active CN208381562U (en) | 2018-06-29 | 2018-06-29 | A kind of gas pipeline no-dig technique liner reparation connector |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113503421A (en) * | 2021-07-16 | 2021-10-15 | 宁克远 | Ultraviolet light solidification restores heavy-calibre pipeline with pricking head |
-
2018
- 2018-06-29 CN CN201821038369.1U patent/CN208381562U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113503421A (en) * | 2021-07-16 | 2021-10-15 | 宁克远 | Ultraviolet light solidification restores heavy-calibre pipeline with pricking head |
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