JPH07139026A - Conduit adjusting member - Google Patents

Abstract

PURPOSE:To stop water or the like flowing through a conduit very easily and economically at the time of performing repair works for the inside of the conduit. CONSTITUTION:Plural fixing mechanisms 15 are provided at spaces in the circumferential direction on the outer peripheral side of a pipe 14 having a diameter smaller than that of a conduit 1 subjected to cut-off of water. A seal mechanism 16 for sealing between the pipe 14 and the conduit 1 is provided on the outer peripheral side at the end part of the pipe 14 and in the vicinity of the end part thereof. A cover 13 for sealing the inside of the pipe 14 is installed on a flange part 17 formed on the end part of the conduit 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used for temporarily shutting off running water in a pipeline, controlling the amount of running water, or changing a pipeline during repair work such as in sewers and manholes. The present invention relates to a conduit adjusting member used.

[0002]

2. Description of the Related Art Conventionally, when repairing sewers, manholes, etc., it is necessary to temporarily shut off water (natural running water or pressurized running water) flowing in the pipeline. Next, a conventional example of a construction method for blocking the water of the sewer will be described. (1) Water stop method using Mooney ball In this water stop method, as shown in FIG. 16, a Mooney ball 2 which swells by being filled with air is placed in a pipe line 1 and air is applied to the Mooney ball 2. To seal the inside of the conduit 1 to stop the water.

(2) Water-stopping method using a closing plate In this water-stopping method, as shown in FIG. 17, a wooden or steel closing plate 3 is fitted in a pipe line 1 and the outer circumference of the closing plate 3 is The closing plate 3 fixed to the inner surface of the pipeline 1 with a seal cement or a jack and fitted in the pipeline 1.
The water in the pipeline 1 is stopped by. (3) Water stop method using sandbags In this waterstop method, as shown in FIG. 18, sandbags 5 are piled up in a pipeline 1 and sheets 6 are put on the piled sandbags 5.
The pipe 1 is covered with water to stop the water.

(4) Water-stopping method using a closing plate and sandbags in combination This water-stopping method is a combination of the water-stopping method in (2) above and the water-stopping method in (3) above. As shown in FIG. 3, after the closing plate 3 is installed, sandbags 5 are piled up on the downstream side.
Is reinforced.

[0005]

By the way, in the above-mentioned prior art, it is not possible to stop the water while allowing water to pass through the pipe line 1, that is, the running water in the pipe line 1 is stopped. Must be completely shut off, for this reason
There is a problem in that cutting of the water channel (building a flow channel different from the pipeline 1 to bypass the running water) is required, and the work becomes large. Moreover, it is difficult to secure sufficient water-stop strength with these water-stopping methods, and it is difficult to apply it especially to water-stop of the pipeline 1 through which pressurized water flows. Was needed.

The present invention has been made in view of the above circumstances, and its main object is to provide a conduit adjusting member capable of extremely easily stopping water in a conduit.

[0007]

According to a first aspect of the present invention, there is provided a pipe line adjusting member for shutting off or changing a pipe line through which a fluid flows, and a pipe body having a diameter smaller than that of the pipe line. A plurality of fixing mechanisms are provided on the outer peripheral side of the pipe body at intervals in the circumferential direction to fix the pipe body in the pipe passage, and a fixing mechanism provided on the outer peripheral side of the pipe body, the pipe body and the pipe body. A sealing mechanism that seals between the pipe and a pipe, and a lid that seals the inside of the pipe or a connecting pipe that communicates with the inside of the pipe is attached to an end of the pipe. Is characterized by.

According to a second aspect of the present invention, there is provided a pipe line adjusting member,
In addition to the one according to claim 1, a lid for sealing the inside of the tube is attached to an end of the tube, and an opening is formed in the lid, The opening is provided with a valve whose opening can be adjusted.

According to a third aspect of the present invention, there is provided a conduit adjusting member comprising:
In addition to the structure according to claim 1 or 2, the fixing mechanism includes a fixing plate supported on the outer peripheral side of the pipe body so as to be movable in the radial direction of the pipe body, and an inner peripheral side of the pipe body. A fixing bolt to be screwed in, and by tightening the fixing bolt from the inside of the pipe body, the fixing plate is moved by the tip portion of the fixing bolt to the radial outside of the pipe body. The fixing plate is pressed against the conduit.

The conduit adjusting member according to claim 4 of the present invention is
In addition to the one according to claim 1 or 2, the fixing mechanism includes a fixing plate that is movably supported on an outer peripheral side of the pipe body in a radial direction of the pipe body and has a female screw formed thereon.
It is composed of a freely fixing bolt that is rotatably supported by the tubular body in a state in which axial movement is restricted and that is screwed into the female screw and fastened from the inner peripheral side of the tubular body.
By tightening the universal fixing bolt from the inside of the pipe body, the fixing plate screwed to the universal fixing bolt is moved outward in the radial direction of the pipe body, and the fixing plate is pressed into the pipe line. It is characterized by that.

According to a fifth aspect of the present invention, there is provided a conduit adjusting member,
In addition to the structure according to claim 1 according to any one of claims 1 to 4, the sealing mechanism is provided on the outer peripheral side of the tubular body.
An annular recess formed along the circumferential direction, an annular rubber ring slidably provided in the recess, and a pressing member provided on the inner peripheral side of the rubber ring,
And a pressing bolt screwed from the inner peripheral side of the pipe body, the pressing bolt is tightened from the inside of the pipe body, and the pressing member is pushed outward in the radial direction of the pipe body by the tip portion of the pressing bolt. The rubber ring is expanded in diameter by being moved to, and the outer peripheral surface of the rubber ring is pressed against the conduit to be in close contact therewith.

According to a sixth aspect of the present invention, there is provided a conduit adjusting member,
In addition to what was described in any one of Claim 1 thru | or 4, The said sealing mechanism is an annular recessed part formed in the outer peripheral side of the said pipe body along the circumferential direction, and a radial direction in this recessed part. An annular rubber ring slidably provided to the tubular body, a pressing member provided on the inner peripheral side of the rubber ring and having a female screw, and freely rotatable around the tubular body in a state in which axial movement is restricted. And a free-pressing bolt that is supported by the internal thread of the tubular body and is fastened from the inner peripheral side of the tubular body. The free-pressing bolt is fastened from the inside of the tubular body and is screwed to the universal pressing bolt. By moving the pressing member to be fitted outward in the radial direction of the pipe body, the diameter of the rubber ring is expanded, and the outer peripheral surface of the rubber ring is pressed against the pipe line to be in close contact with the pipe line.

A pipe line adjusting member according to claim 7 of the present invention is
In addition to what was described in any one of Claim 1 thru | or 6, In the edge part of the said pipe body on the opposite side with respect to the attachment side of a cover body or a connection pipe line, from the inner peripheral part of a pipe line. It is characterized in that a tapered guide member extending to the inner peripheral portion of is attached.

[0014]

According to the pipe line adjusting member of the present invention, the pipe body of the pipe line adjusting member arranged in the pipe line is fixed to the pipe body by the fixing mechanism, and the pipe body and the pipe line are formed by the sealing mechanism. The space between and is sealed. In this state, the inside of the pipe is completely stopped by attaching the lid to the end of the pipe. Further, the pipe line can be changed by attaching the connecting pipe line to the end portion of the pipe body.

According to the conduit adjusting member of the second aspect of the present invention, by opening the valve, water is made to flow from the opening provided in the lid. Also, by adjusting the opening of the valve, the amount of water flowing from the opening of the lid is adjusted.

According to the conduit adjusting member of the third aspect of the present invention, when the fixing bolt is tightened, the fixing plate is moved outward in the radial direction of the pipe by the tip portion of the fixing bolt, and the respective conduits are moved. Is pressed against the inner surface of. Then, the tube body of the conduit adjusting member is easily fixed in the conduit by the pressing force of the fixing plate against the inner surface of the conduit.

According to the pipe line adjusting member of the fourth aspect of the present invention, when the universal fixing bolt is tightened, the fixing plate screwed to the universal fixing bolt is moved outward in the radial direction of the pipe body, Each is pressed against the inner surface of the conduit. Then, the tube body of the conduit adjusting member is easily fixed in the conduit by the pressing force of the fixing plate against the inner surface of the conduit.

According to the pipe line adjusting member of the fifth aspect of the present invention, when the pressing bolt is tightened, the pressing member is moved outward in the radial direction of the pipe body by the tip portion of the pressing bolt, and the pressing member is moved. By the movement, the diameter of the rubber ring is expanded, the outer peripheral surface of the rubber ring is brought into close contact with the inner peripheral surface of the pipe line, and the gap between the pipe line and the pipe body is sealed.

According to the pipe line adjusting member of the sixth aspect of the present invention, when the universal pressing bolt is tightened, the pressing member screwed to the universal pressing bolt is moved outward in the radial direction of the pipe body. The diameter of the rubber ring is expanded by the movement of the pressing member, the outer peripheral surface of the rubber ring is brought into close contact with the inner peripheral surface of the pipe, and the space between the pipe and the pipe is sealed.

According to the pipe line adjusting member of the seventh aspect of the present invention, the fluid flowing from the pipe line into the pipe body is smoothly guided into the pipe body by the guide member, and the fluid flows between the pipe body and the pipe line. It is prevented from entering.

[0021]

Embodiments of the conduit adjusting member of the present invention will be described below with reference to the drawings. In FIGS. 1 and 2, reference numeral 11 indicates
It is a conduit adjusting member. The conduit adjusting member 11 includes a member main body 12 and a disk-shaped lid 13 attached to one end of the member main body 12. The member main body 12 includes a tubular body 14 formed in a tubular shape and the tubular body 14
A plurality of fixing mechanisms 15, 15 ... Are provided on the outer peripheral side of the tube at intervals in the circumferential direction, and sealing mechanisms 16, 16 are provided near the end of the tubular body 14. Also,
Flange portions 17, 17 are formed on both end sides of the pipe body 14, and the lid body 13 or another member main body 12 is fixed to the flange portions 17, 17 by bolts, nuts or the like. It has become.

Further, the skirt 1 whose diameter is gradually expanded outward is provided at the peripheral edge portions of these flange portions 17, 17.
8 and 18 are formed, and by fixing the lid body 13, the diameter is further expanded by being pressed by the peripheral edge portion of the lid body 13. As shown in FIG. 3, the fixing mechanism 15 has a structure in which a fixing plate 22 is supported so as to be slidable in the radial direction of the pipe body 14 by guide portions 21 provided on the outer peripheral surface of the pipe body 14. There is. Further, in the tube body 14, a plurality of holes (not shown) are formed on the inner side in the radial direction of the fixed plate 22, along the fixed plate 22,
The nuts 23, 23 are fixed to the holes by welding or the like so as to communicate with each other.

The nuts 23, 23 fixed to the pipe body 14 are fixed to the nuts 23, 23 from the inner peripheral surface side of the pipe body 14 by fixing bolts 24,
When 24 is screwed in, the tips of these fixing bolts 24, 24 come into contact with the fixing plate 22, and when they are further screwed in, the fixing plate 22 is moved outward in the radial direction of the pipe body 14 by these fixing bolts 24, 24. The pipe body 14 is abutted against the inner peripheral surface of the passage 1 so that the pipe body 14 is fixed to the pipe passage 1 in a state of being arranged substantially concentrically.

Further, the contact surface 22a of the fixing plate 22 which is in contact with the inner peripheral surface of the conduit 14 is formed in an uneven shape, and the contact surface 22a formed in this uneven shape forms the conduit 1 The inner peripheral surface of the fixing plate 22 is prevented from being displaced. In the present embodiment, the four fixing mechanisms 15, 15 ... Are arranged on the outer circumference of the pipe body 14 at equal intervals in the circumferential direction, but the fixing mechanisms 15, 15 ... Depends on the diameter of the conduit 1. The number is decided. That is, when the conduit 1 has a large diameter, the fixing strength of the member main body 12 to the conduit 1 is increased by increasing the number of the fixing mechanisms 15.

When the conduit 1 is made of a resin such as vinyl chloride and is relatively soft, a rubber plate 25 or the like is attached to the contact surface 22a of the fixing plate 22 as shown in FIG. By using the above-mentioned one, the member main body 12 is connected to the conduit 1 without damaging the conduit 1.
It is possible to securely fix it to. Further, as shown in FIG. 5, the sealing mechanism 16 is provided on the outer peripheral surface side of the tube body 14,
An annular rubber ring 32 is slidably provided in an annular recess 31 formed along the circumferential direction. The rubber ring 32 has an inner peripheral surface on the inner peripheral surface side.
An annular plate 33 is provided, which is a circular elongated plate made of stainless steel or the like.

Further, a plurality of holes (not shown) are formed in the circumferential direction in the tube body 14 in the portion where the sealing mechanism 16 is provided, at positions communicating with these holes. Each of the nuts 34 is fixed to the inner peripheral surface of the pipe body 14 by welding or the like. Then, the pressing bolts 35 are respectively screwed into the nuts 34 fixed to the inner peripheral surfaces of the tube bodies 14 from the inner surface side of the tube body 14,
When the pressing bolts 35 are screwed in, the tips of the pressing bolts 35 come into contact with the annular plate 33, and by further screwing the pressing bolts 35, the annular plate 33 is moved outward in the radial direction of the tubular body 14 by these pressing bolts 35. The rubber ring 32 is radially outwardly expanded through the annular plate 33, and the outer peripheral surface of the rubber ring 32 is pressed against the inner peripheral surface of the conduit 1 to be in close contact with the outer peripheral surface of the pipe body 14 and the pipe. A seal is formed between the inner peripheral surface of the passage 1 and the inner peripheral surface.

Next, the case where the conduit 1 is stopped by the conduit adjusting member 11 having the above structure will be described according to the procedure. (1) First, the member main body 12 is arranged at a predetermined position in the conduit 1 (upstream of the repaired portion of the conduit 1). (2) Next, the fixing plate 22 is fixed by screwing in the fixing bolts 24 constituting the fixing mechanism 15 of the member main body 12.
Are respectively pressed outward in the radial direction. By doing so, the contact surfaces 22a of the fixing plates 22 are brought into contact with the inner peripheral surface of the conduit 1, so that the pipe body 14 of the member main body 12 is arranged in a substantially concentric circle of the conduit 1. Fixed.

(3) Thereafter, the pressing bolt 35 constituting the seal mechanism 16 of the member main body 12 is screwed in,
The diameter of each rubber ring 32 is expanded via the annular plate 33. By doing so, these rubber rings 3 whose diameters are expanded
The outer peripheral surface of the pipe 2 is pressed against the inner peripheral surface of the pipe passage 1 to be in close contact therewith, and the outer periphery of the pipe body 14 and the inner periphery of the pipe passage 1 are sealed.

(4) In this state, the lid 13 is bolted to the flange portion 17 formed at the end of the member body 12.
Secure with nuts. By doing so, the inside of the pipe body 14 of the member main body 12 is closed by the lid body 13, and the conduit 1 is formed by the member main body 12 and the lid body 13 fixed to the flange portion 17 of the member main body 12. It will be in a blocked state. Further, at this time, the skirt 18 formed on the peripheral portion of the flange portion 17 is pressed by the peripheral portion of the lid body 13 to be expanded in diameter, and the peripheral portion of the skirt 18 is expanded to the pipeline 1.
The inner peripheral surface of the pipe body 14 is abutted against the inner peripheral surface of the pipe body 14, and the outer periphery of the pipe body 14 and the inner periphery of the conduit 1 are further sealed. As a result, various repair work can be favorably performed on the downstream side of the water stop location in the pipeline 1 blocked by the pipeline adjusting member 11. That is, the water flowing in the conduit 1 is stopped by the conduit adjusting member 11 installed in the conduit 1.

Next, a conduit adjusting member of another embodiment will be described. A conduit adjusting member 41 shown in FIG. 6 has an opening 42 formed in the lid 13 and a valve 43 provided in the opening 42. Then, by opening the valve 43, it is possible to cause a predetermined amount of water to flow in the pipe line 1.
In other words, during the repair work, if it is desired to carry out running water that is suitable for the repair work, the valve 43 can be opened to allow running water. Further, by adjusting the opening degree of the valve 43, the amount of flowing water in the conduit 1 can be controlled as desired.

Next, the case where the repair work is carried out in the manhole will be described. When performing repair work in the manhole, as shown in FIG. 7, the member main bodies 12 and 12 of the conduit adjusting member 11 are installed in the vicinity of the openings of the conduits 1 and 1 connected to the manhole M, respectively. The connection conduits 45 and 46 are connected to the respective girrange portions 17 and 17 of the member main bodies 12 and 12. In this way, the pipeline 1
The water flowing in the manhole M flows in the connecting pipes 45 and 46 without flowing into the manhole M, and the repair work in the manhole M can be easily performed.

Further, for example, as shown in FIG. 8, the openings of the pipe lines 1 and 1 connected to the manhole M are manhole M.
When it is formed in the vicinity of the bottom part of the flexible conduit 4, the flexible conduit 4 having flexibility is provided in the gilanged portions 17 and 17 of the member bodies 12 and 12 installed near the openings of the conduits 1 and 1, respectively.
By connecting 7 and arranging the flexible conduit 47 so as to be bent so as to bypass the work place, it is possible to easily perform work at a repair place such as the bottom of the manhole M.

Thus, in the manhole M, etc.,
The conduit adjusting member 1 is provided in the vicinity of the openings of the respective conduits 1, 1.
By providing the member main bodies 12 and 12 of Nos. 1 and 11 and connecting the member main bodies 12 and 12 with the connecting pipe lines 45 and 46 or the flexible pipe line 47 or the like, conventionally, it is necessary for repair work in the manhole M. It is possible to eliminate the need for cutting (detour) and simplify the work. In addition, the manhole M has three or more pipelines 1,
1 ... is formed, the respective pipelines 1, 1 ...
The member bodies 12, 12, ... Are installed in the
Connection pipes may be connected to the flange portions 17, 17 ... Of 2, 12 ,.

Here, for example, in the case of a manhole M in which three pipelines 1, 1, ... Are formed, as shown in FIG. 9, each of the pipelines 1, 1 is formed by a three-forked connecting pipeline 48.
A manhole M in which four member ducts 1, 1 ... Are formed by connecting the member bodies 12, 12 ...
In the case of, as shown in FIG.
9 may be used to connect the member main bodies 12, 12 ... Installed near the openings of the respective pipelines 1, 1.

Further, in FIG. 11, reference numeral 51 designates a suitable conduit adjusting member provided in the conduit 1 through which water pressurized especially at high pressure flows. That is, the pipe line adjusting member 51 includes three sealing mechanisms 16, 16 on the outer peripheral side of the pipe body 14.
... are provided, and further, these sealing mechanisms 16, 16 ...
The fixing mechanisms 15, 15 ... Are provided between the respective members at predetermined intervals in the circumferential direction. Further, according to the pipe line adjusting member 51, more seal mechanisms 16, 16 ... And fixing mechanisms 15, 15 ... Are provided in the axial direction than the pipe line adjusting members 11, 41 of the embodiment. Therefore, it is possible to sufficiently withstand the water pressure even in the pipeline 1 through which the pressurized water flows.

As described above, according to the pipe line adjusting members 11, 41 and 51 of this embodiment, the pipe line adjusting members 11, 41 and 51 are very easily installed in the pipe line 1 to stop the water inside the pipe line 1 and stop the water flow. It is possible to easily perform repair work and the like on the downstream side of the water location. Further, since the fixing mechanism 15 firmly fixes the inside of the pipe line 1 and the sealing mechanism 16 surely seals, the running water in the pipe line 1 can be surely stopped. That is, even if the water flowing in the conduit 1 is pressurized, it is possible to reliably stop the pressurized water.

Further, since the fixing mechanism 15 and the sealing mechanism 16 are used to attach / detach to / from the pipe line 1, it is possible to make it versatile so that it can be used any number of times and to stop the water very economically. it can. Further, since it can be installed while flowing water in the pipe line 1, it is possible to eliminate the need for cutting off the flowing water at the time of stopping water, which is conventionally required, and to simplify the work for stopping water. it can. Further, by attaching the lid body 13 having the valve 43 to the flange portion 17, it is possible to cause a certain amount of water to flow into the pipeline 1 for repair work, and it is necessary only to stop water conventionally. After all, the cutting can be made unnecessary.

Further, the member main bodies 12, 12 are connected to each other by connecting pipes 45, 46 or a flexible pipe 4 having flexibility.
7 and the like, so that, for example, in the manhole M or the like, the member main bodies 12, 12 ... Are installed near the openings of the respective pipelines 1, 1 ,. By connecting them, it becomes possible to perform repair work or the like in the manhole M without constructing a cutting piece. Furthermore, three or more member bodies 12, 12, ... Are connected by using a plurality of branched connecting pipes such as a three-way connecting pipe 48 and a cross connecting pipe 49. The running water can be combined.

Further, in the conduit adjusting member 11 of the above-mentioned embodiment, the skirt 18 which is further expanded in diameter at the peripheral portion of the flange portion 17 by fixing the lid 13 to the flange portion 17.
As a result of being formed, it is possible to further improve the sealing performance between the outer circumference of the pipe body 14 and the inner circumference of the pipe passage 1. Further, by connecting the flange portions 17 of the conduit adjusting member 11 to each other, the plurality of conduit adjusting members 11 can stop the water in the conduit 1 having a higher water pressure.

Next, the conduit adjusting member of another embodiment will be described. Pipe line adjusting member 61 shown in FIGS. 12 and 13.
A pin nut 62 shown in FIG. 14 is fitted to the fixing plate 22 of the fixing mechanism 15, and the pin nut 62 is formed with a female screw 63 so as to open to the tube body 14 side. The tube body 14 has a male screw 63 and a male screw 64 at the tip.
A freely fixing bolt 65 is provided in a state in which is screwed. The universal fixing bolt 65 has a spherical portion 66 in the middle portion.
Is formed, and the spherical portion 66 is a hemispherical concave portion 6
It is attached to the tube body 14 in a state of being sandwiched from both sides by a pair of attachment members 68 in which 7 is formed. This allows
The universal fixing bolt 65 is rotatably supported by the pipe body 14 in a state in which its axial movement is restricted. The opposite side of the male screw 64 of the universal fixing bolt 65 is projected into the tube body 14 and a head portion 69 for fastening is provided on the projecting portion.

Then, the free fixing bolt 65 supported by the tube body 14 is attached to the female screw 63 of the fixing plate 22 by the male screw 64.
By tightening the head 69 in the pipe body 14 in a direction to release the screwing with the fixing plate 22, the fixing plate 22 with which the universal fixing bolts 65 are screwed is moved outward in the radial direction of the pipe body 14, The pipe body 14 is abutted against the inner peripheral surface of the passage 1, whereby the pipe body 14 is fixed to the pipe passage 1 in a state of being arranged substantially concentrically.

Further, as shown in FIG. 12, the seal mechanism 16 has, for example, a circle shown in FIG. 15 on the inner peripheral side of an annular rubber ring 32 slidably provided in an annular recess 31. Three pressing members 70 each having an arc shape divided into three parts are fitted in a circle. Then, the pressing members 70 are formed with female screws 71 at predetermined positions along the radial direction. The pressing members 70 are fitted to the rubber ring 32 in a state where the female screws 71 are opened on the tube body 14 side. There is. The tube body 14 is provided with a freely pressing bolt 73 in a state where a male screw 72 at the tip is screwed into the female screw 71. The universal pressing bolt 73 has a spherical portion 74 formed at an intermediate portion thereof, and the spherical portion 74 is sandwiched from both sides by a pair of mounting members 76 having a hemispherical concave portion 75 formed therein. Is attached to. As a result, the universal pressing bolt 73 is rotatably supported by the pipe body 14 in a state in which its axial movement is restricted. And the free pressure bolt 7
The opposite side of the male screw 72 of No. 3 is projected into the tubular body 14 and a head portion 77 for fastening is provided at the projected portion.

Then, the free pressing bolt 73 supported by the tube body 14 is screwed into the female screw 7 of the pressing member 70 by the male screw 72.
By tightening with the head 77 in the tube body 14 in the direction to release the screwing with 1, the pressing member 70 with which these universal pressing bolts 73 are screwed is moved outward in the radial direction of the tube body 14. , The diameter of the rubber ring 32 is expanded outward in the radial direction, and the outer peripheral surface of the rubber ring 32 is pressed against the inner peripheral surface of the conduit 1 to be in close contact therewith. As a result, the outer peripheral surface of the pipe body 14 and the inner peripheral surface of the conduit 1 are sealed.

In addition, a flange portion 78 is formed on the outer side in the radial direction at the end portion of the tube body 14 opposite to the side where the lid body 13 is attached, and the flange portion 78 has a mounting member 79.
An inflow guide rubber plate 81, which is a guide member, is attached via a mounting bolt 80. The inflow guide rubber plate 81 has a tapered shape in which the inner peripheral portion on one end side has substantially the same diameter as the inner peripheral portion of the tube body 14, and the other end side has substantially the same diameter as the inner peripheral portion of the conduit 1. Since it is attached to the pipe body 14 on the small diameter side, it extends from the inner peripheral portion of the pipe body 14 to the inner peripheral portion of the pipe passage 1. In addition, reference numeral 82 in the figure denotes an inflow guide rubber plate 8
A washer is embedded in the portion through which the mounting bolt 80 of No. 1 is inserted in order to ensure strength.

According to the conduit adjusting member 61 having such a structure, the same effects as those of the above-described embodiment can be obtained as a matter of course.
Further, the universal fixing bolt 65 and the universal pressing bolt 73
However, since the length of the portion on the side of the heads 69 and 77 protruding inside the pipe body 14 is constant and the length can be shortened, the wear due to the fluid can be minimized and the connecting pipe line can be provided. The resistance to the fluid can be reduced when the fluid is guided to another pipeline. Further, since the male screws 64 and 72 never project into the tube body 14, it is possible to prevent the male screws 64 and 72 from coming into contact with dust in the fluid and being worn. In addition, since the inflow guide rubber plate 81 is attached to the inlet side of the pipe body 14, the fluid flowing from the conduit 1 into the pipe body 14 is smoothly guided into the pipe body 14 by the inflow guide rubber plate 81. At the same time, it is prevented from entering between the pipe body 14 and the pipe line 1. Therefore, the water stopping property can be further improved.

[0046]

As described above, according to the conduit adjusting member of the present invention, the following effects can be obtained. When performing repair work in a pipeline, it is extremely easy to install it inside the pipeline to stop the water inside the pipeline and easily perform repair work downstream of the water stop location. can do. Further, since the fixing mechanism firmly fixes the inside of the pipe and the sealing mechanism surely seals, it is possible to surely stop the running water in the pipe. That is, even if the water flowing in the pipe is pressurized, the pressurized water can be stopped without fail.

Further, since the fixing mechanism and the sealing mechanism are used to attach and detach the pipe, the versatility can be made to be used any number of times and the water can be stopped very economically. Further, since it can be installed while flowing water in the pipeline, it is possible to eliminate the need to cut off the flowing water when stopping water, which was conventionally necessary.
The work for stopping water can be simplified. Also,
By attaching a lid that has a valve to the flange, it is possible to run a certain amount of water into the pipeline, which is necessary for repair work. Can still be unnecessary.

Further, since the member main bodies can be connected to each other by a connecting pipe line or a flexible pipe line having flexibility, the member main body is installed near the opening of each pipe line in a manhole or the like. By connecting the respective member main bodies to each other, it becomes possible to perform repair work or the like in the manhole without constructing a cut.

Further, by using a free fixing bolt and a free pressing bolt for the fixing mechanism and the sealing mechanism, the amount of protrusion into the pipe body can be minimized, so that the wear due to the fluid can be minimized and the connecting pipe line can be formed. When it is provided and the fluid is guided to another pipeline, the resistance to the fluid can be reduced. in addition,
By providing the guide member on the inlet side of the pipe, the fluid flowing from the pipe into the pipe can be smoothly guided into the pipe, and the fluid can be prevented from entering between the pipe and the pipe. The water content can be further improved.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a pipeline adjusting member installed in a pipeline for explaining a configuration, a structure, and a usage state of the pipeline adjusting member according to an embodiment of the present invention.

FIG. 2 is a perspective view of the conduit adjusting member for explaining the configuration and structure of the conduit adjusting member according to the embodiment of the present invention.

FIG. 3 is a side view of the fixing mechanism for explaining the configuration and structure of the fixing mechanism of the conduit adjusting member according to the embodiment of the present invention.

FIG. 4 is a side view of the fixing mechanism for explaining the configuration and structure of another fixing mechanism for the conduit adjusting member according to the embodiment of the present invention.

FIG. 5 is a cross-sectional view of the seal mechanism for explaining the configuration and structure of the seal mechanism of the conduit adjusting member according to the embodiment of the present invention.

FIG. 6 is a sectional view of a conduit adjusting member installed in a conduit for explaining the configuration and structure of the conduit adjusting member according to another embodiment of the present invention.

FIG. 7 is a cross-sectional view of a manhole in a state where a member main body is installed in a conduit for explaining an example of use of the conduit adjusting member of the embodiment of the present invention in a manhole.

FIG. 8 is a cross-sectional view of a manhole in a state where a member main body is installed in a conduit for explaining an example of use of the conduit adjusting member of the embodiment of the present invention in a manhole.

FIG. 9 is a schematic piping diagram illustrating an example of connection between pipelines using the pipeline adjusting member according to the embodiment of the present invention.

FIG. 10 is a schematic piping diagram for explaining an example of connection between pipelines using the pipeline adjusting member according to the embodiment of the present invention.

FIG. 11 is a sectional view of a conduit adjusting member installed in a conduit for explaining the configuration and structure of the conduit adjusting member of another embodiment of the present invention.

FIG. 12 is a sectional view of a conduit adjusting member according to still another embodiment of the present invention.

FIG. 13 is a view showing a fixing mechanism of a conduit adjusting member according to still another embodiment of the present invention as viewed from above in FIG.

FIG. 14 is a perspective view showing a pin nut of a fixing mechanism of a conduit adjusting member according to still another embodiment of the present invention.

FIG. 15 is a perspective view showing a pressing member of a seal mechanism for a conduit adjusting member according to still another embodiment of the present invention.

FIG. 16 is a cross-sectional view of a pipeline for explaining a conventional waterproofing method.

FIG. 17 is a cross-sectional view of a pipeline for explaining a conventional waterproofing method.

FIG. 18 is a cross-sectional view of a pipeline for explaining a conventional waterproofing method.

FIG. 19 is a cross-sectional view of a pipeline for explaining a conventional waterproofing method.

[Explanation of symbols]

 1 Pipeline 11, 41, 51, 61 Pipeline adjustment member 12 Member main body 13 Lid body 14 Pipe body 15 Fixing mechanism 16 Sealing mechanism 22 Fixing plate 24 Fixing bolt 31 Recess 32 Rubber ring 33 Annular plate 35 Pressing bolt 42 Opening 43 Valve 63 Female screw 65 Universal fixing bolt 70 Pressing member 71 Female screw 73 Universal pressing bolt 81 Inflow guide rubber plate (guide member)

Claims (7)

[Claims] 1. A conduit adjusting member for interrupting or changing a conduit through which a fluid flows, wherein the conduit has a diameter smaller than that of the conduit, and an interval is circumferentially provided on an outer peripheral side of the conduit. A plurality of fixing mechanisms are provided for fixing the pipe body in the pipe passage, and a sealing mechanism provided on the outer peripheral side of the pipe body for sealing between the pipe body and the pipe passage, and A conduit adjusting member, characterized in that a lid for sealing the inside of the pipe or a connecting conduit communicating with the inside of the pipe is attached to an end of the pipe. 2. A lid body for sealing the inside of the pipe body is attached to an end portion of the pipe body, and an opening portion is formed in the lid body. 2. A valve which can adjust its opening is provided.
The described conduit adjusting member. 3. The fixing mechanism includes a fixing plate supported on the outer peripheral side of the pipe body so as to be movable in a radial direction of the pipe body.
And a fixing bolt screwed from the inner peripheral side of the pipe body, by tightening the fixing bolt from the inside of the pipe body,
The conduit adjusting member according to claim 1 or 2, wherein the fixing plate is moved outward in the radial direction of the pipe body by the tip portion of the fixing bolt to press the fixing plate against the conduit. . 4. The fixing mechanism is supported on the outer peripheral side of the tubular body so as to be movable in the radial direction of the tubular body, and has a fixed plate formed with a female screw, and a state in which axial movement is restricted. And a freely fixing bolt that is rotatably supported by the tube body and that is screwed into the female screw and tightened from the inner peripheral side of the tube body. The freely fixing bolt is tightened from the inside of the tube body. Accordingly, the fixing plate screwed into the universal fixing bolt is moved outward in the radial direction of the pipe body to press the fixing plate into the pipe line. Pipe line adjustment member. 5. The seal mechanism comprises an annular recess formed along the circumferential direction on the outer peripheral side of the tubular body, and an annular rubber ring slidably provided in the recess. And a pressing member provided on the inner peripheral side of the rubber ring, and a pressing bolt screwed from the inner peripheral side of the tubular body. The pressing bolt is tightened from the inside of the tubular body and the pressing The rubber ring is expanded in diameter by moving the pressing member outward in the radial direction of the pipe body by the tip of the bolt, and the outer peripheral surface of the rubber ring is pressed against the pipe line to be in close contact. Item 5. The conduit adjusting member according to any one of items 1 to 4. 6. The sealing mechanism comprises an annular recess formed along the circumferential direction on the outer peripheral side of the tubular body, and an annular rubber ring slidably provided in the recess. And a pressing member provided on the inner peripheral side of the rubber ring and having a female screw formed thereon, and rotatably supported by the pipe body in a state in which axial movement is restricted and screwed to the female screw. And a universal pressing bolt which is tightened from the inner peripheral side of the tubular body. The universal pressing bolt is tightened from the inside of the tubular body, and a pressing member screwed to the universal pressing bolt is provided outside the radial direction of the tubular body. The conduit adjusting member according to any one of claims 1 to 4, wherein the rubber ring is expanded in diameter toward the conduit to press the outer peripheral surface of the rubber ring into close contact with the conduit. 7. A tapered guide extending from an inner peripheral portion of the pipe body to an inner peripheral portion of the pipe passage, at an end portion of the pipe body opposite to a mounting side of the lid body or the connecting pipe passage. 7. A conduit adjusting member according to claim 1, wherein a member is attached.