KR101726330B1 - The flow cutoff device for repairing a pipe - Google Patents

The flow cutoff device for repairing a pipe Download PDF

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Publication number
KR101726330B1
KR101726330B1 KR1020160075886A KR20160075886A KR101726330B1 KR 101726330 B1 KR101726330 B1 KR 101726330B1 KR 1020160075886 A KR1020160075886 A KR 1020160075886A KR 20160075886 A KR20160075886 A KR 20160075886A KR 101726330 B1 KR101726330 B1 KR 101726330B1
Authority
KR
South Korea
Prior art keywords
blocking plate
branch pipe
gate
branch
housing
Prior art date
Application number
KR1020160075886A
Other languages
Korean (ko)
Inventor
이흥관
Original Assignee
이흥관
(주)한성공영
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 이흥관, (주)한성공영 filed Critical 이흥관
Priority to KR1020160075886A priority Critical patent/KR101726330B1/en
Application granted granted Critical
Publication of KR101726330B1 publication Critical patent/KR101726330B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
    • F16L41/16—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe the branch pipe comprising fluid cut-off means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10—Means for stopping flow from or in pipes or hoses
    • F16L55/105—Closing devices introduced radially into the pipe or hose
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/18—Appliances for use in repairing pipes

Abstract

One embodiment of the present invention relates to a piping repair flow passage interrupter, which is arranged on an outer circumferential surface of a branch pipe and a branch pipe extending in one direction from an upper housing and a lower housing, A branch opening / closing portion connected to the inside of the branch pipe to block or open the flow passage of the branch pipe, and a gate portion disposed between the branch pipe and the branch opening / closing portion, wherein the branch opening / And a driving module connected to the blocking plate to rectilinearly move the blocking plate. The gate portion includes a gate housing having a through hole into which the blocking plate is inserted, A rotary arm rotatably connected to the housing by a hinge and a rotary shaft rotatably connected to a first rotary shaft of the rotary arm spaced from the hinge, And includes a rolling bar having a cylindrical shape.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a flow cut-

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a piping repair flow path breaking apparatus, and more particularly, to a piping repair flow path breaking apparatus capable of repairing a piping without a shortage.

FIG. 1 is a perspective view showing a piping repair flow path interrupter 1 according to the prior art, and FIG. 2 is a sectional view taken along line A-A 'in FIG.

1 and 2, a piping repair flow path interrupter 1 according to the related art includes a branch pipe 2, a shutoff plate 3 for blocking the branch pipe 2, and a shutoff plate 3 And a gate portion 4 having a through-hole. Here, the gate portion 4 includes a shut-off bar 5 that can open and close the through-hole. The shut-off bar (5) is pivotally connected to the gate part (4).

When the blocking plate 3 is inserted into the through-hole to block the flow path of the branch pipe 2, the blocking bar 5 is rotated upward. Therefore, while the blocking plate 3 is inserted into the through-hole, the end portion of the blocking bar 5 comes into contact with the blocking plate 3 to cause friction. In particular, the blocking plate 3 has a sealing member corresponding to the inner diameter of the branch pipe 2 at the upper portion thereof. As a result, there is a problem that the sealing member is damaged by the friction between the shut-off bar 5 and the shutoff plate 3. [

On the other hand, the blocking plate 3 is inserted into the branch pipe 2 through the through-hole. To this end, the blocking plate 3 is connected to the driving bar 6. However, the blocking plate 3 is pressed to the upper portion of the branch pipe 2 by water pressure inside the branch pipe 2. By pressing against the shield plate 3, an impact may be applied to the connection portion between the shield plate 3 and the drive bar 6. [ As a result, there is a problem that the connecting portion between the blocking plate 3 and the driving bar 6 is broken.

A piping repairing flow path breaking apparatus according to an embodiment of the present invention provides a gate portion that prevents breakage of a breaker plate inserted into a branch pipe.

In accordance with another aspect of the present invention, there is provided a branch pipe opening / closing unit capable of preventing breakage occurring at a connection portion between a shutoff plate and a drive screw due to water pressure.

According to an aspect of the present invention, there is provided a pipe line repairing apparatus for repairing piping, comprising: an upper housing and a lower housing disposed opposite to each other and surrounding a pipe; A branch opening / closing portion disposed on an outer circumferential surface of the branch pipe and connected to the inside of the branch pipe to block or open the flow path of the branch pipe, and a gate portion disposed between the branch pipe and the branch opening / closing portion Wherein the branch opening / closing portion includes a blocking plate disposed substantially perpendicular to the central axis of the branch pipe, a blocking plate case for receiving the blocking plate, and a driving module connected to the blocking plate to linearly move the blocking plate, Wherein the gate portion includes a gate housing having a through-hole into which the blocking plate is inserted, a hinge And a rolling bar rotatably connected to a first rotary shaft of the rotary arm spaced from the hinge, the rotary bar having a cylindrical shape.

When the blocking plate passes through the through-hole of the gate housing, the blocking plate is rotated about the hinge by the blocking plate. At this time, the rolling bar rotates with respect to the rotation axis of the rotary rock by the movement of the blocking plate. Therefore, friction between the blocking plate and the rolling bar can be minimized. Thereby, breakage of the shielding plate can be prevented. In particular, in order to prevent breakage of the shielding plate, the rolling bar may include rubber having elasticity to prevent breakage of the shielding plate.

The gate housing is disposed in the periphery of the through-hole, and has a receiving groove recessed toward the branch opening / closing portion corresponding to the rolling bar.

The receiving groove corresponds to a cylindrical rolling bar. Therefore, the rolling bar can be brought into close contact with the receiving groove disposed in the periphery of the through-hole. That is, the rolling bar seals the through-hole to prevent the fluid from flowing into the through-hole.

The branching block may further include a connecting block connected to the driving module and linearly moving, and the connecting block is inserted into the blocking plate so as to be able to flow in the vertical direction of the blocking plate.

When the blocking plate connected to the driving screw is inserted into the branch pipe, the blocking plate is pressed to the upper portion of the branch pipe by the water pressure. The connecting block is inserted into the blocking plate so as to be able to flow in the vertical direction of the blocking plate. Therefore, even if the blocking plate is pressed to the upper portion of the branch pipe, no moment is generated in the driving screw by the connecting block. That is, breakage between the blocking plate and the driving screw can be prevented.

The gate unit may further include a lever connected to a second rotation axis of the rotation arm disposed coaxially with the hinge to rotate the rotation arm.

Further, the gate unit may further include a fixing pin for fixing at least one of the lever and the second rotation shaft.

When foreign matter is inserted into the through hole of the gate housing, the rolling bar may not seal the through hole. At this time, the rotary arm can be rotated through the lever connected to the second rotary shaft. That is, the lever adjusts the position of the rolling bar, whereby the through-hole can be completely shielded. Further, the fixing pin fixes the lever or the second rotation shaft, and can arbitrarily prevent the rolling bar from rotating about the second rotation axis.

When the blocking plate passes through the through-hole of the gate housing, the blocking plate is rotated about the hinge by the blocking plate. At this time, the rolling bar rotates with respect to the rotation axis of the rotary rock by the movement of the blocking plate. Therefore, friction between the blocking plate and the rolling bar can be minimized. Thereby, breakage of the shielding plate can be prevented. In particular, in order to prevent breakage of the shielding plate, the rolling bar may include rubber having elasticity to prevent breakage of the shielding plate.

The receiving groove corresponds to a cylindrical rolling bar. Therefore, the rolling bar can be brought into close contact with the receiving groove disposed in the periphery of the through-hole. That is, the rolling bar seals the through-hole to prevent the fluid from flowing into the through-hole.

When the blocking plate connected to the driving screw is inserted into the branch pipe, the blocking plate is pressed to the upper portion of the branch pipe by the water pressure. The connecting block is inserted into the blocking plate so as to be able to flow in the vertical direction of the blocking plate. Therefore, even if the blocking plate is pressed to the upper portion of the branch pipe, no moment is generated in the driving screw by the connecting block. That is, breakage between the blocking plate and the driving screw can be prevented.

When foreign matter is inserted into the through hole of the gate housing, the rolling bar may not seal the through hole. At this time, the rotary arm can be rotated through the lever connected to the second rotary shaft. That is, the lever adjusts the position of the rolling bar, whereby the through-hole can be completely shielded. Further, the fixing pin fixes the lever or the second rotation shaft, and can arbitrarily prevent the rolling bar from rotating about the second rotation axis.

FIG. 1 is a perspective view showing a pipeline repairing flow path breaking apparatus according to the prior art.
2 is a cross-sectional view taken along line A-A 'in Fig.
FIG. 3 is a perspective view showing a piping repairing flow path breaking apparatus according to an embodiment of the present invention. FIG.
4 is an exploded perspective view showing the branch opening / closing portion shown in Fig.
5 is a sectional view of the branch opening / closing portion shown in Fig.
6 is a perspective view showing an embodiment of the connection block shown in FIG.
7 is a perspective view showing another embodiment of the connection block shown in FIG.
8 is a perspective view showing the gate portion shown in Fig.
9 is a perspective view illustrating a rolling bar according to an embodiment of the present invention.
10 and 11 are views for explaining the operation of the rolling bar shown in Fig.
12 is a front view showing first and second receiving grooves according to an embodiment of the present invention.
13 is a perspective view illustrating a lever and a fixing pin according to an embodiment of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a piping repair flow passage blocking device 10 according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

3 is an exploded perspective view showing a branch pipe opening / closing part 400 shown in FIG. 3, and FIG. 5 is an exploded perspective view showing the branch pipe opening / closing part 400 shown in FIG. Sectional view of the branch opening / closing part 400 shown in Fig.

3 to 5, a piping repair flow passage blocking device 10 according to an embodiment of the present invention includes an upper housing 100, a lower housing 200, a branch pipe 300, A branch opening / closing unit 400 and a gate unit 500.

The upper housing (100) surrounds the upper portion of the pipe (11). The lower housing (200) surrounds the lower portion of the pipe (11). That is, the upper housing 100 and the lower housing 200 are disposed opposite to each other with the pipe 11 interposed therebetween. The upper housing 100 and the lower housing 200 may be bolted to each other.

The branch pipe (300) can be disposed on one side of the upper housing (100). The branch pipe 300 may extend from the upper housing 100 in one direction. The branch connecting portion 300a may be disposed on the upper portion of the branch pipe 300. [ The branch pipe connecting portion 300a may be provided with a perforator (not shown) for perforating the pipe 11 therein.

The branch opening / closing part 400 is disposed at one side of the branch pipe 300 to block or open the flow path of the branch pipe 300. Specifically, the branch opening / closing part 400 may be disposed on the outer peripheral surface of the branch pipe 300. A gate portion 500 is disposed between the branch opening / closing portion 400 and the branch pipe 300. The gate unit 500 will be described later in detail.

The branch opening / closing unit 400 may include a blocking plate 410, a blocking plate case 430, and a driving module 450. The blocking plate 410 may be inserted into the branch pipe 300 to block or open the flow path of the branch pipe 300. The blocking plate 410 may comprise a steel material. Further, the blocking plate 410 may have a plate shape. In particular, the blocking plate 410 may have an arc corresponding to the inner diameter of the branch pipe 300. A sealing member 411 may be disposed on the upper surface of the blocking plate 410. The sealing member 411 closes the space between the blocking plate 410 and the branch pipe 300 so that the flow path of the branch pipe 300 can be blocked.

The shield plate case 430 receives the shield plate 410. That is, the shield plate 410 can be inserted into the shield plate case 430. The driving module 450 can linearly move the blocking plate 410. In one embodiment, the drive module 450 may include a motor 453 and a drive screw 451. The driving screw 451 may be connected to the blocking plate 410. That is, one end of the driving screw 451 may be connected to the blocking plate 410, and the other end may be connected to the motor 453. The blocking plate 410 can linearly move between the branch pipe 300 and the blocking plate case 430 according to the rotating direction of the motor 453. [ Accordingly, the blocking plate 410 and the driving screw 451 can be screwed together.

When the blocking plate 410 is inserted into the branch pipe 300, the blocking plate 410 can be pressed toward the upper portion of the branch pipe 300 by water pressure. That is, a moment is generated in the driving screw 451 by the water pressure applied to the blocking plate 410. As a result, the space between the blocking plate 410 and the driving screw 451 can be broken. In order to solve such a problem, the branch opening / closing part 400 according to an embodiment of the present invention may further include a connection block 470.

FIG. 6 is a perspective view showing one embodiment of the connection block 470 shown in FIG. 4, and FIG. 7 is a perspective view showing another embodiment of the connection block 470 shown in FIG.

Referring to FIG. 6, the connection block 470 may be disposed between the blocking plate 410 and the driving module 450. In one embodiment, the connection block 470 may include a T-shaped body 470a and a screw engaging portion 470b screwed to the drive screw 451. [ In addition, the blocking plate 410 may have a T-shaped groove corresponding to the T-shaped body 470a. Accordingly, the connection block 470 can be inserted into the T-shaped groove of the blocking plate 410. [ At this time, the connecting block 470 can be inserted into the blocking plate 410 so as to be able to flow. Accordingly, when a moment due to the water pressure is generated, the connecting block 470 can be partially moved up and down the blocking plate 410. As a result, breakage between the blocking plate 410 and the connection block 470 can be prevented.

In another embodiment, the connection block 470 may be fluidly inserted into the blocking plate 410. Referring to FIG. 7, the blocking plate 410 may have an insertion space 471. In addition, the blocking plate 410 may have an opening 472 that exposes the insertion space 471. The connection block 470 is inserted into the insertion space 471. The connection block 470 may be connected to the drive screw 451 through the opening 472. The connection block 470 may have a rectangular parallelepiped shape. Here, the connection block 470 can be inserted into the insertion space 471 so as to be able to flow up and down. Thus, breakage between the blocking plate 410 and the driving screw 451 can be prevented.

9 is a perspective view showing a rolling bar 550 according to an embodiment of the present invention, and FIGS. 10 and 11 are cross- FIG. 12 is a front view showing the first and second receiving grooves 513 and 515 according to an embodiment of the present invention.

Referring to FIGS. 8 to 12, the gate unit 500 may be disposed between the branch pipe 300 and the branch opening / closing unit 400. The gate unit 500 may be connected to the inside of the branch pipe 300. The gate unit 500 includes a gate housing 510 having a through hole 511 and a first receiving groove 513 and a second receiving groove 515, a rotary arm 530, a rolling bar 550, . ≪ / RTI >

The gate housing 510 may include a first housing 510a and a second housing 510b. Here, the second housing 510b may include a through hole 511 and first and second receiving grooves 513 and 515. The blocking plate 410 may be moved into the branch pipe 300 through the through-hole 511. The first receiving groove 513 may be disposed at both ends of the through-hole 511. The first receiving groove 513 may be recessed toward the branch opening / closing portion 400 corresponding to the rolling bar 550 described later. The second receiving groove 515 may be disposed at the upper end and the lower end of the through hole 511, respectively. The second receiving groove 515 may extend along the longitudinal direction of the through hole 511. The second receiving groove 515 may be chamfered for seating of the rolling bar 550, which will be described later. The first and second receiving grooves 513 and 515 facilitate the seating of the rolling bar 550 and seal the through hole 511. [

The rotary rocking arm 530 may be hingedly connected to the gate housing 510. That is, the rotary rock 530 can be rotated about the second hinge axis 533. The rotary rock 530 may have first and second rotary shafts 531 and 533. Specifically, one end of the rotary rock 530 may be connected to the gate housing 510 by a hinge. The other end of the rotary rock 530 may be connected to a rolling bar 550, which will be described later.

The rolling bar 550 may have a cylindrical shape. Both ends of the rolling bar 550 can be supported by the rotary rocking arm 530. Here, the rolling bar 550 may be rotatably connected to the rotary rocker 530. That is, the rolling bar 550 can rotate around the first rotation axis 531 of the rotary rocking arm 530. Meanwhile, the rolling bar 550 may include elastic means. For example, the rolling bar 550 may comprise rubber. Therefore, when the rolling bar 550 contacts the blocking plate 410, the impact can be mitigated. Thereby, breakage of the blocking plate 410 can be prevented. In another embodiment, elastic means may be disposed on at least one of the outer circumferential surface of the rolling bar 550 or the perimeter of the through-hole 511 corresponding to the rolling bar 550. As a result, the hermeticity can be improved.

13 is a perspective view showing a lever 570 and a fixing pin 590 according to an embodiment of the present invention.

9 and 13, the gate unit 500 according to an embodiment of the present invention may further include a lever 570 and a fixing pin 590. [ The lever 570 is connected to the second rotary shaft 533 of the rotary rocker 530 to rotate the rotary rocker 530. When the foreign material is inserted into the through hole 511 of the gate housing 510, the rolling bar 550 may not seal the through hole 511. At this time, the rotary arm 530 can be rotated through the lever 570 connected to the second rotary shaft 533. That is, the lever 570 adjusts the position of the rolling bar 550, whereby the through-hole 511 can be completely shielded

Meanwhile, the fixing pin 590 may be inserted into the fixing groove 591 through the lever 570. The fixing groove 591 may be disposed in the gate housing 510. Thus, the lever 570 can be fixed by the fixing pin 590. Thereby, the second rotation shaft 533 is fixed and can not rotate. The fixing pin 590 can prevent the rotating rocking arm 530 from being rotated arbitrarily.

Up to now, the configuration of the pipeline repair flow passage interrupter 10 according to the embodiment of the present invention has been described. Hereinafter, the operation of the piping repair flow passage interrupter 10 according to the embodiment of the present invention will be described.

3 to 5 and 9 to 11, the blocking plate 410 can be linearly moved by the driving module 450. That is, the blocking plate 410 may be inserted into or removed from the branch pipe 300 by the drive module 450. Here, the blocking plate 410 may be inserted into the branch pipe 300 through the gate unit 500. That is, the blocking plate 410 can pass through the through hole 511 and enter the inside of the gate unit 500. At this time, the rotary rocker 530 rotates about the second rotary shaft 533. The rolling bar 550 is rotated about the second rotary shaft 533 by the rotary rocking arm 530.

On the other hand, the rolling bar 550 rotates about the first rotating shaft 531 of the rotating arm 530. Accordingly, the rolling bar 550 is rotated with respect to the first rotating shaft 531 by contact with the blocking plate 410. [ Thereby, friction between the blocking plate 410 and the rolling bar 550 can be minimized. Therefore, breakage of the blocking plate 410 can be prevented.

Although the invention made by the present inventors has been described concretely with the above embodiments, the present invention is not limited to the above embodiments, and it goes without saying that various changes can be made without departing from the gist of the present invention.

INDUSTRIAL APPLICABILITY The present invention can be applied to a technique relating to a piping repair flow path interrupter for repairing piping.

10: Flow cutoff device for piping maintenance
100: upper housing
200: Lower housing
300: Branch engine
400: branch opening / closing section
500: gate part
510: gate housing
530:
550: Rolling bar
570: Lever
590: Fixing pin

Claims (5)

An upper housing and a lower housing disposed opposite to each other and surrounding the pipe;
A branch pipe extending in one direction from the upper housing;
A branch opening / closing unit disposed on an outer peripheral surface of the branch pipe and connected to the inside of the branch pipe to block or open the flow path of the branch pipe; And
And a gate portion disposed between the branch pipe and the branch opening / closing portion,
The branch opening /
A blocking plate disposed substantially perpendicular to the central axis of the branch pipe;
A shield plate case for receiving the shield plate; And
And a driving module connected to the blocking plate to rectilinearly move the blocking plate,
The gate unit includes:
A gate housing having a through-hole into which the blocking plate is inserted;
A rotary arm rotatably connected to the gate housing by a hinge; And
A rolling bar rotatably connected to a first rotation shaft of the rotary arm spaced from the hinge and having a cylindrical shape,
Wherein the gate housing comprises:
And a concave receiving groove provided in the periphery of the through-hole and corresponding to the rolling bar. delete The method according to claim 1,
Wherein the branch opening / closing unit further includes a connecting block connected to the driving module and linearly moving,
Wherein the connecting block is inserted into the blocking plate so as to be able to flow in a vertical direction of the blocking plate. The method according to claim 1,
Wherein the gate further comprises a lever connected to a second rotary shaft of the rotary arm arranged coaxially with the hinge to rotate the rotary arm. 5. The method of claim 4,
And the gate portion further includes a fixing pin for fixing at least one of the lever and the second rotation shaft.
KR1020160075886A 2016-06-17 2016-06-17 The flow cutoff device for repairing a pipe KR101726330B1 (en)

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Application Number Priority Date Filing Date Title
KR1020160075886A KR101726330B1 (en) 2016-06-17 2016-06-17 The flow cutoff device for repairing a pipe

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Application Number Priority Date Filing Date Title
KR1020160075886A KR101726330B1 (en) 2016-06-17 2016-06-17 The flow cutoff device for repairing a pipe

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Publication Number Publication Date
KR101726330B1 true KR101726330B1 (en) 2017-04-13

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210124623A (en) 2020-04-07 2021-10-15 현대건설주식회사 Pipe blocking device for preventing inflow of foreign material method for cutting pipe using the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100640150B1 (en) * 2005-12-12 2006-11-01 현대엔지니어링 주식회사 A cover of vanishing type gate for weir and dam
KR101403700B1 (en) * 2014-01-24 2014-06-05 이기완 Knife stopping water valve
KR101549933B1 (en) * 2015-04-08 2015-09-04 장남종 Device for blocking water pipe in the knife stopping method
KR101568737B1 (en) * 2015-04-08 2015-11-13 장남종 Knife stopping water pipe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100640150B1 (en) * 2005-12-12 2006-11-01 현대엔지니어링 주식회사 A cover of vanishing type gate for weir and dam
KR101403700B1 (en) * 2014-01-24 2014-06-05 이기완 Knife stopping water valve
KR101549933B1 (en) * 2015-04-08 2015-09-04 장남종 Device for blocking water pipe in the knife stopping method
KR101568737B1 (en) * 2015-04-08 2015-11-13 장남종 Knife stopping water pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210124623A (en) 2020-04-07 2021-10-15 현대건설주식회사 Pipe blocking device for preventing inflow of foreign material method for cutting pipe using the same

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