CN218236611U

CN218236611U - Pipeline plugging device

Info

Publication number: CN218236611U
Application number: CN202222360376.6U
Authority: CN
Inventors: 梁家桢; 陈立廷; 刘妹娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-01-06
Anticipated expiration: 2032-09-06

Abstract

The utility model discloses a pipeline plugging device, including setting up the fastener at pipeline mouth of pipe outer wall: the tip of fastener is provided with the balladeur train, and is provided with spacing pipe on the balladeur train, and the intraductal screwed connection of spacing has outer shutoff pole, the tip of outer shutoff pole is provided with conical shutoff head, and is provided with elastic interior shutoff piece in the shutoff head, the interior screwed connection of outer shutoff pole has interior shutoff pole that the shutoff piece moved compression state by conventional state in the drive. The utility model discloses in, this plugging device adopts the structural design of two inside and outside shutoff poles, can be when conical outer shutoff pole drive shutoff head gets into pipeline mouth of pipe inner wall, make in the extrusion of interior shutoff pole piece at the overhead expansion deformation of shutoff, thereby play further sealed effect to shutoff head and mouth of pipe inner wall inboard, and then realized the shutoff effect of inside and outside combination formula between pipeline mouth of pipe and the shutoff head, the leakproofness of pipeline mouth of pipe shutoff has been improved, the phenomenon of gas emergence leakage in the pipeline is avoided.

Description

Pipeline plugging device

Technical Field

The utility model relates to a pipeline maintenance technical field especially relates to a pipeline plugging device.

Background

The gas pipeline is a special pipeline for conveying combustible gas, a metal gas pipe hose is used for replacing a traditional buckle rubber hose, the defects that the rubber hose is easy to fall off and age, is easy to bite by insects and short in service life can be overcome, and a pipe opening needs to be plugged by a plugging device when the gas pipeline is maintained.

Chinese patent publication No.: CN214535101U discloses a stopper for gas pipeline, including the backup pad, there is the threaded rod in the inside of backup pad through threaded connection, the lower extreme fixedly connected with handle of threaded rod, the outside of threaded rod is rotated and is connected with the connecting seat, the horizontal pole of two symmetries of fixedly connected with on the connecting seat, fixedly connected with uide bushing on the horizontal pole, the inside sliding connection of uide bushing has the montant, montant and backup pad fixed connection, the one end fixedly connected with solid fixed ring of backup pad is kept away from to the montant, the outside of montant is provided with first spring, the upper end fixedly connected with end cap of connecting seat, the stopper of two symmetries of lower extreme fixedly connected with of end cap, the stopper contacts with the connecting seat, fixedly connected with fixture block on the stopper, fixture block and connecting seat joint, the spacing seat of two symmetries of outside fixedly connected with of connecting seat, the spout has been seted up to the inside of spout, the inside sliding connection of spout has the slider, the inside sliding connection of slider has the dead lever, dead lever and spacing seat fixed connection, the outside of dead lever is provided with the second spring, the fixedly connected with the gag lever on the slider, the stopper is close to the one end fixedly connected with the lug of stopper.

When the existing plugging device is used for plugging a gas pipeline, a plugging mechanism extending into the pipeline and the inner wall of the pipeline are generally used for extruding and plugging, and after the plugging mechanism is extruded for a long time or frequently, the phenomenon of local deformation and abrasion is easy to occur, so that the plugging mechanism cannot be in sealing contact with the inner wall of the gas pipeline, the plugging effect of the gas pipeline is poor, and the phenomenon of gas leakage is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dual seal shutoff mode of adopting inside and outside combination formula improves gas pipeline shutoff leakproofness, prevents to take place a pipeline plugging device of gas leakage phenomenon.

In order to achieve the above object, the present invention provides the following technical solutions: a pipe plugging device comprising a fastener disposed on an outer wall of a pipe orifice:

a sliding frame is arranged at the end part of the fastener, a limiting pipe is arranged on the sliding frame, and an external plugging rod is spirally connected in the limiting pipe;

the end part of the outer plugging rod is provided with a conical plugging head, an elastic inner plugging piece is arranged in the plugging head, and the inner plugging piece is in an elastic extended conventional state and a compression state of compression deformation on the stroke;

the inner plugging rod for driving the inner plugging piece to move from a conventional state to a compressed state is spirally connected in the outer plugging rod.

As a further description of the above technical solution:

the conical outer wall of the plugging head is provided with a flexible rubber gasket.

As a further description of the above technical solution:

the inner plugging piece comprises a pressing plate arranged in the plugging head, one end of the pressing plate is rotatably connected with the inner plugging rod, and the other end of the pressing plate is provided with a rubber storage tube.

As a further description of the above technical solution:

and a filling channel is arranged in the end sealing plug and at the position of the conical end.

As a further description of the above technical solution:

the outer wall of the blocking head is provided with an installation plate, and a lantern ring sleeved on the outer wall of the parallel end of the sliding frame is arranged on the installation plate.

As a further description of the above technical solution:

the outer wall of outer shutoff pole is provided with the holding ring, and is equipped with the locking groove on the holding ring, sliding connection has the shift ring on the interior shutoff pole, and is equipped with the locking piece with locking groove looks adaptation on the shift ring.

As a further description of the above technical solution:

the inner wall of the moving ring is provided with a sliding block, and the outer wall of the inner plugging rod is provided with sliding grooves which are distributed along the axial direction of the inner plugging rod.

As a further description of the above technical solution:

the fastener comprises an upper semicircular arc-shaped clamping ring and a lower semicircular arc-shaped clamping ring, and the upper clamping ring is connected with the lower clamping ring through a fastening pin.

In the technical scheme, the utility model provides a pair of pipeline plugging device has following beneficial effect:

this plugging device adopts the structural design of two inside and outside shutoff poles, can be when conical outer shutoff pole drive shutoff head gets into pipeline mouth of pipe inner wall for the inflation deformation of shutoff piece on the shutoff head in the extrusion of interior shutoff pole, thereby play further sealed effect to shutoff head and mouth of pipe inner wall inboard, and then realized the shutoff effect of inside and outside combination formula between the pipeline mouth of pipe and the shutoff head, improved the leakproofness of the shutoff of the pipeline mouth of pipe, the phenomenon of gas emergence leakage in the pipeline is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic structural view of a pipeline plugging device according to an embodiment of the present invention;

fig. 2 is a schematic side view of a fastener provided in an embodiment of the present invention;

fig. 3 is a schematic structural view of the joint of the plugging head, the inner plugging rod and the outer plugging rod provided by the embodiment of the present invention;

fig. 4 is a schematic side view of the joint of the outer plugging rod and the moving ring provided by the embodiment of the present invention.

Description of reference numerals:

1. a fastener; 11. an upper clamping ring; 12. a lower clamping ring; 13. a fastening pin; 2. a carriage; 3. a collar; 4. Mounting a plate; 5. plugging a plug; 51. a rubber gasket; 52. a rubber storage tube; 53. pressing a plate; 54. filling the channel; 6. an outer plugging rod; 7. a limiting pipe; 8. an inner plugging rod; 81. a chute; 9. a positioning ring; 91. a locking groove; 10. a moving ring; 101. a locking block; 102. a slide block.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1-4, a pipe plugging device comprises a fastening member 1 disposed on the outer wall of the pipe orifice:

the end part of the fastener 1 is provided with a sliding frame 2, the sliding frame 2 is provided with a limiting pipe 7, an outer plugging rod 6 is spirally connected in the limiting pipe 7, and the axis of the outer plugging rod 6 and the axis of the pipe orifice of the pipeline are positioned on the same line;

the end part of the outer plugging rod 6 is provided with a conical plugging head 5, when the outer plugging rod 6 is rotated to drive the plugging head 5 to enter the inner wall of the pipe orifice of the gas pipeline, along with the continuous entering of the conical plugging head 5, the contact surface between the plugging head 5 and the pipe orifice of the gas pipeline is continuously increased until the plugging head 5 cannot move, and at the moment, the plugging head 5 can be in sealing contact with the inner wall of the pipe orifice of the gas pipeline to play a role in plugging the gas pipeline at one time;

the inner plugging piece is arranged in the plugging head 5 and is in an elastic unfolding conventional state and a compression state of compression deformation on the stroke, the inner plugging piece is connected with the inner plugging rod 8 which drives the inner plugging piece to move from the conventional state to the compression state in a spiral mode in the outer plugging rod 6, the inner plugging rod 8 is rotated to enable the inner plugging piece to move in the outer plugging rod 6 in a spiral mode and enter the plugging head 5 to push the inner plugging piece to move from the conventional state to the compression state, the inner plugging piece can play a role in expansion and extrusion on the inner side of the plugging head 5, and a plugging effect is achieved on the inner side and the inner side of the pipe orifice of the gas pipeline, so that the internal and external combined type plugging effect between the pipe orifice of the gas pipeline and the plugging head 5 is achieved, the plugging tightness of the pipe orifice of the gas pipeline is improved, and the phenomenon of gas leakage in the gas pipeline is avoided.

The toper outer wall of shutoff head 5 is provided with flexible rubber gasket 51, just be equipped with packing passageway 54 for toper end position in the shutoff head 5, when the contact of the mouth of pipe inner wall of shutoff head 5 with gas pipeline, rubber gasket 51 can be by extrusion deformation, can play the outside sealed effect to the mouth of pipe inner wall of shutoff head 5 with gas pipeline, and both rubber gasket 51 of extrusion contact position can be impressed in packing passageway 54, make packing passageway 54 cut, can provide relatively inclosed shutoff inflation space for the shutoff operation of subsequent interior shutoff piece.

The inner plugging piece comprises a pressing plate 53 arranged in the plugging head 5, one end of the pressing plate 53 is rotatably connected with the inner plugging rod 8, the other end of the pressing plate 53 is provided with a rubber storage tube 52, the rubber storage tube 52 is filled with colloid with high fluidity, when the inner plugging rod 8 is rotated to push the pressing plate 53 to move and extrude the rubber storage tube 52, the rubber storage tube 52 can be compressed and deformed, the rubber storage tube 52 in a compressed state can extend outwards at the moment, the extending part enters the cut filling channel 54, an expanded plugging structure is formed outside the extrusion contact point of the inner wall of the pipe orifice of the plugging head 5 and the gas pipeline, the inner side plugging effect can be achieved on the inner wall of the pipe orifice of the plugging head 5 and the gas pipeline, the inner and outer combined plugging effect is achieved, and the gas leakage phenomenon of the gas pipeline is prevented.

The outer wall of the blocking head 5 is provided with a mounting plate 4, a lantern ring 3 which is sleeved on the outer wall of the parallel end of the sliding frame 2 is arranged on the mounting plate 4, when the blocking head 5 is ensured to move, the blocking head can be in a stable state, and the contact position between the blocking head 5 and the inner wall of the pipe orifice of the gas pipeline is ensured to be uniform.

The outer wall of outer shutoff pole 6 is provided with holding ring 9, and be equipped with locking groove 91 on the holding ring 9, sliding connection has shift ring 10 on interior shutoff pole 8, and be equipped with the locking piece 101 with locking groove 91 looks adaptation on the shift ring 10, the inner wall of shift ring 10 is provided with slider 102, the outer wall of interior shutoff pole 8 is equipped with along its axial distribution's spout 81, when needs rotate interior shutoff pole 8, promote shift ring 10 and make it under the effect of slider 102 and spout 81, including move on shutoff pole 8, make shift ring 10 break away from with holding ring 9, can realize the unblock operation of interior shutoff pole 8 with outer shutoff pole 6, after interior shutoff pole 8 adjusts and accomplishes, promote shift ring 10 and make it move on interior shutoff pole 8, and make shift ring 10 and holding ring 9 contact, locking piece 101 can block with locking groove 91 looks joint this moment, can play the effect of locking to shift ring 10 and holding ring 9, prevent that interior shutoff pole 8 and outer shutoff pole 6 from taking place the mutual pivoted end cap phenomenon, and then guarantee the stability of shutoff state of 5.

Fastener 1 includes semicircular arc's last clamp ring 11 and lower clamp ring 12, goes up clamp ring 11 and connects through fastening pin 13 between the clamp ring 12 down, will go up clamp ring 11 and clamp ring 12 down and be located gas pipeline's mouth of pipe outside both sides about respectively to run through fastening pin 13 and fasten after clamp ring 11 and clamp ring 12 down, can make the stable mouth of pipe outer wall of fixing at gas pipeline of last clamp ring 11 and lower clamp ring 12, so that balladeur train 2's installation is fixed.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. The utility model provides a pipeline plugging device, is including setting up fastener (1) at the pipeline mouth of pipe outer wall, its characterized in that:

a sliding frame (2) is arranged at the end part of the fastener (1), a limiting pipe (7) is arranged on the sliding frame (2), and an external plugging rod (6) is spirally connected in the limiting pipe (7);

a conical plugging head (5) is arranged at the end part of the outer plugging rod (6), an elastic inner plugging piece is arranged in the plugging head (5), and the inner plugging piece is in an elastic unfolding conventional state and a compression deformation compression state on the stroke;

the inner screw of the outer plugging rod (6) is connected with an inner plugging rod (8) which drives the inner plugging piece to move from a conventional state to a compressed state.

2. The pipe plugging device of claim 1, wherein: the conical outer wall of the blocking head (5) is provided with a flexible rubber gasket (51).

3. The pipe plugging device of claim 1, wherein: the inner plugging piece comprises a pressing plate (53) arranged in the plugging head (5), one end of the pressing plate (53) is rotatably connected with the inner plugging rod (8), and the other end of the pressing plate (53) is provided with a rubber storage tube (52).

4. The pipe plugging device of claim 1, wherein: and a filling channel (54) is arranged at the conical end position in the blocking head (5).

5. The pipe plugging device of claim 1, wherein: the outer wall of the blocking head (5) is provided with a mounting plate (4), and a lantern ring (3) sleeved on the outer wall of the parallel end of the sliding frame (2) is arranged on the mounting plate (4).

6. The pipeline plugging device of claim 1, wherein: the outer wall of outer shutoff pole (6) is provided with holding ring (9), and is equipped with locking groove (91) on holding ring (9), sliding connection has shift ring (10) on interior shutoff pole (8), and is equipped with locking piece (101) with locking groove (91) looks adaptation on shift ring (10).

7. The pipe blanking device of claim 6, wherein: the inner wall of the moving ring (10) is provided with a sliding block (102), and the outer wall of the inner plugging rod (8) is provided with sliding grooves (81) distributed along the axial direction of the inner plugging rod.

8. The pipe plugging device of claim 1, wherein: the fastener (1) comprises an upper semicircular clamping ring (11) and a lower semicircular clamping ring (12), and the upper clamping ring (11) is connected with the lower clamping ring (12) through a fastening pin (13).