CN215635724U

CN215635724U - Hose nipple for trenchless repair of pipeline

Info

Publication number: CN215635724U
Application number: CN202122055303.1U
Authority: CN
Inventors: 莫涛
Original assignee: Anhui Haoyu Construction Engineering Co ltd
Current assignee: Anhui Haoyu Construction Engineering Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-01-25
Anticipated expiration: 2031-08-27

Abstract

The application discloses hose joint for non-excavation restoration of pipeline belongs to pipeline non-excavation technical field, it includes trunk line and restoration pipeline, fixed mounting has inside lining hose on restoration pipeline's the inside wall, install connecting tube and sealed tube between trunk line and the restoration pipeline, inside lining hose is located the outside partial fixed mounting of restoration pipeline between connecting tube and sealed tube, equal fixed mounting has fastening flange on the tip of restoration pipeline and connecting tube laminating mutually, equal fixed mounting has fastening flange on the tip of trunk line and sealed tube laminating mutually, install fastening component on two fastening flange of laminating mutually, two fastening flanges pass through the inseparable butt of fastening component. This application has the effect that makes the connection between the adjacent pipeline more firm.

Description

Hose nipple for trenchless repair of pipeline

Technical Field

The application relates to the field of pipeline trenchless technology, in particular to a hose connector for pipeline trenchless repair.

Background

Along with the continuous improvement of urban construction, a series of advantages of non-excavation pipe laying, pipe repairing and pipe replacing technologies, such as no influence on traffic, high pipe laying speed, high efficiency, no environmental damage, no influence on normal work and life of people, and the like, are more and more favored by the management department of the underground pipeline industry.

Chinese patent with publication number CN209511369U discloses a hose connector for trenchless rehabilitation of pipelines, including the trunk line, the one end fixedly connected with flange piece of trunk line, the inner wall threaded connection of flange piece has first locking screw, the outer wall threaded connection of first locking screw has fixed external conical surface body, the outer wall threaded connection of first locking screw has first lock nut, the inner wall threaded connection of fixed external conical surface body has second locking screw, the outer wall threaded connection of second locking screw has hose locking internal conical surface to pay the body, the outer wall of fixed external conical surface body and the inner wall of hose locking internal conical surface to pay the body are pegged graft and are had flexible hose. This hose nipple for non-excavation restoration of pipeline is through setting up first locking screw, first lock nut, second locking screw, second lock nut to reach the hose nipple for convenient and fast's installation non-excavation restoration more, improved work efficiency's effect. However, in this structure, the pipes are connected only by using the locking screw and the locking nut, so that the connection between the adjacent pipes is not stable enough.

In view of the above-mentioned related art, the inventors have considered that there is a problem in a hose joint for trenchless rehabilitation of pipes in that the connection between adjacent pipes is not sufficiently stable.

SUMMERY OF THE UTILITY MODEL

The problem that the connection between adjacent pipelines in the hose joint for trenchless rehabilitation of the pipelines is not stable enough is solved. The application provides a hose nipple for trenchless rehabilitation of pipelines.

The application provides a hose nipple for trenchless repair of pipelines adopts following technical scheme:

the utility model provides a hose connection that non-excavation of pipeline was restoreed and is used, includes trunk line and restoration pipeline, fixed mounting has inside lining hose on restoration pipeline's the inside wall, the trunk line with install connecting tube and stand pipe between the restoration pipeline, inside lining hose is located the outside partial fixed mounting of restoration pipeline is in connecting tube with between the stand pipe, restoration pipeline with equal fixed mounting has fastening flange on the tip that connecting tube laminated mutually, the trunk line with equal fixed mounting has fastening flange on the tip that the stand pipe laminated mutually, two of laminating mutually install fastening component, two fastening flange passes through fastening component closely butt.

Through adopting above-mentioned technical scheme, equal fixed mounting has fastening flange on the tip of repairing pipeline and connecting tube laminating mutually, and equal fixed mounting has fastening flange on the tip of trunk line and sealed tube laminating mutually installs fastening component on two fastening flanges of laminating mutually, and two fastening flanges of laminating mutually pass through fastening component closely butt together to make the connection between the pipeline more firm.

Preferably, the fastening assembly includes a fastening bolt and two fastening washers, the fastening bolt passes through two of the fastening flanges simultaneously, a fastening nut is arranged on the fastening bolt in a penetrating manner, the fastening washer is arranged on the fastening bolt in a penetrating manner and is located between the fastening flange and the fastening bolt, the fastening washer has elasticity, and the outer side edges of the fastening washers are bent towards the direction close to the other fastening washer.

Through adopting above-mentioned technical scheme, fastening bolt passes two fastening flanges of laminating mutually simultaneously, and install two elastic fastening packing rings between fastening nut and the fastening flange, fastening packing ring's outside limit orientation is close to another fastening packing ring's direction bending, thereby make two fastening packing ring's inboard limit have the trend of keeping away from another fastening packing ring direction motion towards, thereby make the bolt bear axial power, make the internal thread of bolt and the inseparable butt of external screw thread of screw rod, difficult emergence is rotated, thereby make two fastening flange inseparable butts together.

Preferably, the fastening gasket includes the tighrening ring, integrated into one piece has a plurality of fastening shell fragment on the outside limit of tighrening ring, the fastening shell fragment along the equidistant setting of lateral wall circumference of tighrening ring, fixed mounting has two location rods on the fastening flange, the diameter of location rod equals adjacent two the interval of fastening shell fragment.

Through adopting above-mentioned technical scheme, integrated into one piece has the fastening shell fragment that a plurality of equidistant setting was gone up on the outside limit of tighrening ring, and the diameter of location rod equals the interval between two adjacent fastening shell fragments, when fastening washer and fastening flange laminated mutually, the location rod can insert in the clearance of two fastening shell fragments, the installation of being convenient for, thereby make the fastening washer can not rotate, be convenient for simultaneously with the rigidity of fastening washer, guarantee the central axis collineation of the central axis of fastening washer and screw rod, make the butt between fastening washer and the bolt inseparabler.

Preferably, an annular connecting groove is formed in the inner side wall of the connecting pipeline, the inner diameter of the sealing pipe is equal to that of the main pipeline, and the lining hose is located between the outer side wall of the sealing pipe and the connecting groove.

Through adopting above-mentioned technical scheme, the internal diameter of stand pipe equals the internal diameter of trunk line, makes the internal diameter size of the pipeline after restoreing and the installation accomplish remain almost unchangeable to guarantee the water-passing performance stability of pipeline, stand pipe and spread groove with the inseparable butt of inside lining hose between them, make the inside lining hose be difficult for breaking away from the stand pipe.

Preferably, integrated into one piece has the sealing ring on the lateral wall of sealing tube, annular seal groove has been seted up on the inside wall of spread groove, the seal groove with the connecting tube keeps away from the terminal surface intercommunication of restoreing the pipeline, the terminal surface of inside lining hose can turn over and imbed in the seal groove, the sealing ring with the cooperation of pegging graft of seal groove.

Through adopting above-mentioned technical scheme, integrated into one piece has the sealing ring on the lateral wall of sealed tube, has seted up the seal groove on the inside wall of connecting tube, and in the terminal surface of inside lining hose can turn over a and imbed the seal groove, the inseparable butt of terminal surface and seal groove that rethread sealing ring made inside lining hose to the terminal surface of protection inside lining hose is not destroyed, makes inside lining hose difficult and connecting tube and sealed tube break away from simultaneously.

Preferably, the side surface of the sealing groove close to the repair pipeline is an inclined surface, and an included angle between the inclined surface and the bottom surface of the sealing groove is an acute angle.

Through adopting above-mentioned technical scheme, the side that seal groove and connecting pipe inside wall link to each other is the inclined plane, and the contained angle between the bottom surface of this inclined plane and seal groove is the acute angle to make the terminal surface of inside lining hose be difficult for breaking away from the seal groove.

Preferably, the sealed tube is close to repair the one end of pipeline and has seted up the carry chute, the spread groove is close to repair the side of pipeline is the inclined plane, the carry chute with the inclined plane of spread groove can laminate.

Through adopting above-mentioned technical scheme, the carry chute has been seted up to the sealed tube near the one end of restoreing the pipeline, and the side that the spread groove is close to the restoration pipeline is the inclined plane, and the carry chute can laminate with the inclined plane of spread groove to make the sealed tube change the inside that gets into the lining hose.

Preferably, the lateral wall of sealed tube is close to the one end integrated into one piece of trunk line has the go-between, the go-between is kept away from fixed mounting has the holding ring on the side of one side of trunk line, the connecting tube is close to seted up the constant head tank on the one end terminal surface of trunk line, the holding ring inlays to be established in the constant head tank.

Through adopting above-mentioned technical scheme, the holding ring inlays to be established in the constant head tank to make the sealed tube link together with connecting tube, and keep firm, the grafting cooperation of holding ring and constant head tank makes the butt of inside lining hose and sealed tube and connecting tube inseparabler simultaneously, thereby is difficult for breaking away from connecting tube.

Preferably, a sealing gasket is arranged between the positioning ring and the positioning groove.

Through adopting above-mentioned technical scheme, install seal ring between holding ring and the constant head tank, seal ring makes connecting tube and the inseparable butt of sealed tube to make the end of hose not contact with the external world, reduce the destroyed probability of end of hose.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two fastening flanges which are attached to each other are tightly abutted together through the fastening assembly, so that the connection between the pipelines is more stable;

2. the inner diameter of the sealing pipe is equal to that of the main pipeline, so that the inner diameter of the repaired and installed pipeline is almost kept unchanged, and the stability of water performance of the pipeline is guaranteed.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a cross-sectional view of an embodiment of the present application.

Fig. 3 is a cross-sectional view of the connecting pipe and the sealing tube.

Fig. 4 is an enlarged schematic view of a in fig. 1.

Description of reference numerals: 1. repairing the pipeline; 11. a lining hose; 2. connecting a pipeline; 21. a sealing groove; 22. positioning a groove; 23. connecting grooves; 3. a sealing tube; 31. a seal ring; 32. a carry chute; 33. a connecting ring; 34. a positioning ring; 35. a sealing gasket; 4. a main pipeline; 5. a fastening assembly; 51. fastening a flange; 52. fastening a bolt; 53. fastening a nut; 54. a fastening washer; 541. a fastening ring; 542. fastening the elastic sheet; 55. and a positioning stick.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses hose nipple for trenchless repair of pipelines. Referring to fig. 1 and 2, the hose joint for trenchless pipeline repair comprises a repair pipeline 1 and a main pipeline 4, a lining hose 11 is fixedly mounted on the inner side wall of the repair pipeline 1, the central axis of the lining hose 11 is collinear with the central axis of the repair pipeline 1, and a connecting pipeline 2 is mounted between the repair pipeline 1 and the main pipeline 4.

Referring to fig. 2 and 3, one end of the connecting pipe 2 is fitted to the end of the rehabilitating pipe 1, and the outer diameter of the connecting pipe 2 is equal to the outer diameter of the rehabilitating pipe 1. Annular connecting groove 23 is seted up on the inside wall of connecting tube 2, and connecting groove 23 and connecting tube 2 keep away from the terminal surface intercommunication of restoreing pipeline 1, and the inside lining hose 11 lies in the outside part of restoreing pipeline 1 and inlays and establish in connecting groove 23. Liner hose 11's internally mounted has sealed tube 3, sealed tube 3's internal diameter equals the internal diameter of repairing pipeline 1, sealed tube 3's lateral wall is close to the one end of repairing pipeline 1 and has been seted up carry chute 32, the side that carry chute 32 and sealed tube 3 lateral wall link to each other is the inclined plane, the side that spread groove 23 is close to repairing pipeline 1 is the inclined plane, the inseparable butt of liner hose 11 between the two on carry chute 32 and the spread groove 23 inclined plane.

Referring to fig. 2 and 3, an annular sealing groove 21 is formed in an inner side wall of the connecting groove 23, and the sealing groove 21 is communicated with an end surface of the connecting pipe 2, which is far away from the repair pipe 1. The inner side wall of the sealing groove 21 close to the repair pipeline 1 is an inclined surface, and an included angle between the inclined surface and the bottom surface of the sealing groove 21 is an acute angle. After the connecting pipe 2 and the repair pipe 1 are fixedly connected, the end of the lining hose 11 can be folded and inserted into the sealing groove 21. One end integrated into one piece that the repair tube 1 was kept away from to the lateral wall of sealed tube 3 has sealing ring 31, and the side that sealing ring 31 is close to lining hose 11 is the inclined plane, with the tip embedding seal groove 21 of lining hose 11 in, insert sealed tube 3 again in lining hose 11, make sealing ring 31 and seal groove 21 grafting cooperation to closely the butt of lining hose 11 in seal groove 21.

Referring to fig. 2 and 3, the one end integrated into one piece that the lateral wall of sealing ring 31 is close to main pipe 4 has a go-between 33, and integrated into one piece has a holding ring 34 on the side of one side that go-between 33 is close to connecting tube 2, and connecting tube 2 has seted up constant head tank 22 on being close to the terminal surface of main pipe 4 one end, and holding ring 34 inlays to be established in constant head tank 22, and installs seal ring 35 between the medial surface that the notch was kept away from to positioning hole and constant head tank 22.

Referring to fig. 1 and 4, fastening flanges 51 are fixedly mounted on the connecting pipeline 2 and the repairing pipeline 1, and the connecting pipeline 2 and the repairing pipeline 1 are connected through the fastening flanges 51. The internal diameter of stand pipe 3 equals the internal diameter of trunk line 4, all installs fastening flange 51 on the tip that stand pipe 3 and trunk line 4 laminated mutually, and stand pipe 3 and trunk line 4 pass through fastening flange 51 and closely butt. The fastening components 5 are mounted on the two fastening flanges 51 of the main pipe 4 and the sealing pipe 3 and the two fastening flanges 51 of the repairing pipe 1 and the connecting pipe 2.

Referring to fig. 1 and 4, the fastening assembly 5 includes fastening bolts 52, and when the central axes of the threaded holes on the two fastening flanges 51 are collinear, the fastening bolts 52 are simultaneously inserted into the two threaded holes with collinear central axes, and fastening nuts 53 are sleeved on the fastening bolts 52. Two fastening washers 54 are installed between the fastening bolts 52 and the adjacent fastening flanges 51, the fastening washers 54 include fastening rings 541, and the fastening rings 541 are sleeved on the fastening bolts 52. A plurality of fastening shrapnel 542 is integrally formed on the outer side edge of the fastening ring 541, the fastening shrapnel 542 is circumferentially arranged at equal intervals along the outer side edge of the fastening ring 541, and the length of the side edge of the fastening shrapnel 542 far away from the fastening ring 541 is greater than the length of the side edge of the fastening shrapnel 542 near the fastening ring 541. The fastening elastic pieces 542 on the two fastening rings 541 are in one-to-one correspondence, the two corresponding fastening elastic pieces 542 are fixedly connected with the side edge far away from the fastening rings 541, and the side edge far away from the fastening rings 541 of the fastening elastic pieces 542 is bent towards the direction close to the corresponding fastening elastic pieces 542. Two positioning rods 55 are fixedly mounted on the side surface of the fastening flange 51 close to the fastening washer 54, the diameter of each positioning rod 55 is not larger than the distance between two adjacent fastening elastic sheets 542, and when the fastening washer 54 is attached to the fastening flange 51, the positioning rods 55 are just embedded into the gaps between the two adjacent fastening elastic sheets 542.

The implementation principle of the hose connector for trenchless repairing of the pipeline in the embodiment of the application is as follows: connecting the connecting pipeline 2 with the repair pipeline 1 through the fastening flange 51 and the fastening assembly 5, turning over the end part of the lining hose 11 and embedding the end part into the sealing groove 21 on the inner side wall of the connecting pipeline 2, inserting the sealing pipe 3 into the lining hose 11, placing the sealing washer 35 into the positioning groove 22, embedding the positioning ring 34 into the positioning groove 22, and tightly abutting the sealing pipe 3 and the main pipeline 4 together by using the fastening flange 51 and the fastening assembly 5.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a hose nipple of non-excavation restoration usefulness of pipeline, includes trunk line (4) and repair pipeline (1), fixed mounting has lining hose (11) on the inside wall of repair pipeline (1), trunk line (4) with install connecting tube (2) and sealed tube (3), its characterized in that between repair pipeline (1): inside lining hose (11) are located the outside partial fixed mounting of repair pipeline (1) connecting tube (2) with between sealing tube (3), repair pipeline (1) with equal fixed mounting has fastening flange (51) on the tip that connecting tube (2) laminated mutually, trunk line (4) with equal fixed mounting has fastening flange (51), two of laminating mutually on the tip that sealing tube (3) laminated mutually install fastening components (5) on fastening flange (51).

2. A hose coupling for trenchless rehabilitation of a pipeline as claimed in claim 1, wherein: the fastening assembly (5) comprises a fastening bolt (52) and two fastening washers (54), the fastening bolt (52) penetrates through the two fastening flanges (51), a fastening nut (53) penetrates through the fastening bolt (52), the fastening washer (54) penetrates through the fastening bolt (52) and is located between the fastening flange (51) and the fastening bolt (52), the fastening washer (54) has elasticity, and the outer side edges of the fastening washers (54) are bent towards the direction close to the other fastening washer (54).

3. A hose coupling for trenchless rehabilitation of pipelines according to claim 2, wherein: the fastening gasket (54) comprises a fastening ring (541), a plurality of fastening elastic sheets (542) are integrally formed on the outer side edge of the fastening ring (541), the fastening elastic sheets (542) are circumferentially arranged at equal intervals along the outer side wall of the fastening ring (541), two positioning sticks (55) are fixedly mounted on the fastening flange (51), and the diameters of the positioning sticks (55) are equal to the intervals of the two adjacent fastening elastic sheets (542).

4. A hose coupling for trenchless rehabilitation of a pipeline as claimed in claim 1, wherein: seted up annular spread groove (23) on the inside wall of connecting tube (2), the internal diameter of sealed tube (3) equals the internal diameter of trunk line (4), lining hose (11) are located the lateral wall of sealed tube (3) with between spread groove (23).

5. The hose coupling for trenchless rehabilitation of a pipeline of claim 4, wherein: integrated into one piece has sealing ring (31) on the lateral wall of sealing tube (3), annular seal groove (21) have been seted up on the inside wall of spread groove (23), seal groove (21) with the terminal surface intercommunication of restoreing pipeline (1) is kept away from in connecting tube (2), the terminal surface of inside lining hose (11) can be turned over and is rolled over and imbed in seal groove (21), sealing ring (31) with the cooperation of pegging graft of seal groove (21).

6. The hose coupling for trenchless rehabilitation of a pipeline of claim 5, wherein: the side face, close to the repair pipeline (1), of the sealing groove (21) is an inclined face, and an included angle between the inclined face and the bottom face of the sealing groove (21) is an acute angle.

7. The hose coupling for trenchless rehabilitation of a pipeline of claim 6, wherein: sealing tube (3) are close to carry chute (32) have been seted up to the one end of repairing pipeline (1), spread groove (23) are close to the side of repairing pipeline (1) is the inclined plane, carry chute (32) with the inclined plane of spread groove (23) can laminate.

8. A hose coupling for trenchless rehabilitation of a pipeline as claimed in claim 1, wherein: the lateral wall of sealed tube (3) is close to the one end integrated into one piece of trunk line (4) has go-between (33), go-between (33) are kept away from fixed mounting has holding ring (34) on the side of one side of trunk line (4), connecting tube (2) are close to constant head tank (22) have been seted up on the one end terminal surface of trunk line (4), holding ring (34) inlay and establish in constant head tank (22).

9. The hose coupling for trenchless rehabilitation of a pipeline of claim 8, wherein: and a sealing gasket (35) is arranged between the positioning ring (34) and the positioning groove (22).