CN209977518U - Special hose joint for repairing trenchless pipeline - Google Patents
Special hose joint for repairing trenchless pipeline Download PDFInfo
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- CN209977518U CN209977518U CN201920771152.XU CN201920771152U CN209977518U CN 209977518 U CN209977518 U CN 209977518U CN 201920771152 U CN201920771152 U CN 201920771152U CN 209977518 U CN209977518 U CN 209977518U
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- hose
- conical surface
- pipeline
- locking
- flexible hose
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Abstract
The utility model discloses a dedicated novel hose nipple is restoreed to non-excavation pipeline, pay the body including the fixed external conical surface body that is used for cup jointing the pipeline and playing the hose locking internal conical surface that compresses tightly the reinforcement effect at the connecting tube in-process, still be used for the pressurized conical surface of connecting tube and be used for carrying on engineering operation including fixed external conical surface body one end simultaneously and wait to restore the pipeline, include the original pipeline that does not restore at last, the inlayer laminating of waiting to restore the pipeline is connected with flexible hose, and flexible hose's one end is provided with the turn-ups hose. Non-excavation pipeline repair dedicated novel hose nipple, the installation use is simple, easy operation does not need special mounting tool, as long as ordinary spanner can, on the one hand, has solved flexible hose slippage problem, on the other hand has solved and has leaded to flexible hose to produce the decline of quality problem after flexible hose terminal surface and external contact, brings better use prospect.
Description
Technical Field
The utility model discloses joint equipment field, in particular to non-excavation pipeline restores dedicated novel hose nipple.
Background
The hose joint is a high-quality flexible pipeline in modern industrial pipelines and mainly comprises a corrugated pipe, a net sleeve and a joint. The inner pipe is a spiral or annular thin-wall stainless steel corrugated pipe, the outer layer of the corrugated pipe is a net cover which is woven by stainless steel wires or steel bands according to certain parameters, and the joints or flanges at the two ends of the hose are matched with the joints or flanges of customer pipelines. The bellows of the hose is formed from a very thin-walled seamless or brazed stainless steel tube by high precision plastic working. The flexible pipe has good flexibility and fatigue resistance due to the elastic characteristic of the profile of the corrugated pipe, so that the flexible pipe can easily absorb the cyclic load of various motion deformation, and particularly has the capability of compensating large displacement in a pipeline system; the existing hose joint has certain defects when in use, and because the hose for trenchless repair of the current pipeline is connected with the original pipeline usually by adopting a similar mode joint with an expansion pipe and a jacking pipe or a hydraulic glue injection type joint, the operation of the joint needs a special tool clamp, and the specialty is higher, so that the implementation is difficult to grasp quickly, and the novel hose joint special for trenchless pipeline repair is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides non-excavation pipeline restores dedicated novel hose nipple, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the novel hose joint special for trenchless pipeline repair comprises a fixed external conical surface body for sleeving a pipeline, a hose locking internal conical surface pair body playing a role in compressing and reinforcing in the process of connecting the pipeline, a pressurized conical surface used for connecting the pipeline and a pipeline to be repaired for engineering operation at one end of the fixed external conical surface body, and finally an unrepaired original pipeline, wherein the inner layer of the pipeline to be repaired is connected with a flexible hose in an attaching manner, one end of the flexible hose is provided with a flanging hose, the flexible hose is inserted into the inner hole of the hose locking internal conical surface pair body, one end of the flexible hose close to the hose locking internal conical surface pair body is sleeved on the outer surface of the pressurized conical surface, the inside of the hose locking internal conical surface pair body is connected with a locking screw rod in a penetrating manner, and the position of the locking screw rod close to the hose locking internal conical surface pair body is connected with a second locking, install the clamping ring between second lock nut and the turn-ups hose, the other end of locking screw runs through fixed external conical surface body and is connected with first lock nut, the top that body was paid to fixed external conical surface body and hose locking internal conical surface has cup jointed a spacer ring, the top that body was paid to center department and hose locking internal conical surface with spacer ring hookup location department on the fixed external conical surface body all is connected with the sealing washer, the one end of original pipeline is connected with former pipeline flange piece, and just the one end flange joint of the pressurized conical surface is kept away from to former pipeline flange piece and fixed external conical surface body, fixed mounting has metal seal spare between former pipeline flange piece and the fixed external conical surface body.
Preferably, the hose locking inner conical surface auxiliary body is L-shaped, an included angle of 90 degrees is formed between the flanging hose and the flexible hose, and the flanging hose and the flexible hose are respectively attached to the outer surface and the inner wall of one side of the hose locking inner conical surface auxiliary body.
Preferably, the fixed outer conical surface body is in a round table shape, two sets of flange pieces are arranged on the outer surface of the fixed outer conical surface body and located at one end far away from the compression conical surface, a gap is formed between the two sets of flange pieces, and the width of the gap is larger than that of the first locking nut.
Compared with the prior art, the utility model discloses following beneficial effect has: this dedicated novel hose nipple is restoreed to non-excavation pipeline, when using, this joint installation use is simple, easy operation, does not need special mounting tool, as long as ordinary spanner can, on the one hand, has solved flexible hose slippage problem, and on the other hand has solved and has leaded to flexible hose to produce the quality degradation problem after flexible hose terminal surface and external contact, whole simple structure, convenient operation, the effect of use is better for traditional mode.
Drawings
Fig. 1 is a schematic view of a part of the structure of the novel hose joint special for trenchless pipeline repair of the present invention;
fig. 2 is a schematic view of the overall structure of the novel hose joint for repairing trenchless pipelines of the present invention;
in the figure: 1. a fixed outer conical surface body; 2. a seal ring; 3. an isolating ring; 4. the hose locks the inner conical surface auxiliary body; 5. a flexible hose; 6. a first lock nut; 7. locking the screw rod; 8. a second lock nut; 9. pressing a ring; 10. a hose is flanged; 11. a compression conical surface; 12. a metal seal; 13. original pipeline; 14. connecting the original pipeline with a flange sheet; 15. the pipeline is to be repaired.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-2, the novel hose joint dedicated for trenchless pipe repair comprises a fixed external conical surface body 1 for sleeving a pipe, a hose locking internal conical surface pair 4 for compressing and reinforcing the pipe in the process of connecting the pipe, a pressure conical surface 11 at one end of the fixed external conical surface body 1 for connecting the pipe, a pipe 15 to be repaired for performing engineering operation, and finally an unrepaired original pipe 13, wherein the inner layer of the pipe 15 to be repaired is connected with a flexible hose 5 in an attaching manner, one end of the flexible hose 5 is provided with a flanging hose 10, the flexible hose 5 is inserted into the inner hole of the hose locking internal conical surface pair 4, one end of the flexible hose 5 close to the hose locking internal conical surface pair 4 is sleeved on the outer surface of the pressure conical surface 11, the inside of the hose locking internal conical surface pair 4 is connected with a locking screw 7 in a penetrating manner, and the position of the locking screw 7 close to the hose locking internal conical surface pair 4 is connected with a second locking nut 8 through a thread, a press ring 9 is arranged between a second lock nut 8 and a flanging hose 10, the other end of a lock screw 7 penetrates through a fixed external conical surface body 1 to be connected with a first lock nut 6, a separation ring 3 is sleeved on the top ends of the fixed external conical surface body 1 and a hose locking internal conical surface pair body 4, a sealing ring 2 is connected to the center of the connecting position of the fixed external conical surface body 1 and the separation ring 3 and the top end of the hose locking internal conical surface pair body 4, one end of an original pipeline 13 is connected with an original pipeline connecting flange piece 14, one end of the original pipeline connecting flange piece 14, far away from a pressure bearing conical surface 11, of the original pipeline connecting flange piece 14 and the fixed external conical surface body 1 is connected with a flange, and a metal sealing element 12 is fixedly arranged between the original pipeline connecting flange piece 14.
The hose locking inner conical surface auxiliary body 4 is L-shaped, an included angle of 90 degrees is formed between the flanging hose 10 and the flexible hose 5, and the flanging hose 10 and the flexible hose 5 are respectively attached to the outer surface and the inner wall of one side of the hose locking inner conical surface auxiliary body 4.
The shape of the fixed outer conical surface body 1 is a round table shape, the outer surface of the fixed outer conical surface body 1 is provided with two sets of flange pieces, one set of flange pieces is positioned at one end far away from the compression conical surface 11, a gap is formed between the two sets of flange pieces, and the width of the gap is larger than that of the first locking nut.
It is to be noted that the utility model is a special novel hose joint for trenchless pipeline repair, when the novel hose joint is used, the joint consists of a fixed outer conical surface body 1 and a hose locking inner conical surface auxiliary body 4, the flexible soft pipe 5 for repairing the pipeline is firstly placed in an inner hole of the hose locking inner conical surface auxiliary body 4, then the flexible hose 5 and the hose locking inner conical surface auxiliary body 4 are sleeved on the fixed outer conical surface body 1, meanwhile, the flanging hose 10 and the flexible hose 5 are respectively attached to the outer surface and the inner wall of one side of the hose locking inner conical surface auxiliary body 4 and are fixedly connected together by a locking screw 7, a first locking nut 6 and a second locking nut 8, the torque is increased by screwing the nut, the flexible hose 5 is tightly pressed on the fixed outer conical surface body 1 by the hose locking inner conical surface pair body 4, and therefore the connection of the flexible hose 5 and the fixed outer conical surface body 1 is achieved.
Because the flexible hose 5 is subjected to plastic deformation after being used for a long time, the plastic deformation is easy to cause the slipping phenomenon, and therefore, after the flexible hose is turned into a 90-degree edge, the turned-over hose 10 is pressed by the pressing ring 9 under the action of the second locking nut 8, and the problem of hose slipping is solved.
After the installation, the isolating ring 3 is sleeved on the fixed outer conical surface body 1 and the hose locking inner conical surface auxiliary body 4, under the action of the sealing ring 2, the end face of the isolating hose is in contact with the outside, and external liquid is prevented from permeating into the flexible hose 5 through the braiding layer in the middle of the flexible hose 5, so that the peeling strength of the inner wall and the outer wall of the flexible hose 5 is influenced.
The pipeline repair is connected with the pipeline connecting flange piece 14 and the novel joint through the locking screw 7 and the nut, and the sealing between the two joints is realized by the metal sealing element 12 in the middle, so that the pipeline repair is practical.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. Dedicated novel hose nipple is restoreed to non-excavation pipeline, including fixed outer conical surface body (1) that is used for cup jointing the pipeline and play the hose locking inner cone face that compresses tightly the reinforcement effect at the connecting tube in-process and pay body (4), still be used for pressurized conical surface (11) of connecting tube and be used for carrying on engineering operation including fixed outer conical surface body (1) one end simultaneously and wait to restore pipeline (15), include not prosthetic original pipeline (13) at last, its characterized in that: the inner layer of the pipeline (15) to be repaired is connected with a flexible hose (5) in a laminating manner, one end of the flexible hose (5) is provided with a flanging hose (10), the flexible hose (5) is spliced inside the inner hole of the hose locking inner conical surface pair body (4), one end, close to the hose locking inner conical surface pair body (4), of the flexible hose (5) is sleeved on the outer surface of the compression conical surface (11), the inside of the hose locking inner conical surface pair body (4) is connected with a locking screw (7) in a penetrating manner, the position, close to the hose locking inner conical surface pair body (4), of the locking screw (7) is connected with a second locking nut (8) through threads, a pressing ring (9) is installed between the second locking nut (8) and the flanging hose (10), and the other end of the locking screw (7) is connected with a first locking nut (6) through the fixed outer conical surface body (, the fixed outer conical surface body (1) and the top of the hose locking inner conical surface pair body (4) are sleeved with a spacer ring (3), the center of the connecting position of the spacer ring (3) on the fixed outer conical surface body (1) and the top of the hose locking inner conical surface pair body (4) are both connected with a sealing ring (2), one end of an original pipeline (13) is connected with an original pipeline connecting flange piece (14), one end of the original pipeline connecting flange piece (14) and the fixed outer conical surface body (1) is connected with a flange, the pressure bearing conical surface (11) is far away from the flange, and a metal sealing element (12) is fixedly installed between the original pipeline connecting flange piece (14) and the fixed outer conical surface body (1).
2. The novel hose connector special for trenchless pipeline rehabilitation according to claim 1, wherein: the hose locking inner conical surface pair body (4) is L-shaped, an included angle of 90 degrees is formed between the flanging hose (10) and the flexible hose (5), and the flanging hose (10) and the flexible hose (5) are respectively attached to the outer surface and the inner wall of one side of the hose locking inner conical surface pair body (4).
3. The novel hose connector special for trenchless pipeline rehabilitation according to claim 1, wherein: the shape of fixed outer conical surface body (1) is a round platform form, and the surface of fixed outer conical surface body (1) is provided with two sets of flange pieces, and a set of flange piece is located the one end of keeping away from pressurized conical surface (11), is provided with the clearance between two sets of flange pieces, and the width in clearance is greater than the width of first lock nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920771152.XU CN209977518U (en) | 2019-05-27 | 2019-05-27 | Special hose joint for repairing trenchless pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920771152.XU CN209977518U (en) | 2019-05-27 | 2019-05-27 | Special hose joint for repairing trenchless pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209977518U true CN209977518U (en) | 2020-01-21 |
Family
ID=69264147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920771152.XU Active CN209977518U (en) | 2019-05-27 | 2019-05-27 | Special hose joint for repairing trenchless pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209977518U (en) |
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2019
- 2019-05-27 CN CN201920771152.XU patent/CN209977518U/en active Active
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