KR20190143104A - Packer - Google Patents

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Publication number
KR20190143104A
KR20190143104A KR1020180070641A KR20180070641A KR20190143104A KR 20190143104 A KR20190143104 A KR 20190143104A KR 1020180070641 A KR1020180070641 A KR 1020180070641A KR 20180070641 A KR20180070641 A KR 20180070641A KR 20190143104 A KR20190143104 A KR 20190143104A
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KR
South Korea
Prior art keywords
injection
coupling member
hole
fastened
unit
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KR1020180070641A
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Korean (ko)
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KR102116847B1 (en
Inventor
이성미
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수형산업개발 유한회사
이성미
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Priority to KR1020180070641A priority Critical patent/KR102116847B1/en
Publication of KR20190143104A publication Critical patent/KR20190143104A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00—Working measures on existing buildings
    • E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0203—Arrangements for filling cracks or cavities in building constructions
    • E04G23/0211—Arrangements for filling cracks or cavities in building constructions using injection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0278—Arrangement or mounting of spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)

Abstract

The present invention relates to a filler injection packer comprising: a coupling member including a through-hole inside, into which a filler is injected, a space portion with an expanded inside diameter at one end of the through-hole, and thread portions formed along an outside diameter at both ends; a nozzle unit coupled to the thread portion at one end of the coupling member and having a nozzle hole; a steel ball inserted into the space portion of the coupling member; an elastic member configured to elastically support the steel ball to the through-hole; cylindrical rubber tubes inserted into the outside diameter of the coupling member; and an injection unit fastened to the thread portion at the other end of the coupling member and having an injection hole therethrough to which the filler is injected. The injection unit includes: a fixed unit fastened to the thread portion formed at the other end of the coupling member, having a first injection hole therein, and a first fastening portion formed at one end; and a separated unit having a second fastening portion at an end to be fastened to the first fastening portion of the fixed unit and a second injection hole therein. Since the injection unit is divided into the fixed unit and the separated unit and the fixed unit and the separated unit are fastened to each other through the first and second fastening portions, the separated unit can be easily separated from the fixed unit by rotating the separated unit after the filler injected. Therefore, it is possible to prevent the filler from flowing back out of the fixing holes after the filler injected, by fundamentally avoiding the weakening of holding and coupling force between fixing holds and the components such as the rubber tubes tightly held in the fixing holes.

Description

보수재 주입용 패커{PACKER}Packer for injecting maintenance materials {PACKER}

본 발명은 보수재 주입용 패커에 관한 것으로서, 특히, 각종 콘크리트 구조물의 균열 또는 부분적인 손상부위를 보강하기 위하여 폴리우레탄, 에폭시 등의 보수재가 원활히 주입되도록 함과 아울러 주입된 보수재의 역류 또는 누출을 방지하는 보수재 주입용 패커가 콘크리트 구조물에 천공된 정착공에 취부된 상태에서 오랜기간이 경과하더라도 고무관이 변형되거나 정착공으로 누설되거나 보수재가 정착공으로 역류하여 누설되는 것을 방지하는 보수재 주입용 패커에 관한 것이다.The present invention relates to a packer for injecting a repair material, and in particular, to reinforce the crack or partial damage of various concrete structures, and to smoothly inject a repair material such as polyurethane and epoxy to prevent backflow or leakage of the injected repair material. The present invention relates to a packer for repair material injection, which prevents the rubber tube from being deformed or leaked into the fixer or leaked from the repair material by flowing back to the fixer even after a long period of time in a state in which the packer for repair material injection is attached to the fixing hole drilled into the concrete structure.

일반적으로, 방수재는 콘크리트 구조물의 내부로 우수가 침투하지 못하도록 표면 또는 내부에 일정 두께로 도포하여 방수층을 형성하는 것으로서, 종래에는 주로 건물의 옥상이나 지하실이 내벽에 도포하였으나, 산업이 발전함에 따라 터널의 외벽이나 콘크리트로 타설된 옹벽의 배면 등에도 방수층을 형성하고 있다.In general, the waterproofing material is to form a waterproof layer by applying a certain thickness on the surface or inside to prevent rainwater from penetrating into the concrete structure, conventionally mainly on the roof or basement of the building applied to the inner wall, but as the industry develops A waterproof layer is also formed on the outer wall of the wall and the back surface of the retaining wall that is cast with concrete.

상기와 같이 방수층은 콘크리트 구조물 또는 터널 등의 형성과 함께 이루어지게 되는바, 먼저 콘크리트를 일정 두께로 타설하여 구조물 또는 터널의 외형을 형성한 후 그 배면 또는 내벽에 방수층을 형성한 다음 주변의 흙을 덮어 콘크리트 구조물의 배면을 보호하게 된다.As described above, the waterproofing layer is formed together with the formation of a concrete structure or a tunnel. First, the concrete is poured to a certain thickness to form the outer shape of the structure or the tunnel, and then the waterproofing layer is formed on the back or inner wall thereof. To protect the back of the concrete structure.

근래 교량이나 건축물등 각종 콘크리트 구조물의 노후 또는 부실시공으로 인하여 이들 콘크리트 구조물의 파손 및 붕괴와 같은 대형 사고가 빈번하게 발생됨에 따라, 이들 각종 콘크리트 구조물에 대한 안전도의 진단 및 그에 따른 보수, 보강 및 방수등의 대책이 시급한 실정에 있다. Recently, due to the aging or failure of various concrete structures such as bridges and buildings, large accidents such as breakage and collapse of these concrete structures frequently occur, so that the safety of these various concrete structures can be diagnosed and repair, reinforcement and waterproofing accordingly. There is an urgent need for such measures.

일예로서, 온도의 변화나 지진의 발생 등에 따른 영향을 고려하지 않은 건축물이나, 철근 콘크리트 구조물의 특성 및 날로 증가되는 교통량 등을 감안하지 않은 교량 등은 철저한 안전진단을 통하여 재설계 시공되어야 하는 것이 바람직하다. For example, buildings that do not take into account the effects of temperature changes or earthquakes, or bridges that do not take into account the characteristics of reinforced concrete structures and increased traffic volume, should be redesigned through thorough safety diagnosis. Do.

그러나, 상기와 같이 노후 또는 잘못 시공된 기존 구조물들을 전면 파괴하고 신설구조물로 재설계 시공한다는 것은, 막대한 예산과 공기가 소요될 뿐만 아니라, 기존 교량을 재시공할 경우에는 극심한 교통의 정체 내지 마비현상을 초래하게 되는 등의 문제점으로 인하여 그에 따른 대책을 마련하지 않는 한 실현이 불가능한 실정에 있다.However, if the old or wrongly constructed existing structures are completely destroyed and redesigned as new structures, not only the enormous budget and air cost but also the reconstruction of the existing bridges may cause severe traffic congestion or paralysis. Due to the problems, such as will be impossible to realize unless the countermeasures.

따라서, 상기와 같은 문제점과 난점을 감안하고 기존 콘크리트 구조물의 단점과 취약점을 보완, 보강하는 최선의 방법으로 각종 콘크리트 구조물의 균열 또는 부분적인 손상부위에 보수재 주입용 패커를 취부하여 폴리우레탄, 에폭시 등의 보수재(또는 방수재)를 주입하는 방법이 널리 사용되고 있다.Therefore, in consideration of the problems and difficulties described above, as a best way to supplement and reinforce the disadvantages and weaknesses of existing concrete structures, polyurethane, epoxy, etc. The method of injecting the repair material (or waterproof material) of the is widely used.

도 1은 종래의 보수재 주입용 패커를 나타낸 결합 사시도이고, 도 2는 종래의 보수재 주입용 패커의 분해 사시도이고, 도 3a 내지 도 3c는 종래 보수재 주입용 패커의 작용상태를 도시한 단면도이다.1 is a combined perspective view showing a conventional filler for repair material injection, Figure 2 is an exploded perspective view of a conventional filler for repair material injection, Figures 3a to 3c is a cross-sectional view showing the operation of the conventional filler for repair material injection.

여기서, 여기서, 도면부호 1은 노즐부, 1a는 나사부, 2는 고무관, 3은 결합부재, 3a는 관통공, 3b는 공간부, 4는 와샤, 5는 주입부, 6은 절단선, 7은 스프링, 8은 스틸볼이다.Here, reference numeral 1 denotes a nozzle part, 1a is a screw part, 2 is a rubber tube, 3 is a coupling member, 3a is a through hole, 3b is a space part, 4 is a washer, 5 is an injection part, 6 is a cutting line, 7 is Spring 8 is a steel ball.

종래의 보수재 주입용 패커는 도 1 내지 도 3c에 도시된 바와 같이, 노즐부(1)의 뒤쪽 나사부(1b)에 결합부재(3)를 체결시키고, 이 결합부재(3)에는 고무관(2), 와샤(2)가 순차적으로 끼워진 상태에서 그 내부가 중공된 중공관체의 주입부(5)가 결합부재(3)에 체결된다.In the conventional packer for injection of repair materials, as shown in FIGS. 1 to 3C, the coupling member 3 is fastened to the rear threaded portion 1b of the nozzle unit 1, and the rubber tube 2 is attached to the coupling member 3. In the state in which the washer 2 is sequentially inserted, the injection part 5 of the hollow tube body hollow inside is fastened to the coupling member 3.

또한, 상기 결합부재(3) 내부에는 보수재가 주입되도록 관통공(3a)이 형성되며, 이 관통공(3a)에는 그 일부가 확장된 공간부(3b)를 갖는다. 이 공간부(3b)에는 스프링(7)과 스틸볼(8)이 결합부재(3) 뒤쪽의 관통공(3a)을 탄압하도록 도 3a 내지 도 3c와 같이 개재된다.In addition, a through hole 3a is formed in the coupling member 3 so that a repair material is injected, and the through hole 3a has a space portion 3b in which part thereof is extended. In this space portion 3b, the spring 7 and the steel ball 8 are interposed as shown in FIGS. 3A to 3C so as to suppress the through hole 3a behind the coupling member 3.

이와 같이 구성된 종래의 보수재 주입용 패커는, 각종 콘크리트 구조물의 균열 또는 부분적인 손상부위를 드릴과 같은 별도의 기구로서 정착공(10)을 천공한 상태에서 노즐부(1)를 전방으로 하여 삽입된다. The conventional packer for injection of water-containing materials configured as described above is inserted in a state in which the fixing hole 10 is drilled as a separate mechanism such as a drill for cracking or partial damage of various concrete structures. .

이때, 상기 주입부(5)의 외주면에는 육각볼트형상이 형성되어 있으며, 이 주입부(5)를 회전시켜 결합부재(3)에 계속 나사 결합시키면 고무관(4)이 도 3c와 같이 원주방향으로 확장되어 구조물의 천공된 부분에 가압 고정되는 것이다.At this time, the hexagonal bolt shape is formed on the outer circumferential surface of the injection portion 5, and if the injection portion 5 is rotated to continue to screw the coupling member 3, the rubber tube (4) in the circumferential direction as shown in Figure 3c It is extended and pressurized to the perforated portion of the structure.

또한, 상기 주입부(5) 외주면에는 절단선(6)이 형성되어 있으며, 이 절단선(6)이 구조물의 내측으로 약간 삽입되도록 한다. 이와 같은 상태에서 상기 주입부(5)의 후방에는 도시되지 않은 보수재 주입기의 주입노즐이 연결되며 분사압력을 이용하여 폴리우레탄, 에폭시 등의 보수재가 주입된다. 그러면, 이 보수재는 주입부(5)의 내부 및 결합부재(3) 내부의 관통공(3a)을 거쳐 콘크리트 구조물 속으로 주입된다.In addition, a cutting line 6 is formed on an outer circumferential surface of the injection part 5, so that the cutting line 6 is slightly inserted into the structure. In such a state, the injection nozzle of the water injector for maintenance material (not shown) is connected to the rear of the injection unit 5, and water, such as polyurethane or epoxy, is injected using the injection pressure. Then, the water retaining material is injected into the concrete structure through the through hole (3a) in the interior of the injection portion (5) and the coupling member (3).

이때, 상기 공간부(3b) 내에서 결합부재(3) 뒤쪽의 관통공(3a)을 탄압하고 있던 스프링(7)이 도 3b와 같이 압착되어 스틸볼(8)이 앞쪽으로 이동되면서 보수재가 노즐부(1) 전방으로 토출되는 것이다.At this time, the spring (7) that was pressing the through hole (3a) of the back of the coupling member 3 in the space (3b) is pressed as shown in Figure 3b, the steel ball (8) is moved to the front as the repair material nozzle It is discharged to the front part (1).

이후, 주입노즐(미도시)을 분리하거나 또는 콘크리트 구조물의 외관상 주입부(5)의 절단선(6)을 이용하여이 주입부(5)를 절단하게 되면, 노즐부(1) 전방의 압력이 주입부(5) 후방의 압력보다 높아지게 되어 보수재가 거꾸로 역류하게 된다. Subsequently, when the injection nozzle (not shown) is removed or the injection portion 5 is cut using the cutting line 6 of the injection portion 5 in the appearance of the concrete structure, the pressure in front of the nozzle portion 1 is injected. It becomes higher than the pressure of the back part 5, and a repair material flows backwards.

이때, 이 압력에 의하여 도 3c에 도시된 바와 같이, 공간부(3b) 내부의 스틸볼(8)이 그 보다 직경이 작은 관통공(3a)과 밀착되어 이 관통공(3a)을 폐쇄시킴으로써 보수재의 역류를 방지하게 되는 것이다.At this time, as shown in FIG. 3C, the steel ball 8 in the space 3b is brought into close contact with the through hole 3a having a smaller diameter, thereby closing the through hole 3a. This will prevent the reverse flow of.

그러나, 상기한 바와 같이 콘크리트 구조물의 보수재 정착공(10)에 취부된 종래의 보수재 주입용 패커는, 도 3d에 도시된 바와 같이 정착공(10) 외부로 노출된 주입부(5)의 절단선(6)을 커팅하여 분리시키는 작업을 실시할여야 한다.However, the conventional repair material injection packer mounted in the repair material fixing hole 10 of the concrete structure as described above, the cutting line of the injection portion 5 exposed to the outside of the fixing hole 10 as shown in Figure 3d. (6) Cutting and separating work is to be carried out.

결국, 상기 주입부(5)의 절단선(6)을 둔기로 강하게 내려쳐 절단시키거나, 팬치 등과 같은 공구를 이용하여 주입부(5)를 파지한 후, 절단하여야 한다.As a result, the cutting line 6 of the injection portion 5 is strongly lowered by a blunt cut, or the injection portion 5 is gripped using a tool such as a panch and then cut.

이때, 상기 주입부(5)를 분리하는 과정에서는 필연적으로 정착공(10)에 삽입 취부된 결합부재(3), 고무관(2), 노즐부(1) 등에 충격이 가해지므로, 정착공(10)에 취부된 상기한 구성요소들과 정착공(10) 내경면사이에 미세한 틈새가 발생하게 되거나, 정착공(10)에 취부된 상기 구성요소들의 위치가 미세하게 틀어지게 된다.In this case, in the process of separating the injection part 5, the impact is applied to the coupling member 3, the rubber tube 2, the nozzle unit 1, and the like, which are necessarily inserted into the fixing hole 10, and thus the fixing hole 10 ), A fine gap is generated between the above-described components mounted on the fixing hole 10 and the inner diameter surface of the fixing hole 10, or the positions of the components mounted on the fixing hole 10 are slightly twisted.

상기한 바와 같이 보수재 주입 후 절단선(6)을 절단하는 과정에서 발생하는 문제점은 주입부(5) 절단 후 곧바로 발생하는 것이 아니라 시간이 경과함에 따라 점차 드러나게 되는 것으로서, 정착공(10)으로부터 패커가 직접적으로 분리되는 문제보다는 정착공(10)과 고무관(2)의 취부구조 또는 결합구조가 헐거워지면서 주입된 보수재가 역류하여 정착공(10) 밖으로 누설되어 보수공사 후 보수효력이 상실됨으로써, 재보수 공사를 실시해야하는 문제점으로 드러나게 된다.As described above, the problem occurring in the process of cutting the cutting line 6 after the injection of the repairing material is not immediately occurring after the cutting of the injection part 5, but is gradually revealed as time passes, and the packer from the fixing hole 10 is fixed. As the mounting structure or coupling structure of the fixing hole 10 and the rubber tube 2 is loosened rather than the problem of being directly separated, the injected repair material flows backward and leaks out of the fixing hole 10 so that the repair effect is lost after the repair work. It turns out to be a problem that requires repair work.

본 발명은 상기한 문제점을 해결하기 위하여 안출된 것으로, 정착공에 취부된 패커를 이용하여 보수재를 주입한 후, 주입부에 강한 충격 등을 가하지 않은 상태에서도 정착공에서 외부로 노출된 주입부를 분리시킬 수 있도록 하여 주입부 분리 시 발생하였던 정착공 내부에서의 미세한 틈새발생과 결합구조의 약화현상을 미연에 방지함으로써, 보수재가 역류하여 정착공 외부로 누설되는 것을 방지하고자 하는 보수재 주입용 패커를 제공하는 데 그 목적이 있다.The present invention has been made in order to solve the above problems, after injecting the repair material using a packer mounted in the fixing hole, separating the injection portion exposed to the outside from the fixing hole even without a strong impact, etc. It provides a packer for repair material injection to prevent the repair material from flowing backward and leaking to the outside of the fixing hole by preventing the occurrence of minute gaps in the fixing hole and the weakening of the coupling structure that occurred during separation of the injection part. Its purpose is to.

상기한 목적은, 보수재가 주입되는 관통공(102a)이 내측에 형성되며, 이 관통공(102a) 타단에는 내경이 확경된 공간부(102b)가 형성되고, 양단 외경에 나사부(102c)가 형성된 결합부재(102)와, 이 결합부재(102)의 타단 나사부(102c)에 체결되며 노즐공(104a)이 형성된 노즐부(104)와, 상기 결합부재(102)의 공간부(102b)에 삽입되는 스틸볼(106)과, 이 스틸볼(106)을 관통공(102a)으로 탄력지지하도록 된 탄성부재(108)와, 결합부재(102)의 외경으로 삽입되는 원통형 고무관(110)과, 상기 결합부재(102)의 일단에 형성된 나사부(102c)에 체결되며, 보수재가 주입되는 주입공(112a)이 관통형성된 주입부(112)를 포함하는 보수재 주입용 패커에 있어서, 상기 주입부(112)는, 상기 결합부재(102)의 일단에 형성된 나사부(102c)에 체결되며, 내부에 제1주입공(112a-1)이 관통형성되고, 일단에 제1체결부(112-A1)가 형성된 고정부(112-A)와, 상기 고정부(112-A)의 제1체결부(112-A1)에 체결되도록 타단에 제2체결부(112-B1)가 형성되며, 내부에 제2주입공(112a-2)이 형성된 분리부(112-B)로 이루어진 것을 특징으로 하는 보수재 주입용 패커에 의해 달성된다.The above object is formed with a through hole 102a into which a repair material is injected, and at the other end of the through hole 102a, a space portion 102b having an enlarged inner diameter is formed, and screw portions 102c are formed at both ends of the outer diameter. The nozzle member 104 is fastened to the coupling member 102, the other end screw portion 102c of the coupling member 102 and the nozzle hole 104a is formed, and is inserted into the space portion 102b of the coupling member 102. A steel ball 106 to be provided, an elastic member 108 to elastically support the steel ball 106 with the through hole 102a, a cylindrical rubber tube 110 inserted into the outer diameter of the coupling member 102, and In the packer for injecting water for the repair material is fastened to the threaded portion (102c) formed on one end of the coupling member 102, the injection hole 112a through which the injection hole (112a) through which the repair material is injected, the injection portion 112, Is fastened to the screw portion (102c) formed on one end of the coupling member 102, the first injection hole (112a-1) is formed therein through, the first fastening at one end A fixing portion 112-A having the 112-A1 formed thereon, and a second locking portion 112-B1 formed at the other end to be fastened to the first fastening portion 112-A1 of the fixing portion 112-A. It is achieved by a packer for injection of repair material, characterized in that consisting of a separating portion 112-B formed with a second injection hole (112a-2) therein.

여기서, 상기 결합부재(102)에 고정부(112-A)를 체결시키는 방향과 동일한 방향으로 고정부(112-A)의 제1체결부(112-A1)에 체결된 분리부(112-B)의 제2체결부(112-B1)가 해체되도록 체결구조를 구성하는 것이 바람직하다.Here, the separating part 112-B fastened to the first fastening part 112-A1 of the fixing part 112-A in the same direction as the fastening part 112-A to the coupling member 102. It is preferable to configure the fastening structure so that the second fastening portion (112-B1) of the).

아울러, 상기 고무관(110)의 양단 중 적어도 어느 하나에 배치되며, 결합부재(102)의 외경으로 삽입되도록 삽입공(120c)이 형성되고, 원주방향을 따라 다수 개의 스토퍼(120a)가 돌출형성된 정착부재(120)를 더 포함하는 것이 바람직하다.In addition, it is disposed on at least one of both ends of the rubber tube 110, the insertion hole 120c is formed to be inserted into the outer diameter of the coupling member 102, a plurality of stoppers (120a) protruding formed along the circumferential direction It is preferable to further include the member 120.

그리고, 상기 스토퍼(120a)는 결합부재(102)의 타측방향에서 일측방향을 향하여 점차 확경되는 경사면(120b)으로 형성하는 것이 바람직하다.In addition, the stopper 120a may be formed as an inclined surface 120b that is gradually expanded in one direction from the other side of the coupling member 102.

본 발명은 주입부를 고정부(112-A)와 분리부로 분리구성하고, 고정부(112-A)와 분리부가 제1체결부와 제2체결부로 체결되도록 함으로써, 보수재 주입 후 분리부를 회전시켜 고정부(112-A)로부터 분리부가 간단하게 해체되도록 하는 것으로서, 분리부를 고정부(112-A)로부터 분리시키는 과정에서 주입부에는 전혀 충격이 가해지지 않게 되므로, 정착공에 밀착 취부된 고무관 등의 구성요소들과 정착공사이에서 취부력, 결합력을 약화시킬 수 있는 요소들의 발생을 원천적으로 차단하여 보수재 주입 후 보수재가 역류하여 정착공 외부로 누설되는 것을 방지할 수 있는 효과를 가진다.The present invention separates the injection part into the fixing part 112-A and the separating part, and the fixing part 112-A and the separating part are fastened to the first fastening part and the second fastening part, thereby rotating the separating part after the injection of the repairing material. Since the separating part is easily dismantled from the front part 112-A, and no impact is applied to the injection part in the process of separating the separating part from the fixing part 112-A, such as a rubber tube mounted closely to the fixing hole. The components and the fixing work inherently blocks the occurrence of elements that can weaken the mounting force and the coupling force in the component, and has the effect of preventing the leakage of the repair material back out of the fixing hole after the injection of the repair material.

뿐만 아니라, 고정부(112-A)와 분리부로 분리구성된 주입부는, 보수작업 완료 후 분리부가 고정부(112-A)로부터 분리된 후 수거되므로, 재활용이 가능하여 보수재 주입용 패커의 제조원가를 절감시킬 수 있는 효과를 가진다.In addition, the injection part separated into the fixing part 112-A and the separating part is collected after the separating part is separated from the fixing part 112-A after the completion of the repair work, and thus can be recycled, thereby reducing the manufacturing cost of the packer for injecting the repair material. It has an effect that can be done.

도 1은 종래의 보수재 주입용 패커를 나타낸 결합 사시도.
도 2는 종래의 보수재 주입용 패커의 분해 사시도.
도 3a 내지 도 3cd는 종래 보수재 주입용 패커의 작용상태를 도시한 단면도.
도 4는 본 발명에 따른 보수재 주입용 패커의 분해 사시도.
도 5a 본 발명에 따른 보수재 주입용 패커의 결합구조를 도시한 분해 단면도.
도 5b는 본 발명에 따른 보수재 주입용 패커의 결합구조를 도시한 결합단면도.
도 6a 내지 도 6d는 본 발명에 따른 보수재 주입용 패커의 작용상태를 도시한 작용단면도.1 is a perspective view showing a conventional packer for injection of repair materials.
Figure 2 is an exploded perspective view of a conventional packer for injection of repair materials.
Figure 3a to 3cd is a cross-sectional view showing the operating state of the packer for injection of the conventional water-retaining material.
Figure 4 is an exploded perspective view of a packer for injecting water in accordance with the present invention.
Figure 5a is an exploded cross-sectional view showing a coupling structure of the packer for repair material injection in accordance with the present invention.
Figure 5b is a cross-sectional view showing a coupling structure of the packer for repair material injection in accordance with the present invention.
Figure 6a to 6d is a cross-sectional view showing the operating state of the packer for repair material injection according to the present invention.

본 발명의 구성 및 작용을 첨부된 도 4 내지 도 6d를 참조하여 설명하되, 종래의 구성과 동일한 구성요소들을 먼저 설명한 후 고정부(112-A)와 분리부(112-B)로 분리구성된 주입부(112)의 구성과 작용을 설명하기로 한다.The configuration and operation of the present invention will be described with reference to FIGS. 4 to 6D, but the same components as those of the conventional configuration will be described first, and then the injection parts separated by the fixing part 112-A and the separating part 112-B will be described. The configuration and operation of the unit 112 will be described.

먼저, 본 발명에 따른 보수재 주입용 패커의 구성 중 고무관(110), 결합부재(102), 스틸볼(106), 탄성부재(108), 노즐부(104)는 종래의 보수재 주입용 패커와 동일하게 적용된다.First, the rubber tube 110, the coupling member 102, the steel ball 106, the elastic member 108, the nozzle portion 104 of the configuration of the packer for repair material injection according to the present invention is the same as the conventional packer for repair material injection Is applied.

즉, 상기 결합부재(102)는 도 4와 도 5a에 도시된 바와 같이 내측으로 보수재가 통과되는 관통공(102a)이 관통형성되며, 양단의 외경에는 각각 나사부(102c)가 형성된다.That is, the coupling member 102 has a through-hole 102a through which the repair material passes inward, as shown in FIGS. 4 and 5A, and thread portions 102c are formed at the outer diameters of both ends, respectively.

아울러, 상기 결합부재(102)의 관통공(102a) 내경 타단에는 관통공(102a)보다 상대적으로 큰 내경으로 이루어진 공간부(102b)가 확경형성된다.In addition, at the other end of the inner diameter of the through hole 102a of the coupling member 102, a space portion 102b having an inner diameter relatively larger than that of the through hole 102a is enlarged.

그리고, 상기 결합부재(102)의 타단 외경에 형성된 나사부(102c)에는 도 4, 도 5a에 도시된 바와 같이 노즐부(104)가 체결되는 바, 상기 노즐부(104)에도 도 4와 도 5a에 도시된 바와 같이 일단에 결합부재(102)에 체결되도록 나사부(104b)가 형성되어 있다.In addition, as shown in FIGS. 4 and 5A, the nozzle part 104 is fastened to the threaded part 102c formed at the outer diameter of the other end of the coupling member 102, and the nozzle part 104 is also illustrated in FIGS. 4 and 5A. As shown in the thread portion 104b is formed to be fastened to the coupling member 102 at one end.

한편, 상기 결합부재(102)의 공간부(102b)에는 스틸볼(106)이 삽입되고, 이 스틸볼(106)이 일측을 향하여 탄력지지되도록 도 4와 도 5b에 도시된 바와 같이 공간부(102b)에 탄성부재(108)를 삽입설치하여 노즐부(104)에 의해 분리이탈되는 것이 방지되게 한다.Meanwhile, the steel ball 106 is inserted into the space portion 102b of the coupling member 102, and the space portion (as shown in FIGS. 4 and 5B so that the steel ball 106 is elastically supported toward one side). The elastic member 108 is inserted into and installed at 102b to prevent separation and detachment by the nozzle unit 104.

따라서, 상기 후술하게 될 본 발명에 따른 주입부(112)를 통하여 보수재가 주입되고, 관통공(102a)을 경유하여 보수재가 노즐부(104)로 토출될 때를 제외하면, 탄성부재(108)의 탄성력에 의하여 스틸볼(106)이 관통공(102a)의 타단을 폐쇄하는 도 5a와 같은 상태를 항상 유지하게 된다.Accordingly, except when the repair material is injected through the injection part 112 according to the present invention to be described later, and the repair material is discharged to the nozzle unit 104 via the through hole 102a, the elastic member 108 Due to the elastic force of the steel ball 106 is always maintained in the state as shown in Figure 5a to close the other end of the through hole (102a).

상기한 바와 같이 결합부재(102)에 노즐부(104)가 체결되면, 결합부재(102)에는 도 4, 도 5a에 도시된 바와 같이 원통형으로 성형된 고무관(110)을 결합부재(102)에 삽입한다.As described above, when the nozzle unit 104 is fastened to the coupling member 102, the coupling member 102 includes a rubber tube 110 formed in a cylindrical shape as shown in FIGS. 4 and 5A to the coupling member 102. Insert it.

여기서, 본 발명에 따른 보수재 주입용 패커에는 경우에 따라서 종래와 같이 결합부재(102)에 와셔(도 1, 도 2의 도면부호 4 참조)를 삽입하여 고무관(110)의 일단을 와셔가 받쳐주도록 할 수도 있다.Here, in the packer for repair material injection according to the present invention, a washer (see reference numeral 4 of FIGS. 1 and 2) is inserted into the coupling member 102 as in the conventional case so that one end of the rubber tube 110 is supported by the washer. You may.

본 발명에서 결합부재(102)의 양단에 형성된 나사부(102c)와 노즐부(104)에 형성된 나사부(104b)는 종래의 구성과 동일한 구성이며, 본 발명의 주요구성은 아니므로, 나사결합되는 체결구조로서의 의미만을 부여하기 위하여 '나사부'라는 일반 명칭으로만 설명하기로 한다.In the present invention, the threaded portion 102c formed at both ends of the coupling member 102 and the threaded portion 104b formed at the nozzle portion 104 have the same configuration as the conventional configuration, and are not the main configuration of the present invention. In order to give meaning only as a structure, it will be described only by the general name 'screw part'.

한편, 상기한 바와 같이 결합부재(102)의 타단에는 노즐부(104)와 스틸볼(106) 및 탄성부재(108)가 결합되고, 그 후단으로 고무관(110)이 결합부재(102)에 삽입된 후에는 도 4에 도시된 바와 같이 본 발명에 따른 주입부(112)를 결합부재(102)의 일단에 체결시켜 결합구성한다.On the other hand, as described above, the other end of the coupling member 102, the nozzle unit 104, the steel ball 106 and the elastic member 108 is coupled, the rubber tube 110 is inserted into the coupling member 102 to the rear end. After the combination is fastened to one end of the coupling member 102, the injection portion 112 according to the present invention as shown in FIG.

여기서, 본 발명에 따른 주입부(112)는 도 4와 도 5a에 도시된 바와 같이 고정부(112-A)와 분리부(112-B)로 분리구성된 구조로서, 고정부(112-A)의 일단에는 제1체결부(112-A1)가 형성되고, 고정부(112-A)의 타단에는 종래와 같이 결합부재(102)의 일단에 형성된 나사부(102c)에 체결되는 구조로 이루어져 있으며, 내측에는 제1주입공(112a-1)이 관통형성된다.Here, the injection part 112 according to the present invention has a structure in which the fixing part 112-A and the separating part 112-B are separated, as shown in FIGS. 4 and 5A, and the fixing part 112-A. One end of the first fastening portion (112-A1) is formed, the other end of the fixing portion (112-A) is made of a structure that is fastened to the screw portion (102c) formed on one end of the coupling member 102, as in the prior art, The first injection hole 112a-1 is formed through the inner side.

그리고, 상기 주입부(112)의 분리부(112-B) 타단에는 고정부(112-A)의 제1체결부(112-A1)에 체결되도록 제2체결부(112-B1)가 형성되고, 내측에는 제1주입공(112a-1)과 연통되도록 제2주입공(112a-2)이 관통형성된다.The second fastening part 112-B1 is formed at the other end of the separation part 112 -B of the injection part 112 to be fastened to the first fastening part 112-A1 of the fixing part 112 -A. The inside of the second injection hole 112a-2 is formed to communicate with the first injection hole 112a-1.

따라서, 상기 결합부재(102)의 일단에 형성된 나사부(102c)에 고정부(112-A)를 체결시킬 때, 고정부(112-A)의 제1체결부(112-A1)에는 분리부(112-B)의 제2체결부(112-B1)가 체결된 상태에서 고정부(112-A)가 결합부재(102)에 체결되도록 하는 것이 바람직하나, 결합부재(102)에 고정부(112-A)를 체결시킨 상태에서 분리부(112-B)를 고정부(112-A)에 체결시킬 수도 있는 것이므로, 본 발명은 여기에 한정되지 않는다.Therefore, when the fixing part 112-A is fastened to the screw part 102c formed at one end of the coupling member 102, the separating part (1) is attached to the first fastening part 112-A1 of the fixing part 112-A. It is preferable that the fixing part 112-A is coupled to the coupling member 102 in the state in which the second fastening portion 112-B1 of the 112-B is fastened, but the fixing portion 112 is coupled to the coupling member 102. Since the separation part 112-B may be fastened to the fixing part 112-A in a state where -A) is fastened, the present invention is not limited thereto.

뿐만 아니라, 도 4와 도 5a 등에서는 분리부(112-B)의 제2체결부(112-B1)는 숫나사로 표현되어 있으며, 고정부(112-A)의 제1나사부(102c)는 암나사로 표현되어 있으나, 이들 구성요소의 암나사와 숫나사는 서로 얼마든지 변경하여 체결시킬 수 있는 것이므로, 여기에도 한정되지 않고 제작자의 설계에 따라 다양하게 채택변경할 수 있는 것이다.4 and 5A, the second fastening portion 112-B1 of the separating portion 112-B is represented by a male screw, and the first screw portion 102 c of the fixing portion 112-A is a female screw. Although represented by, the female thread and the male thread of these components can be fastened by changing any number of each other, it is not limited to this can be variously adopted and changed according to the manufacturer's design.

한편, 상기 결합부재(102)의 일단에 형성된 나사부(102c)에 고정부(112-A)를 체결시킬 때, 체결(잠금)되는 방향이 시계방향으로 회전시키는 것이라면, 제2체결부(112-B1)와 제1체결부(112-A1)의 체결구조에서는, 분리부(112-B)의 제2체결부(112-B1)를 고정부(112-A)의 제1체결부(112-A1)에 체결(잠금)시키는 방향이 반시계방향이며, 해체되는 방향은 시계방향으로 설계하여 제작하는 것이 바람직하다.On the other hand, when fastening the locking portion (112-A) to the screw portion (102c) formed on one end of the coupling member 102, if the direction in which the fastening (locking) is to rotate in the clockwise direction, the second fastening portion (112-) In the fastening structure of B1) and the first fastening portion 112-A1, the second fastening portion 112-B1 of the separating portion 112-B is replaced with the first fastening portion 112-A of the fixing portion 112-A. The direction to be fastened (locked) to A1) is counterclockwise, and the direction to be disassembled is preferably designed and manufactured clockwise.

한편, 상기 고무관(110)의 양단 중 적어도 어느 하나에는 도 4와 도 5a에 도시된 바와 같이 정착부재(120)를 삽입시켜 고정부(112-A)로부터 분리부(112-B)를 분리시킬 때, 정착부재(120)가 정착공(114)에 강력하게 정착된 상태에서 분리부(112-B)가 분리되게 함과 동시에 분리부(112-B) 분리 시 결합부재(102), 고무관(110) 등의 미세한 움직임이라도 최대한 억제하여 정착공(114)과 고무관(110)사이에서 발생할 수 있는 미세한 틈을 미연에 방지하게 하는 것이 바람직하다.On the other hand, at least one of both ends of the rubber tube 110, as shown in Figure 4 and 5a to insert the fixing member 120 to separate the separating portion 112-B from the fixing portion 112-A. When the fixing member 120 is strongly fixed to the fixing hole 114, the separating part 112-B is separated and at the same time the separating member 112-B is separated, the coupling member 102 and the rubber tube ( It is preferable to prevent even minute movements, such as 110, as much as possible to prevent the minute gap that may occur between the fixing hole 114 and the rubber tube 110 in advance.

상기 정착부재(120)는, 결합부재(102)의 외경으로 삽입되도록 삽입공(120c)이 형성되고, 원주방향을 따라 다수 개의 스토퍼(120a)가 돌출형성된 구조로서, 도 4와 도 5a에 도시된 바와 같이 상기 스토퍼(120a)는 결합부재(102)의 타측방향에서 일측방향을 향하여 점차 확경되는 경사면(120b)으로 형성된다.The fixing member 120, the insertion hole 120c is formed to be inserted into the outer diameter of the coupling member 102, a plurality of stoppers (120a) protruding along the circumferential direction, shown in Figures 4 and 5a As described above, the stopper 120a is formed as an inclined surface 120b which is gradually enlarged toward the one side direction from the other side of the coupling member 102.

따라서, 본 발명에 따른 보수재 주입용 패커를 정착공(114)에 삽입시킨 후, 도 6a에 도시된 바와 같이 고정부(112-A)를 회전시켜 결합부재(102)에 고정부(112-A)가 더 깊게 체결되게 함으로써, 고무관(110)이 노즐부(104)와 고정부(112-A) 또는 와셔(선택적으로 채택, 도시하지 않음) 사이에서 팽창하게 하는 바, 이때, 상기 공구는 고정부(112-A)까지 삽입된 상태이므로, 고정부(112-A)와 분리부(112-B)는 동일한 방향으로 동일한 회전수만큼 회전하게 된다.Therefore, after inserting the packer for repair material injection according to the present invention into the fixing hole 114, as shown in Figure 6a by rotating the fixing portion 112-A to the fixing member 112-A to the coupling member 102 ) Deeper, thereby allowing rubber tube 110 to expand between nozzle portion 104 and fixing portion 112-A or washer (optionally selected, not shown), wherein the tool is Since the state is inserted up to the top 112-A, the fixing portion 112-A and the separating portion 112-B rotate by the same rotational speed in the same direction.

따라서, 상기 분리부(112-B)는 고정부(112-A)가 잠금상태로 회전하는 방향으로 회전할 때, 해체되는 체결구조이므로, 고정부(112-A)가 결합부재(102)에 강력하게 체결된다 하더라도 최초 체결된 상태보다 더 강하게 체결되지 않게 된다.Therefore, since the separating part 112 -B is a fastening structure that is disassembled when the fixing part 112 -A rotates in the locked direction, the fixing part 112 -A is coupled to the coupling member 102. Even if it is tightened strongly, it is not stronger than the initial tightening state.

아울러, 상기 고정부(112-A)가 결합부재(102)의 일정위치보다 더 깊에 체결되면, 도 6a에 도시된 바와 같이 정착부재(120)의 스토퍼(120a)가 수직방향으로 기립되면서 정착공(114) 내경면에 압입 또는 간섭되면서 결합부재(102)와 고무관(110)의 위치를 고정시키게 된다.In addition, when the fixing part 112-A is fastened deeper than a predetermined position of the coupling member 102, as shown in FIG. 6A, the stopper 120a of the fixing member 120 stands up in the vertical direction and is fixed. While pressing or interfering with the inner diameter surface of the ball 114, the position of the coupling member 102 and the rubber tube 110 is fixed.

상기한 바와 같이 패커가 정착공(114)에 취부된 후, 보수재를 고압으로 주입시키는 주입노즐(도시하지 않음)을 분리부(112-B)에 연결하여 보수재를 주입시킨 후, 도 6b에 도시된 바와 같이 공구가 고정부(112-A)로부터 벗어나 분리부(112-B)만을 회전시킬 수 있도록 위치 조정을 한다.After the packer is mounted in the fixing hole 114 as described above, the injection nozzle (not shown) for injecting the repair material at a high pressure is connected to the separating part 112-B, and then the repair material is injected, as shown in FIG. 6B. As shown, the tool adjusts its position so that the tool can rotate only the separating portion 112-B away from the fixing portion 112-A.

여기서, 상기 분리부(112-B)의 체결구조를 살펴보면, 상술한 바와 같이 고정부(112-A)의 체결(잠금)방향이 분리부(112-B)의 해체방향이므로, 도 6c에 도시된 바와 같이 고정부(112-A)를 체결(잠금)시키던 회전방향으로 분리부(112-B)만을 회전시키면, 도 6d와 같이 분리부(112-B)만 고정부(112-A)로부터 분리된다.Here, looking at the fastening structure of the separating part 112-B, as described above, since the fastening (locking) direction of the fixing part 112-A is a dismantling direction of the separating part 112-B, it is shown in FIG. 6C. As shown in FIG. 6D, when only the separating part 112 -B is rotated in the rotational direction in which the fixing part 112 -A is fastened (locked), as shown in FIG. 6D, only the separating part 112 -B is removed from the fixing part 112 -A. Are separated.

결국, 본 발명에 따른 보수재 주입용 패커에서는, 주입부(112)를 분리시킬 때, 결합부재(102), 고무관(110), 노즐부(104)에 최소한의 충격이라도 가해지지 않도록 하기 위한 것으로서, 상기한 바와 같이 주입부(112)를 고정부(112-A)와 분리부(112-B)로 분리구성하되, 고정부(112-A)와 분리부(112-B)가 체결되도록 하며, 이때, 고정부(112-A)의 체결(잠금)방향은 분리부(112-B)의 해체방향과 동일하도록 제조함으로써, 분리부(112-B) 해체 시 가해지는 회전력이 고정부(112-A)가 해체되는 방향으로의 어떠한 회전력도 작용하지 않게 되며, 특히, 정착부재(120)가 더욱 더 강력하게 정착공(114)에 정착된 상태를 유지하게 되므로, 분리부(112-B)를 고정부(112-A)에서 안정적으로 분리시킬 수 있게 되는 것이다.As a result, in the packer for injecting water for the repairing material according to the present invention, when the injection portion 112 is separated, the packing member 102, the rubber tube 110, and the nozzle portion 104 are provided so that even minimal impact is not applied. As described above, the injection part 112 is separated into the fixing part 112-A and the separating part 112-B, but the fixing part 112-A and the separating part 112-B are fastened, At this time, the fastening (locking) direction of the fixing part 112-A is made to be the same as the disassembly direction of the separating part 112-B, so that the rotational force applied when disassembling the separating part 112-B is fixed to the fixing part 112-A. No rotational force acts in the direction in which A) is dismantled, and in particular, since the fixing member 120 remains more firmly fixed to the fixing hole 114, the separation part 112-B is removed. It will be able to stably separate from the fixing portion (112-A).

102 : 결합부재 102a : 관통공
102b : 공간부 102c : 나사부
104 : 노즐부 104a : 노즐공
104b : 나사부
106 : 스틸볼 108 : 탄성부재
110 : 고무관 112 : 주입부
112a : 주입공 112a-1 : 제1주입공
112a-2 : 제2주입공
112-A : 고정부 112-A1 : 제1체결부
112-B : 분리부 112-B1 : 제2체결부
114 : 정착공
120 : 정착부재 120a : 스토퍼
120b : 경사면 120c : 삽입공102: coupling member 102a: through hole
102b: space portion 102c: screw portion
104 nozzle part 104a nozzle hole
104b: screw part
106: steel ball 108: elastic member
110: rubber tube 112: injection portion
112a: injection hole 112a-1: first injection hole
112a-2: 2nd injection hole
112-A: fixed part 112-A1: first fastening part
112-B: separating part 112-B1: second fastening part
114: fixing hole
120: fixing member 120a: stopper
120b: slope 120c: insertion hole

Claims (4)

보수재가 주입되는 관통공(102a)이 내측에 형성되며, 이 관통공(102a) 타단에는 내경이 확경된 공간부(102b)가 형성되고, 양단 외경에 나사부(102c)가 형성된 결합부재(102)와, 이 결합부재(102)의 타단 나사부(102c)에 체결되며 노즐공(104a)이 형성된 노즐부(104)와, 상기 결합부재(102)의 공간부(102b)에 삽입되는 스틸볼(106)과, 이 스틸볼(106)을 관통공(102a)으로 탄력지지하도록 된 탄성부재(108)와, 결합부재(102)의 외경으로 삽입되는 원통형 고무관(110)과, 상기 결합부재(102)의 일단에 형성된 나사부(102c)에 체결되며, 보수재가 주입되는 주입공(112a)이 관통형성된 주입부(112)를 포함하는 보수재 주입용 패커에 있어서,
상기 주입부(112)는,
상기 결합부재(102)의 일단에 형성된 나사부(102c)에 체결되며, 내부에 제1주입공(112a-1)이 관통형성되고, 일단에 제1체결부(112-A1)가 형성된 고정부(112-A)와, 상기 고정부(112-A)의 제1체결부(112-A1)에 체결되도록 타단에 제2체결부(112-B1)가 형성되며, 내부에 제2주입공(112a-2)이 형성된 분리부(112-B)로 이루어진 것을 특징으로 하는 보수재 주입용 패커.A through hole 102a into which a repair material is injected is formed, and at the other end of the through hole 102a, a space portion 102b having an enlarged inner diameter is formed, and a coupling member 102 having threaded portions 102c formed at both ends of the outer diameter thereof. And a nozzle portion 104 fastened to the other end thread portion 102c of the coupling member 102 and having a nozzle hole 104a formed therein, and a steel ball 106 inserted into the space portion 102b of the coupling member 102. ), An elastic member 108 to elastically support the steel ball 106 with the through hole 102a, a cylindrical rubber tube 110 inserted into the outer diameter of the coupling member 102, and the coupling member 102. In the packer for repair material injection is fastened to the threaded portion (102c) formed at one end of the injection hole 112a through which the injection hole 112a through which the repair material is injected is formed.
The injection unit 112,
The fixing part fastened to the threaded portion (102c) formed at one end of the coupling member 102, the first injection hole (112a-1) is formed through the inside, and the first fastening portion (112-A1) is formed at one end ( 112-A and a second fastening portion 112-B1 is formed at the other end to be fastened to the first fastening portion 112-A1 of the fixing portion 112-A, and a second injection hole 112a is formed therein. Packer for injection of repair material, characterized in that consisting of -2) formed separator 112-B. 제1항에 있어서,
상기 결합부재(102)에 고정부(112-A)를 체결시키는 방향과 동일한 방향으로 고정부(112-A)의 제1체결부(112-A1)에 체결된 분리부(112-B)의 제2체결부(112-B1)가 해체되도록 체결구조를 구성한 것을 특징으로 하는 보수재 주입용 패커.The method of claim 1,
The separation part 112-B fastened to the first fastening part 112-A1 of the fixing part 112-A in the same direction as the fastening part 112-A to the coupling member 102. Packer for injection of repair material, characterized in that the fastening structure is configured to disassemble the second fastening portion (112-B1). 제1항에 있어서,
상기 고무관(110)의 양단 중 적어도 어느 하나에 배치되며, 결합부재(102)의 외경으로 삽입되도록 삽입공(120c)이 형성되고, 원주방향을 따라 다수 개의 스토퍼(120a)가 돌출형성된 정착부재(120)를 더 포함하는 것을 특징으로 하는 보수재 주입용 패커.The method of claim 1,
Fixing members disposed on at least one of both ends of the rubber tube 110, the insertion hole 120c is formed to be inserted into the outer diameter of the coupling member 102, the plurality of stoppers (120a) protruding in the circumferential direction ( Packer for repair material injection, characterized in that it further comprises 120). 제3항에 있어서,
상기 스토퍼(120a)는 결합부재(102)의 타측방향에서 일측방향을 향하여 점차 확경되는 경사면(120b)으로 형성된 것을 특징으로 하는 보수재 주입용 패커.The method of claim 3,
The stopper (120a) is a packer for injection of repair material, characterized in that formed in the inclined surface (120b) gradually expanded toward the one side direction from the other side of the coupling member (102).
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980026256U (en) * 1996-11-08 1998-08-05 주형식 Grouting Packer
JP2002364182A (en) * 2001-06-06 2002-12-18 Nippon Grease Nipple Kk Fluid injection plug
KR101093733B1 (en) * 2011-07-05 2011-12-19 삼원특수(주) A packer for concrete crack

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980026256U (en) * 1996-11-08 1998-08-05 주형식 Grouting Packer
JP2002364182A (en) * 2001-06-06 2002-12-18 Nippon Grease Nipple Kk Fluid injection plug
KR101093733B1 (en) * 2011-07-05 2011-12-19 삼원특수(주) A packer for concrete crack

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