CN217843144U

CN217843144U - Pipeline damaged opening sealing device

Info

Publication number: CN217843144U
Application number: CN202221204593.XU
Authority: CN
Inventors: 廖鹏; 康子豫; 韩可林; 徐国强; 陈立权; 魏爽; 廖隆荣; 李明强
Original assignee: Sinohydro Bureau 8 Co Ltd
Current assignee: Sinohydro Bureau 8 Co Ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-11-18
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a damaged mouthful watertight fittings of pipeline, including inserted bar, outer sprue and axial receive the pressurized grow piece of the radial grow in extrusion back, the fixed pole head that is equipped with of one end of inserted bar, the slip cap is equipped with the extrusion cover on the inserted bar, pressurized grow piece cover is located the pole overhead, and is located between extrusion cover and the pole head, is equipped with on the inserted bar to be used for supporting the push mechanism that pushes away of extrusion cover, and outer sprue slip cap is located on the extrusion cover, is equipped with on the extrusion cover to be used for making the gliding tight pushing mechanism that presss from both sides of outer sprue relative extrusion cover. The pipeline damaged opening water stopping device is convenient and quick to use, good in water stopping effect, high in construction efficiency and low in cost.

Description

Pipeline damaged opening sealing device

Technical Field

The utility model relates to a municipal works technical field especially relates to a damaged mouthful watertight fittings of pipeline.

Background

In municipal pipe network reconstruction projects, underground pipe networks are inevitably damaged, and a water stopping method is generally selected according to the size of the damaged caliber. For a pipeline with a larger damaged caliber and a through crack formed in the pipeline, a source water source is cut off by the traditional water stopping method, the damaged pipeline is cut off after a water head in the pipeline descends to a safe position, and a new pipeline is replaced; when the damaged caliber is smaller, the source is cut off, the water pressure is reduced, and finally the damaged part is blocked by the pipe hoop. The traditional water stopping method needs to cut off water from the source, wait for the water head in the pipeline to drop and block the damaged position of the pipeline. However, the method can not treat the damaged pipeline in time, and particularly when the pipeline is treated in a large amount daily and the water supply amount is large, the time for the water head in the pipeline to descend to the place where people can be located is long, and the time for replacing the damaged pipeline is long.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a damaged mouthful watertight fittings of pipeline that convenient to use is swift, the stagnant water is effectual, the efficiency of construction is high and with low costs.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a damaged mouthful watertight fittings of pipeline, receives the pressurized grow spare of the radial grow in extrusion back including inserted bar, outer sprue and axial, the fixed pole head that is equipped with of one end of inserted bar, sliding sleeve is equipped with the extrusion cover on the inserted bar, pressurized grow spare cover is located the pole overhead and is located between extrusion cover and the pole head, be equipped with on the inserted bar and be used for supporting the push mechanism that pushes away of extrusion cover, outer sprue sliding sleeve is located the extrusion cover and is sheathe in, be equipped with on the extrusion cover and be used for making the gliding tight pushing mechanism that presss from both sides of the relative extrusion cover of outer sprue.

As a further improvement of the above technical solution:

and an extrusion ring is arranged on the outer wall of one end of the extrusion sleeve facing the compression large part.

The pressed large part is a rubber sleeve.

The pushing mechanism comprises a pushing nut, the pushing nut is sleeved on the inserted rod and is in threaded connection with the inserted rod, and the pushing nut is located at one end, far away from the pressed large part, of the extrusion sleeve.

The pushing mechanism further comprises a pushing gasket, and the pushing gasket is sleeved on the inserted rod and is positioned between the pushing nut and the extrusion sleeve.

The clamping and pushing mechanism comprises a clamping nut, the clamping nut is sleeved on the extrusion sleeve and is in threaded connection with the extrusion sleeve, and the clamping nut is located at one end, away from the compression large part, of the outer plugging block.

The clamping pushing mechanism further comprises a clamping washer, and the clamping washer is sleeved on the extrusion sleeve and located between the clamping nut and the outer plugging block.

The extrusion sleeve is sleeved with a water-swellable ring which is located between the outer plugging block and the extrusion ring.

The extrusion cover overcoat is equipped with waterproof sleeve, waterproof telescopic inner wall and extrusion ring's periphery wall adaptation.

Waterproof sleeve includes first arc body and second arc body, first arc body and second arc body axial joint.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses a damaged mouthful watertight fittings of pipeline, use: the end of the rod head faces forwards, the water stop device for the damaged opening of the pipeline is inserted into the pipeline from the damaged opening of the pipeline, at the moment, the pressed large part is positioned in the pipeline, and the outer plugging block, the abutting and pushing mechanism and the clamping and pushing mechanism are all positioned outside the pipeline; then, the extrusion sleeve slides along the inserted bar through the pushing mechanism so as to enable the extrusion sleeve and the bar head to move oppositely, the pressed large part is clamped, and the pressed large part is radially enlarged under the action of the clamping force of the extrusion sleeve and the bar head until the size of the pressed large part is larger than the damaged opening of the pipeline; then, the outer plugging block slides relative to the extrusion sleeve through the clamping and pushing mechanism until the enlarged pressed enlarged part and the outer plugging block are respectively tightly propped against the inner wall and the outer wall of the pipeline, so that the water leakage port is plugged, and the effect of dual-action plugging of the inner part and the outer part is achieved. This damaged mouthful watertight fittings of pipeline need not to cut off the water source when using to convenient to use is swift, the stagnant water is effectual, the efficiency of construction is high and with low costs.

The utility model discloses a pipeline damaged opening sealing device is equipped with the extrusion ring on the one end outer wall of extrusion cover orientation pressurized grow piece. The contact surface with the pressed large part is increased, and the extrusion effect is improved. The pressed large part is a rubber sleeve.

The utility model discloses a damaged mouthful watertight fittings of pipeline, back in inserting the pipeline, support to push away the outside that the nut is located the pipeline, support through screwing and push away the nut and can make extrusion cover and pole head motion in opposite directions, press the grow piece tightly, simple structure, convenient operation.

The utility model discloses a damaged mouthful watertight fittings of pipeline, back in inserting the pipeline, clamp nut is located the outside of pipeline, can make outer sprue slide along the extrusion cover through screwing clamp nut to the pressurized grow spare that makes outer sprue and pressurized grow presss from both sides tightly on the lateral wall of pipeline, simple structure, convenient operation.

The utility model discloses a pipeline damaged mouth sealing device, before installing, at first screw up the clamp nut and make waterproof sleeve compress tightly between outer sprue and rod head, the both ends of waterproof sleeve support tightly with outer sprue and rod head respectively, prevent that waterproof sleeve from intaking; the water stopping device for the damaged opening of the pipeline is inserted into the damaged opening of the pipeline, and after the pressed large-size piece extends into the pipeline, the clamping nut is unscrewed or detached to take out the waterproof sleeve, so that the water expansion ring is prevented from being enlarged when encountering water in the process of inserting the damaged opening of the pipeline, and the water expansion ring is prevented from being enlarged when encountering water before being installed in place and being clamped on the damaged opening of the pipeline to cause the incapability of continuing installation; then, the outer blocking block slides relative to the extrusion sleeve through the clamping nut until the enlarged pressed large part and the outer blocking block are respectively tightly propped against the inner wall and the outer wall of the pipeline.

The utility model discloses a pipeline damage mouth watertight fittings, the first arc body and the axial joint of second arc body form waterproof sleeve, and the junction of the first arc body and the second arc body forms the joint through axial card strip and draw-in groove for the first arc body and the second arc body can be pulled out in the axial, thereby make waterproof sleeve can not need dump the clamp nut when dumping, and the construction is simpler, and efficiency is higher.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the water stop device for the damaged opening of the pipeline of the present invention.

Fig. 2 is a using state diagram of the pipe damage opening water stopping device of the utility model.

Fig. 3 is a schematic perspective view of the waterproof sleeve of the water stopping device for the damaged opening of the pipeline according to the present invention.

Fig. 4 is a schematic view of the main structure of the waterproof sleeve of the water stop device for the damaged opening of the pipeline.

The reference numerals in the figures denote:

1. inserting a rod; 11. a club head; 2. an outer block; 3. a pressurized large member; 4. extruding a sleeve; 41. a squeezing ring; 5. a pushing mechanism; 51. pushing the nut; 52. pushing the gasket; 6. a clamping and pushing mechanism; 61. clamping the nut; 62. a clamping washer; 7. a water-swellable ring; 8. a waterproof sleeve; 81. a first arcuate body; 82. a second arc-shaped body.

Detailed Description

The invention will be described in further detail with reference to the drawings and specific examples.

Fig. 1 to fig. 4 show the utility model discloses damaged mouthful watertight fittings of pipeline's an embodiment, damaged mouthful watertight fittings of this embodiment pipeline includes inserted bar 1, outer plug 2 and axial receive the radial grow of grow behind the extrusion pressurized grow piece 3, the fixed pole head 11 that is equipped with of one end of inserted bar 1, sliding sleeve is equipped with extrusion cover 4 on the inserted bar 1, pressurized grow piece 3 cover is located on pole head 11, and be located between extrusion cover 4 and the pole head 11, be equipped with on the inserted bar 1 and be used for supporting pushing away extrusion cover 4 to push away mechanism 5, outer plug 2 sliding sleeve is located on extrusion cover 4, be equipped with on the extrusion cover 4 and be used for making the gliding tight pushing mechanism 6 of clamp of outer plug 2 relative extrusion cover 4.

The use process comprises the following steps: as shown in fig. 2, the end of the rod head 11 is forward, the water stop device for the damaged opening of the pipeline is inserted into the pipeline from the damaged opening of the pipeline, at this time, the pressure increasing piece 3 is positioned in the pipeline, and the outer blocking block 2, the abutting mechanism 5 and the clamping and pushing mechanism 6 are all positioned outside the pipeline; then, the pressing sleeve 4 slides along the inserted link 1 through the pushing mechanism 5 so that the pressing sleeve 4 and the rod head 11 move oppositely to clamp the pressed large part 3, and the pressed large part 3 is radially enlarged under the clamping force of the pressing sleeve 4 and the rod head 11 until the size is larger than the damaged opening of the pipeline; then, the outer plugging block 2 slides relative to the extrusion sleeve 4 through the clamping and pushing mechanism 6 until the enlarged pressed large part 3 and the outer plugging block 2 abut against the inner wall and the outer wall of the pipeline respectively, so that the water leakage port is plugged, and the effect of plugging the inner and outer dual-measures is achieved. This damaged mouthful sealing device of pipeline need not to cut off the water source when using to convenient to use is swift, stagnant water is effectual, the efficiency of construction is high and with low costs.

In this embodiment, a pressing ring 41 is disposed on an outer wall of one end of the pressing sleeve 4 facing the pressure-increasing member 3. The contact surface with the pressed large part 3 is increased, and the extrusion effect is improved. The pressure-increasing member 3 is a rubber sleeve.

In this embodiment, as shown in fig. 1 and fig. 2, the pushing mechanism 5 includes a pushing nut 51, the pushing nut 51 is sleeved on the insertion rod 1 and is in threaded connection with the insertion rod 1, and the pushing nut 51 is located at one end of the extrusion sleeve 4 away from the large pressed part 3. This damaged mouthful sealing device of pipeline is inserting the pipeline back, supports to push away nut 51 and is located the outside of pipeline, supports to push away nut 51 through screwing and can make extrusion cover 4 and pole head 11 move in opposite directions, will pressurize big one 3 and press from both sides tightly simple structure, convenient operation.

In this embodiment, the pushing mechanism 5 further includes a pushing washer 52, and the pushing washer 52 is sleeved on the insertion rod 1 and located between the pushing nut 51 and the pressing sleeve 4. The pushing washer 52 is made of an elastic material, and has an anti-loosening effect.

In this embodiment, as shown in fig. 1 and fig. 2, the clamping and pushing mechanism 6 includes a clamping nut 61, the clamping nut 61 is sleeved on the extrusion sleeve 4 and is in threaded connection with the extrusion sleeve 4, and the clamping nut 61 is located at one end of the outer plug 2 away from the compressed enlarged part 3. This damaged mouthful watertight fittings of pipeline is back in inserting the pipeline, and clamping nut 61 is located the outside of pipeline, can make outer sprue 2 slide along extrusion cover 4 through screwing clamping nut 61 to make outer sprue 2 press from both sides tightly on the lateral wall of pipeline with the pressurized grow piece 3 of pressurized grow, simple structure, convenient operation.

In this embodiment, the clamping and pushing mechanism 6 further includes a clamping washer 62, and the clamping washer 62 is sleeved on the pressing sleeve 4 and located between the clamping nut 61 and the outer plugging block 2. The clamping washer 62 is made of an elastic material and has an anti-loosening effect.

In this embodiment, the extrusion sheath 4 is sleeved with a water-swellable ring 7, and the water-swellable ring 7 is located between the outer plug 2 and the extrusion ring 41. As shown in fig. 2, after the water sealing device for the damaged opening of the pipeline is installed, the water swelling ring 7 is located in the damaged opening of the pipeline, and after water absorption, the water swelling ring becomes large until the water swelling ring abuts against the inner wall of the damaged opening of the pipeline, so that the water sealing effect is further improved.

In this embodiment, the extrusion sleeve 4 is sleeved with a waterproof sleeve 8, and the inner wall of the waterproof sleeve 8 is adapted to the outer peripheral wall of the extrusion ring 41. Before installation, firstly, the clamping nut 61 is screwed down to enable the waterproof sleeve 8 to be tightly pressed between the outer plugging block 2 and the rod head 11, and two ends of the waterproof sleeve 8 are respectively abutted against the outer plugging block 2 and the rod head 11 to prevent the waterproof sleeve 8 from entering water; the water stopping device for the damaged opening of the pipeline is inserted into the damaged opening of the pipeline, and after the pressed large part 3 extends into the pipeline, the clamping nut 61 is unscrewed or removed to take out the waterproof sleeve 8 (if the clamping nut 61 is removed, the clamping nut 61 needs to be installed again when the waterproof sleeve 8 is taken out), so that the water swelling ring 7 is prevented from being enlarged when encountering water in the process of being inserted into the damaged opening of the pipeline, and the water swelling ring 7 is prevented from being enlarged when encountering water and clamped at the damaged opening of the pipeline before being installed in place, so that the installation cannot be continued; then, the outer block 2 is made to slide relative to the extrusion sleeve 4 by the clamping nut 61 until the enlarged pressed large part 3 and the outer block 2 are respectively pressed against the inner and outer walls of the pipeline.

In this embodiment, as shown in fig. 3 and 4, the waterproof sleeve 8 includes a first arc-shaped body 81 and a second arc-shaped body 82, and the first arc-shaped body 81 and the second arc-shaped body 82 are axially clamped. The axial clamping connection of the first arc-shaped body 81 and the second arc-shaped body 82 forms the waterproof sleeve 8, the connection position of the first arc-shaped body 81 and the second arc-shaped body 82 forms the clamping connection through the axial clamping strip and the clamping groove, so that the first arc-shaped body 81 and the second arc-shaped body 82 can be pulled away in the axial direction, the clamping nut 61 does not need to be detached when the waterproof sleeve 8 is detached, the construction is simpler, and the efficiency is higher.

In this embodiment, the outer plug 2 is of a rubber structure. The plugging effect is improved. The outer plugging block 2 is conical.

In other embodiments, the end of the insertion rod 1 and the pressing sleeve 4 away from the pressure increasing member 3 may be provided with a polygonal screwing portion to facilitate the screwing and mounting operation.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a damaged mouthful watertight fittings of pipeline which characterized in that: including inserted bar (1), outer plug (2) and axial receive the radial pressurized grow spare (3) that enlarges after the extrusion, the fixed pole head (11) that is equipped with of one end of inserted bar (1), sliding sleeve is equipped with extrusion cover (4) on inserted bar (1), pressurized grow spare (3) cover is located on pole head (11) and is located between extrusion cover (4) and pole head (11), be equipped with on inserted bar (1) and be used for supporting pushing away mechanism (5) of extrusion cover (4), outer plug (2) sliding sleeve is located on extrusion cover (4), be equipped with on extrusion cover (4) and be used for making outer plug (2) press from both sides tight pushing mechanism (6) of gliding extrusion cover (4) relatively.

2. The sealing device for the pipe breakage port according to claim 1, wherein: and an extrusion ring (41) is arranged on the outer wall of one end of the extrusion sleeve (4) facing the compressed large part (3).

3. The pipe breakage water stop device according to claim 1, characterized in that: the pressure-bearing large part (3) is a rubber sleeve.

4. The pipe breakage water stop device according to claim 1, characterized in that: the pushing mechanism (5) comprises a pushing nut (51), the pushing nut (51) is sleeved on the insertion rod (1) and is in threaded connection with the insertion rod (1), and the pushing nut (51) is located at one end, away from the pressed large part (3), of the extrusion sleeve (4).

5. The sealing device for the pipe breakage port according to claim 4, wherein: the pushing mechanism (5) further comprises a pushing washer (52), and the pushing washer (52) is sleeved on the inserted rod (1) and is located between the pushing nut (51) and the extrusion sleeve (4).

6. The sealing device for the pipe breakage port according to claim 1, wherein: the clamping and pushing mechanism (6) comprises a clamping nut (61), the clamping nut (61) is sleeved on the extrusion sleeve (4) and is in threaded connection with the extrusion sleeve (4), and the clamping nut (61) is located at one end, away from the compression large part (3), of the outer plugging block (2).

7. The sealing device for the pipe breakage port according to claim 6, wherein: the clamping pushing mechanism (6) further comprises a clamping washer (62), and the clamping washer (62) is sleeved on the extrusion sleeve (4) and is located between the clamping nut (61) and the outer plugging block (2).

8. The pipe breakage water stopping device according to any one of claims 2 to 7, characterized in that: extrusion cover (4) are gone up the cover and are equipped with water-swelling ring (7), water-swelling ring (7) are located between sprue (2) and extrusion ring (41) outward.

9. The pipe breakage water stop device according to claim 8, characterized in that: extrusion cover (4) overcoat is equipped with waterproof sleeve (8), the inner wall of waterproof sleeve (8) and the periphery wall adaptation of extrusion ring (41).

10. The sealing device for the pipe breakage port according to claim 9, wherein: waterproof sleeve (8) include first arc body (81) and second arc body (82), first arc body (81) and second arc body (82) axial joint.