CN212430153U - Pipe orifice plugging tool - Google Patents

Abstract

The utility model provides a mouth of pipe shutoff instrument, include: the flange plate assembly comprises a first flange plate and a second flange plate which are arranged at intervals in the vertical direction, and a pressure relief channel is arranged on the flange plate assembly; the sealing assembly is arranged between the first flange plate and the second flange plate; the fastener is arranged on the first flange plate, the sealing assembly and the second flange plate in a penetrating mode; the adjusting piece is movably arranged on the fastening piece to adjust the distance between the first flange plate and the second flange plate; the valve can block the pressure relief channel. The technical scheme of this application has solved the adoption silk ribbon or mud etc. among the correlation technique effectively and has carried out the problem of shutoff pipeline's mouth of pipe, has the construction hidden danger.

Description

Pipe orifice plugging tool

Technical Field

The utility model relates to a pipeline shutoff field particularly, relates to a mouth of pipe shutoff instrument.

Background

Aiming at the pipeline plugging situation, a silk ribbon or mud and the like are provided in the related art for plugging the pipe orifice, and the method has the following problems:

on the one hand, the method is unsafe, and constructors leak in the valve of the pipeline during construction, and the plugging part is broken due to continuous accumulated pressure, so that the constructors are injured. On the other hand is after the construction, clears away the work to the shutoff thing of the mouth of pipe department of pipeline, and after clearing away, the mouth of pipe department of pipeline can remain the high temperature liquid or the gas of pressure, and this high temperature liquid or gas can increase the degree of difficulty to subsequent work of clearing away.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a pipe orifice plugging tool to solve the problem of hidden construction trouble when the pipe orifice of the plugging pipeline is plugged by the ribbon or mud in the related art.

In order to achieve the above object, the utility model provides a mouth of pipe shutoff instrument, include: the flange plate assembly comprises a first flange plate and a second flange plate which are arranged at intervals in the vertical direction, and a pressure relief channel is arranged on the flange plate assembly; the sealing assembly is arranged between the first flange plate and the second flange plate; the fastener is arranged on the first flange plate, the sealing assembly and the second flange plate in a penetrating mode; the adjusting piece is movably arranged on the fastening piece to adjust the distance between the first flange plate and the second flange plate; the valve can block the pressure relief channel.

Further, the flange plate assembly further comprises a pipe body connected to the second flange plate, the valve is arranged at the pipe orifice of the pipe body, a first through hole is formed in the first flange plate, a second through hole is formed in the second flange plate, inner holes of the first through hole, the second through hole and the pipe body are communicated, and a pressure relief channel is formed inside the first through hole, the second through hole, the inner hole and the sealing assembly.

Further, mouth of pipe shutoff instrument still includes the detection piece of connection on the body, and the hole that detects piece and body is linked together.

Further, seal assembly includes disk body and a plurality of sealing member, and the disk body setting is provided with the third through-hole of intercommunication first through-hole and second through-hole between two adjacent sealing members on the disk body, and the hole of first through-hole, third through-hole, second through-hole and body forms pressure release channel jointly.

Further, the disk body includes a disk body and a bulge loop arranged on the disk body, a first step is formed between the bulge loop and the first end of the disk body, a second step is formed between the bulge loop and the second end of the disk body, one of two sealing elements arranged on two sides of the disk body is arranged on the first step, and the other sealing element is arranged on the second step.

Furthermore, the outer diameter of the plate body, the outer diameter of the first flange plate and the outer diameter of the second flange plate are equal; the sealing element is made of rubber.

Furthermore, a first connecting hole is formed in the first flange plate, a second connecting hole is formed in the second flange plate, a third connecting hole is formed in the sealing assembly, and the fastening piece penetrates through the first connecting hole, the third connecting hole and the second connecting hole.

Further, the fastener includes the screw rod, and the first end fixed connection of screw rod is on first ring flange, and the second end of screw rod is worn out from the second ring flange, and the regulating part is the nut of cover on the screw rod.

Furthermore, the fasteners and the adjusting pieces are multiple, the adjusting pieces are connected with the fasteners in a one-to-one correspondence mode, and the fasteners are arranged at intervals along the circumferential direction of the first flange plate.

Furthermore, the first end of the pipe body is connected with the second flange plate in a bonding or welding mode, the first end of the pipe body and the second flange plate are of an integrally formed structure, and the valve is connected to the second end of the pipe body.

Use the technical scheme of the utility model, mouth of pipe shutoff instrument includes: a flange assembly, a seal assembly, fasteners, an adjustment member, and a valve. The flange plate assembly comprises a first flange plate and a second flange plate which are arranged at intervals along the vertical direction. A pressure relief channel is arranged on the flange component. The seal assembly is disposed between the first flange and the second flange. The fastener is arranged on the first flange plate, the sealing component and the second flange plate in a penetrating mode. The adjusting member is movably arranged on the fastening member to adjust the distance between the first flange and the second flange. The valve can block the pressure relief channel. Constructor can stretch into the mouth of pipe of mouth of pipe shutoff instrument to make seal assembly lateral wall and orificial inner wall can contact the cooperation, remove the regulating part, can make first ring flange or second ring flange move for the fastener takes place, with the interval between regulation first ring flange and the second ring flange, first ring flange and second ring flange can press from both sides tight seal assembly, so that hug closely on orificial inner wall after the seal assembly warp. When the valve is closed, the pressure relief channel is blocked, and the pipe orifice blocking tool can block the pipe orifice of the pipeline. When the pressure in the pipeline is large, the valve is opened, and high-temperature liquid or gas is discharged from the pressure relief channel, so that the pressure in the pipeline is controlled within the range of 0Mpa to 0.3Mpa, the operation safety of the construction process can be ensured, and potential safety hazards are eliminated. Constructor's whole work progress need not to use silk ribbon or mud among the correlation technique, just can realize through one-man operation mouth of pipe shutoff instrument, and is light and handy convenient, conveniently carries, labour saving and time saving, operation safety. Therefore, the technical scheme of the application has solved effectively and has adopted silk ribbon or mud etc. to carry out the problem that has the construction hidden danger when shutoff pipeline's mouth of pipe among the correlation technique.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

figure 1 shows a schematic front view of an embodiment of a pipe orifice plugging tool according to the present invention; and

figure 2 shows a schematic front view of the disc of the orifice blocking tool of figure 1.

Wherein the figures include the following reference numerals:

10. a flange assembly; 11. a first flange plate; 111. a first through hole; 112. a first connection hole; 12. a second flange plate; 121. a second through hole; 122. a second connection hole; 20. a seal assembly; 21. a tray body; 211. a third through hole; 212. a disc body; 213. a convex ring; 214. a first step; 215. a second step; 22. a seal member; 23. a third connection hole; 30. a fastener; 32. a screw; 40. a valve; 50. a pipe body; 60. a detection member; 70. an adjusting member.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1, the nozzle plugging tool of the present embodiment includes: a flange assembly 10, a seal assembly 20, fasteners 30, an adjustment member 70, and a valve 40. The flange assembly 10 includes a first flange 11 and a second flange 12 which are spaced apart in a vertical direction. The flange assembly 10 is provided with a pressure relief passage. The seal assembly 20 is disposed between the first flange 11 and the second flange 12. The fastening member 30 is inserted through the first flange 11, the sealing assembly 20 and the second flange 12. The adjusting member 70 is movably disposed on the fastening member 30 to adjust the distance between the first flange 11 and the second flange 12. The valve 40 can block the pressure relief passage.

Use the technical scheme of this embodiment, mouth of pipe shutoff instrument includes: a flange assembly 10, a seal assembly 20, fasteners 30, an adjustment member 70, and a valve 40. The flange assembly 10 includes a first flange 11 and a second flange 12 which are spaced apart in a vertical direction. The adjusting member 70 is movably disposed on the fastening member 30 to adjust the distance between the first flange 11 and the second flange 12. The valve 40 can block the pressure relief passage. Constructor can stretch into the mouth of pipe shutoff instrument to the mouth of pipe in to make seal assembly 20 lateral wall and the contact fit of orificial inner wall, remove regulating part 70, can make second ring flange 12 take place to remove for fastener 30, with the interval between regulation first ring flange 11 and the second ring flange 12, first ring flange 11 and second ring flange 12 can press from both sides tight seal assembly 20, so that hug closely on orificial inner wall after seal assembly 20 warp. When the valve is closed, the pressure relief channel is blocked, and the pipe orifice blocking tool can block the pipe orifice of the pipeline. When the pressure in the pipeline is large, the valve is opened, and high-temperature liquid or gas is discharged from the pressure relief channel, so that the pressure in the pipeline is controlled within the range of 0Mpa to 0.3Mpa, the operation safety of the construction process can be ensured, and potential safety hazards are eliminated. Constructor's whole work progress need not to use silk ribbon or mud among the correlation technique, just can realize through one-man operation mouth of pipe shutoff instrument, and is light and handy convenient, conveniently carries, labour saving and time saving, operation safety. Therefore, the technical scheme of this embodiment has solved effectively and has adopted silk ribbon or mud etc. to carry out the problem that has the construction hidden danger when shutoff pipeline's mouth of pipe among the correlation technique. Preferably, the orifice blocking tool extends into the target pipe section by about 400mm, so that the pipe orifice blocking tool is convenient to assemble and disassemble.

Of course, in other embodiments not shown, the movement of the adjustment member can move the first flange relative to the fastener to adjust the spacing between the first flange and the second flange.

The pipeline can be divided into a plurality of target sections, the specified target pipe section is rapidly and tightly plugged through the pipe orifice plugging tool, and a normalized construction environment is provided for the specified pipe section and subsequent pipe sections. The mouth of pipe shutoff instrument of this embodiment is simple mechanical type instrument, can not cause the pollution to the environment. The pipe orifice plugging tool of the embodiment can realize tight and quick plugging of a target pipe section. Meanwhile, the pipe orifice plugging tool is used for plugging the target pipe section, and maintenance work such as water closing experiments, gas closing experiments, leak point searching, temporary water plugging in pipeline maintenance and the like can be performed on the pipe section.

As shown in fig. 1, the flange assembly 10 further includes a tubular body 50 connected to the second flange 12. The valve 40 is disposed at the orifice of the tube body 50. The pipe 50 is arranged to facilitate discharge of high-temperature liquid or gas from the pipe opening of the pipe 50, and to facilitate mounting and dismounting of a pipe opening plugging tool, the pipe 50 can be held by a constructor. The first flange 11 is provided with a first through hole 111, the second flange 12 is provided with a second through hole 121, and the first through hole 111 and the second through hole 121 are communicated with the inner hole of the pipe body 50. The first through hole 111, the second through hole 121, the inner hole, and the inside of the sealing assembly 20 form a pressure relief passage. High-temperature liquid or gas can pass through the first through hole 111, the second through hole 121, the inner hole, and the inside of the sealing assembly 20, facilitating the circulation.

As shown in fig. 1, in this embodiment, in order to ensure the safety of operating the nozzle plugging tool, the nozzle plugging tool further includes a detector 60 attached to the pipe body 50. The detecting member 60 communicates with the inner hole of the tube body 50. The detection piece 60 can detect the real-time pressure in the pressure relief channel, and whether the pressure meets the requirement or not is known by observing the detection piece 60, so that the pressure is ensured to be abnormal. The detecting member 60 of the present embodiment is preferably a pressure gauge.

As shown in fig. 1 and 2, the seal assembly 20 includes a disc 21 and two seals 22. The disc 21 is disposed between adjacent two of the seals 22. The disc body 21 is provided with a third through hole 211 communicating the first through hole 111 and the second through hole 121, and the first through hole 111, the third through hole 211, the second through hole 121 and the inner hole of the tube body 50 form a pressure relief channel together. The disc body 21 is arranged to support the two sealing members 22, so that the first flange 11, the second flange 12 and the disc body 21 jointly press the two sealing members 22, and the sealing members 22 deform radially more uniformly and are made of rubber. The seal 22 of this embodiment is preferably an O-ring rubber. The O-shaped rubber ring can be in contact with the inner wall surface of the pipeline in an expansion deformation mode after being pressed by a compression force, so that the sealing effect is guaranteed. The first flange 11, the second flange 12, and the plate 21 of this embodiment are each disk-shaped.

As shown in fig. 1 and 2, in the present embodiment, the disk body 21 includes a disk body 212 and a convex ring 213 provided on the disk body 212. A first step 214 is formed between the torus 213 and a first end of the disk body 212 and a second step 215 is formed between the torus 213 and a second end of the disk body 212. One of the two seals 22 provided on both sides of the disc 21 is mounted on the first step 214, and the other is mounted on the second step 215. The first step 214 and the second step 215 are provided to catch the sealing member 22, so that the sealing member 22 can be smoothly placed. The operation process is quick and convenient, the time is greatly saved, and the high-efficiency sealing is realized. Of course, in other embodiments not shown in the figures, the number of seals is not limited to two, and may be one, three, four, and more. Correspondingly, the number of the disks is not limited to one, and only the plurality of sealing members can be spaced from each other.

As shown in fig. 1, in the present embodiment, the outer diameter of the disk body 21, the outer diameter of the first flange 11, and the outer diameter of the second flange 12 are all equal. Therefore, the pipe orifice plugging tool can smoothly extend into the designated position in the target pipe section.

As shown in fig. 1 and 2, in the present embodiment, the first flange 11 is provided with a first connection hole 112. The second flange 12 is provided with a second connecting hole 122. The sealing assembly 20 is provided with a third coupling hole 23. The fastener 30 is inserted into the first coupling hole 112, the third coupling hole 23 and the second coupling hole 122. Thus, the first flange 11, the second flange 12 and the sealing member 20 can be simultaneously contacted with the fastening member 30, and the fastening member 30 is engaged with the first coupling hole 112, the third coupling hole 23 and the second coupling hole 122 for guiding during the adjustment of the distance between the first flange 11 and the second flange 12 by the adjusting member 70.

As shown in fig. 1, fastener 30 includes a threaded shank 32. The first end of the screw rod 32 is fixedly connected to the first flange 11, and the second end of the screw rod 32 penetrates out of the second flange 12. The adjusting member 70 is a nut that fits over the threaded rod 32. The screw 32 and nut fit is simple and easy to implement. The first end of the screw 32 is fixedly connected to the first flange 11 by welding

As shown in fig. 1, there are two fastening members 30 and two adjusting members 70, the two adjusting members 70 are connected to the two fastening members 30 in a one-to-one correspondence, and the two fastening members 30 are arranged at intervals along the circumferential direction of the first flange plate 11. Thus, the force applied by the adjusting member 70 to the second flange 12 is more uniform, and the distance between the first flange 11 and the second flange 12 can be reduced or increased. Of course, the number of the fastening members and the adjusting members is not limited to two, but may be three, four, and more. As long as the adjusting pieces and the fastening pieces can be connected in one-to-one correspondence.

As shown in fig. 1, in the present embodiment, the first end of the tubular body 50 is connected to the second flange 12 by welding. Thus, the first end of the tubular body 50 and the second flange 12 can be firmly connected together, and the safety is high. The valve 40 is attached to a second end of the tube 50. Of course, in other embodiments not shown, the first end of the tubular body is adhesively attached to the second flange. Or the first end of the pipe body and the second flange are of an integrally formed structure.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A tube orifice blocking tool, comprising:

the flange plate assembly (10) comprises a first flange plate (11) and a second flange plate (12) which are arranged at intervals in the vertical direction, and a pressure relief channel is arranged on the flange plate assembly (10);

a seal assembly (20) disposed between the first flange (11) and the second flange (12);

the fastening piece (30) is arranged on the first flange plate (11), the sealing component (20) and the second flange plate (12) in a penetrating mode;

an adjusting member (70) movably disposed on the fastening member (30) to adjust a distance between the first flange (11) and the second flange (12);

a valve (40) capable of plugging the pressure relief channel.

2. The pipe orifice plugging tool according to claim 1, wherein the flange assembly (10) further comprises a pipe body (50) connected to the second flange (12), the valve (40) is disposed at the pipe orifice of the pipe body (50), the first flange (11) is provided with a first through hole (111), the second flange (12) is provided with a second through hole (121), the first through hole (111), the second through hole (121) and the inner hole of the pipe body (50) are communicated, and the first through hole (111), the second through hole (121), the inner hole and the interior of the sealing assembly (20) form the pressure relief channel.

3. The orifice plugging tool of claim 2, further comprising a detector (60) attached to the tube body (50), the detector (60) being in communication with the inner bore of the tube body (50).

4. The orifice plugging tool of claim 2, wherein the sealing assembly (20) comprises a disc body (21) and a plurality of sealing members (22), the disc body (21) is disposed between two adjacent sealing members (22), a third through hole (211) communicating the first through hole (111) and the second through hole (121) is disposed on the disc body (21), and the first through hole (111), the third through hole (211), the second through hole (121) and an inner hole of the tube body (50) together form the pressure relief channel.

5. The orifice plugging tool of claim 4, wherein the disc body (21) comprises a disc body (212) and a collar (213) disposed on the disc body (212), a first step (214) is formed between the collar (213) and a first end of the disc body (212), a second step (215) is formed between the collar (213) and a second end of the disc body (212), one of the two seals (22) disposed on either side of the disc body (21) is mounted on the first step (214), and the other is mounted on the second step (215).

6. The orifice plugging tool of claim 4, wherein the outer diameter of said disc (21), the outer diameter of said first flange (11) and the outer diameter of said second flange (12) are all equal; the sealing element (22) is made of rubber.

7. The orifice plugging tool of claim 1, wherein a first connection hole (112) is formed in said first flange (11), a second connection hole (122) is formed in said second flange (12), a third connection hole (23) is formed in said sealing member (20), and said fastening member (30) is inserted into said first connection hole (112), said third connection hole (23) and said second connection hole (122).

8. The orifice plugging tool of claim 1, wherein said fastener (30) comprises a threaded rod (32), a first end of said threaded rod (32) is fixedly connected to said first flange (11), a second end of said threaded rod (32) extends out of said second flange (12), and said adjusting member (70) is a nut fitted over said threaded rod (32).

9. The orifice plugging tool according to claim 1, wherein each of said fastening members (30) and said adjusting members (70) is provided in plurality, a plurality of said adjusting members (70) are connected to a plurality of said fastening members (30) in a one-to-one correspondence, and a plurality of said fastening members (30) are arranged at intervals along a circumferential direction of said first flange plate (11).

10. Nozzle plugging tool according to claim 2, wherein the first end of the tube body (50) is connected to the second flange (12) by bonding or welding, the first end of the tube body (50) is integrally formed with the second flange (12), and the valve (40) is connected to the second end of the tube body (50).

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