KR20070063338A - Injector removing and mounting device - Google Patents

Injector removing and mounting device Download PDF

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Publication number
KR20070063338A
KR20070063338A KR1020050123456A KR20050123456A KR20070063338A KR 20070063338 A KR20070063338 A KR 20070063338A KR 1020050123456 A KR1020050123456 A KR 1020050123456A KR 20050123456 A KR20050123456 A KR 20050123456A KR 20070063338 A KR20070063338 A KR 20070063338A
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KR
South Korea
Prior art keywords
holder
injector
engine
bolt
fastening bolt
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KR1020050123456A
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Korean (ko)
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KR100736952B1 (en
Inventor
권현준
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현대자동차주식회사
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Priority to KR1020050123456A priority Critical patent/KR100736952B1/en
Publication of KR20070063338A publication Critical patent/KR20070063338A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/0035—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for motor-vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/023—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same using screws
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)

Abstract

An injector separation apparatus is provided to easily and conveniently perform separating and mounting an injector by rotating a coupling bolt to separate the injector from an engine and to mount the injector on the engine. An injector separation apparatus includes an external bridge(1), a coupling bolt(2), an injector, and a holder(4). The external bridge has four leg parts(1a,1b). The holder is coupled to the injector by a medium of the coupling bolt with holding the injector. The holder includes a holder body(4a), a fixing holder sill(4b), two guide slots(4c), a guide bolt(4d), a moving holder sill(4e), and a control nut(4f). The holder body has an assembly hole through which the coupling bolt passes. The fixing holder sill is formed in one body with the holder body. The two guides slots are formed on the holder body in parallel to each other. The guide bolt is protrusively formed on one side of the holder body. The moving holder sill is 'T'-shaped and is movably installed by being inserted in the guide slots. The control nut is coupled to the guide bolt.

Description

인젝터 탈부착장치{Injector removing and mounting device}Injector removing and mounting device

도 1은 종래 기술에 따른 인젝터 탈부착장치의 평면도,1 is a plan view of the injector detachment apparatus according to the prior art,

도 2는 본 발명에 따른 인젝터 탈부착장치의 사시도,Figure 2 is a perspective view of the injector detachable device according to the invention,

도 3은 본 발명에 따른 인젝터 탈부착장치의 작동 설명도이다.3 is an explanatory view of the operation of the injector detachment apparatus according to the present invention.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

1-외측 브리지 2-체결볼트1-outer bridge 2-fastening bolt

3-인젝터 4-홀더3-injector 4-holder

본 발명은 차량의 엔진에 장착된 인젝터를 엔진으로부터 용이하게 탈거시킬 수 잇도록 한 인젝터 탈부착장치에 관한 것이다.The present invention relates to an injector attachment and detachment apparatus for allowing an injector mounted on an engine of a vehicle to be easily removed from the engine.

종래 차량의 엔진에 사용되는 인젝터를 엔진으로부터 탈거하기 위해 별도의 지그를 사용하고 있는 데, 상기 지그는 도 1에 도시된 바와 같이 인젝터의 상단부를 물어 잡는 홀더부(11)와, 이 홀더부로부터 일체로 연장되게 형성된 축부에 장착된 손잡이부(12)를 구비하고서 상기 홀더부를 엔진에 장착된 인젝터의 상단부에 끼워서 지지시킨 다음에 상기 손잡이부를 손으로 잡고서 별도의 충격 도구를 사용해 서 인젝터를 엔진으로부터 탈거시키고 있었다.Conventionally, a separate jig is used to remove an injector used in an engine of a vehicle from the engine, and the jig has a holder part 11 for holding the upper end of the injector as shown in FIG. A handle portion 12 mounted to the shaft portion integrally formed to extend, and the holder portion is supported by being inserted into the upper end of the injector mounted on the engine, and then holding the handle portion by hand and using a separate impact tool to inject the injector from the engine. I was removing it.

그런데, 상기와 같은 종래의 인젝터 분리장치를 사용할 경우에 작업자가 무거운 분리장치를 손으로 다루어야 하므로 항상 작업 부상의 위험이 있었다.However, in the case of using the conventional injector separation device as described above, the worker had to handle the heavy separation device by hand, so there was always a risk of work injury.

이에 본 발명은 상기와 같은 사정을 감안하여 안출된 것으로, 에어공구를 사용해서 인젝터를 엔진으로부터 탈거하거나 장착하기가 용이하면서 작업 공간상의 제약도 극복할 수 있도록 한 인젝터 탈부착장치를 제공함에 그 목적이 있다.Accordingly, the present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide an injector detachment apparatus which can easily remove or mount an injector from an engine using an air tool and overcome the limitations in the working space. have.

상기와 같은 목적을 달성하기 위한 본 발명은, 엔진에 안착되는 4개의 다리부를 구비한 외측 브리지와, 인젝터를 물어 잡는 2개의 홀더턱을 구비한 홀더, 상기 외측 브리지와 상기 홀더를 체결하는 체결볼트를 구비하고 있다.The present invention for achieving the above object, the outer bridge having four legs to be seated on the engine, the holder having two holder jaws for holding the injector, the fastening bolt for fastening the outer bridge and the holder Equipped with.

바람직하기로는, 상기 외측 브리지의 4개의 다리부는 엔진의 상면에 안착되는 2개의 제1다리부와, 엔진의 오일홀 속에 삽입되어 고정되는 장볼트로 이루어진 2개의 제2다리부로 이루어진 것을 특징으로 한다.Preferably, the four leg portions of the outer bridge are characterized by consisting of two first leg portions seated on the upper surface of the engine, and two second leg portions made of long bolts inserted into and fixed in the oil holes of the engine. .

그리고, 상기 제1다리부는 브리지 바디에 일체로 형성되고, 상기 브리지 바디에는 체결볼트가 관통해서 체결되도록 나사탭이 형성된 조립홀을 갖춘 것을 특징으로 한다.The first leg part is integrally formed in the bridge body, and the bridge body has an assembly hole in which a screw tab is formed to fasten the fastening bolt to be fastened.

또한, 상기 홀더는 상기 체결볼트가 관통되게 끼워지는 조립홀을 가진 홀더바디와, 이 홀더바디의 일측에 하방으로 절곡되어 일체로 형성된 고정홀더턱, 상기 홀더바디에 형성된 서로 평행하게 형성된 2개의 가이드슬롯, 상기 홀더바디의 일측 면에 돌출되게 형성된 가이드볼트, 상기 가이드슬롯에 끼워져 안내 이동가능하게 설치되는 대체로 Ｔ자 형상을 한 이동홀더턱 및, 상기 가이드볼트에 체결되는 조절너트를 각각 구비한 것을 특징으로 한다.In addition, the holder is a holder body having an assembly hole through which the fastening bolt is inserted, and a fixed holder jaw formed integrally bent downward on one side of the holder body, two guides formed in parallel with each other formed on the holder body A slot, a guide bolt formed to protrude on one side of the holder body, a generally T-shaped moving holder jaw inserted into the guide slot and installed to be guide movable, and an adjusting nut fastened to the guide bolt, respectively. It features.

상기 체결볼트의 하부는 상기 홀더의 조립홀에 관통되게 끼워져서 걸림턱을 매개로 홀더를 지지하는 것을 특징으로 한다.The lower portion of the fastening bolt is inserted through the assembly hole of the holder to support the holder via the locking step.

이하 본 발명의 실시예를 첨부된 예시도면을 참조로 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2에는 본 발명에 따른 인젝터 탈부착장치가 사시도로 도시되어 있고, 도 3에는 본 발명에 따른 인젝터 탈부착장치로 엔진으로부터 인젝터를 뽑아내는 작동 설명도가 도시되어 있는 바, 4개의 다리부(1a,1b)를 가진 외측 브리지(1)와, 이 외측 브리지(1)에 체결볼트(2)를 매개로 상하로 이동가능하게 체결되면서 인젝터(3)를 물어 잡는 홀더(4)를 구비하고 있다.Figure 2 is a perspective view of the injector detachable device according to the present invention, Figure 3 shows an operation explanatory drawing for extracting the injector from the engine with the injector detachable device according to the present invention, four legs (1a, The outer bridge 1 which has 1b), and the holder 4 which clamps the injector 3 while being fastened up and down by the fastening bolt 2 via this fastening bolt 2 are provided.

상기 외측 브리지(1)의 4개의 다리부는 브리지 바디(1c)의 각 모서리부에 형성되어 있는 데, 상기 2개의 다리부(1a)는 상기 브리지 바디와 일체로 수직한 방향으로 절곡되게 형성되어서 엔진의 상면에 안착되는 반면에 나머지 2개의 다리부(1b)는 장볼트로 구성되어서 엔진의 오일홀 속에 삽입되게 된다.Four leg portions of the outer bridge 1 are formed at each corner of the bridge body 1c, and the two leg portions 1a are formed to be bent in a direction perpendicular to the bridge body integrally with the engine. While the other two legs (1b) is seated on the upper surface of the long bolt is to be inserted into the engine oil hole.

상기 브리지 바디의 상기 체결볼트가 체결되는 조립홀의 내주면에는 나사탭이 형성되어 있어서 상기 나사탭에 상기 체결볼트(2)가 체결되게 되고, 상기 체결볼트(2)의 하부 외주면에는 나사탭이 형성되지 않을 뿐만 아니라 상기 홀더의 체결볼트가 관통해서 끼워지는 조립홀의 내주면에도 나사탭이 형성되지 않아서 체결볼트는 상기 홀더에 단순히 끼워져 결합되게 된다. 상기 체결볼트로부터 상기 홀더가 이탈되지 않도록 상기 체결볼트의 하단부에는 걸림턱이 형성되어 있어서 상기 체결볼트가 상기 홀더의 조립홀에 관통되게 끼워져서 상기 걸림턱을 매개로 상기 홀더를 지지하게 된다.Screw tabs are formed on the inner circumferential surface of the assembling hole to which the fastening bolts of the bridge body are fastened, so that the fastening bolts 2 are fastened to the screw tabs, and screw tabs are not formed on the lower outer circumferential surface of the fastening bolts 2. In addition, since the thread tab is not formed on the inner circumferential surface of the assembly hole through which the fastening bolt of the holder is fitted, the fastening bolt is simply inserted into the holder to be coupled. A locking jaw is formed at the lower end of the locking bolt so that the holder is not separated from the locking bolt so that the locking bolt is inserted through the assembly hole of the holder to support the holder through the locking jaw.

그리고, 상기 체결볼트의 상부에만 나사탭이 형성되어 있기 때문에 상기 체결볼트를 적절한 도구를 사용해서 회전시키면 상기 체결볼트가 브리지 바디의 상면으로부터 위로 상승하게 되는 데, 이 때에 상기 홀더는 체결볼트에 단순히 끼워져 지지되어 있으므로, 상기 체결볼트의 회전에 의해 상기 홀더는 회전하지 않고 체결볼트와 함께 위로 상승하게 되는 것이다.Since the screw tab is formed only on the upper part of the fastening bolt, when the fastening bolt is rotated using an appropriate tool, the fastening bolt rises upward from the upper surface of the bridge body, wherein the holder is simply attached to the fastening bolt. Since it is fitted and supported, the holder is lifted up together with the fastening bolt without rotating by the fastening bolt.

상기 홀더(4)는 상기 체결볼트가 관통되게 끼워지는 조립홀을 가진 홀더바디(4a)와, 이 홀더바디의 일측에 하방으로 절곡되어 일체로 형성된 고정홀더턱(4b), 상기 홀더바디에 형성된 서로 평행하게 형성된 2개의 가이드슬롯(4c), 상기 홀더바디의 일측면에 돌출되게 형성된 가이드볼트(4d), 상기 가이드슬롯에 끼워져 안내 이동가능하게 설치되는 대체로 Ｔ자 형상을 한 이동홀더턱(4e) 및, 상기 가이드볼트에 체결되는 조절너트(4f)를 각각 구비하고 있다.The holder 4 has a holder body 4a having an assembly hole through which the fastening bolt is inserted, a fixed holder jaw 4b formed integrally bent downward on one side of the holder body, and formed on the holder body. Two guide slots 4c formed in parallel to each other, a guide bolt 4d formed to protrude on one side of the holder body, and a generally T-shaped moving holder jaw 4e fitted to the guide slot and installed to be guided and movable. And an adjustment nut 4f fastened to the guide bolt.

이에 따라, 상기 이동홀더턱의 양측단부를 상기 가이드슬롯에 끼운 다음에 상기 홀더바디를 상기 가이드볼트에 끼우면 고정홀더턱과 이동홀더턱 사이의 간격을 조절할 수 있게 되고, 상기와 같이 조절된 간격은 상기 조절너트를 상기 가이드볼트에 체결함으로써 유지되게 된다.Accordingly, if both side ends of the movable holder jaw are inserted into the guide slot and the holder body is inserted into the guide bolt, the distance between the fixed holder jaw and the movable holder jaw can be adjusted. The adjustment nut is maintained by fastening to the guide bolt.

본 발명에 따른 인젝터 탈부착장치를 사용해서 인젝터를 엔진으로부터 탈거하기 위해 도 3에 도시된 바와 같이, 먼저 외측 브리지의 2개의 다리부(1a)를 엔진 의 상면에 안착시키고, 나머지 2개의 다리부를 엔진의 오일홀 속에 끼워서 외측 브리지를 안정시킨다.In order to remove the injector from the engine using the injector detachment apparatus according to the present invention, as shown in FIG. 3, first, two leg portions 1a of the outer bridge are seated on the upper surface of the engine, and the remaining two leg portions are connected to the engine. The outer bridge is stabilized by inserting it into the oil hole of the.

다음에 상기 조절너트를 풀어서 고정홀더턱과 이동홀더턱 사이의 간격을 조절해서 인젝터(3)의 외주면에 상기 고정홀더턱과 이동홀더턱이 각각 걸려지게 한 다음에 에어공구를 사용해서 상기 체결볼트(2)를 회전시켜 주면, 상기 체결볼트(2)가 회전하면서 위로 상승하게 되고, 상기 홀더는 상기 체결볼트에 의해 함께 위로 상승하면서 상기 홀더의 고정홀더턱과 이동홀더턱 사이에 물어 잡혀진 인젝터(3)가 홀더에 의해 위로 뽑혀지게 된다.Next, by adjusting the gap between the fixed holder jaw and the movable holder jaw by loosening the adjusting nut, the fixing holder jaw and the moving holder jaw are hung on the outer circumferential surface of the injector 3, and then the fastening bolt is used by using an air tool. When rotating (2), the fastening bolt (2) ascends upward while rotating, the holder is lifted up together by the fastening bolt, the injector caught between the fixed holder jaw and the moving holder jaw of the holder (3) is pulled up by the holder.

한편, 인젝터를 엔진에 다시 장착하고자 할 경우에는 상기 체결볼트를 반대방향으로 회전시키면, 상기 체결볼트에 의해 상기 홀더가 하강하면서 홀더에 물어 잡혀진 인젝터도 함께 하강해서 엔진에 인젝터를 용이하게 장착할 수 있게 된다.On the other hand, when the injector is to be mounted on the engine again, if the fastening bolt is rotated in the opposite direction, the holder is lowered by the fastening bolt and the injector held by the holder is also lowered to easily mount the injector to the engine. It becomes possible.

이상 설명한 바와 같이 본 발명에 따른 인젝터 탈부착장치에 의하면, 에어공구를 사용해서 외측 브리지와 홀더를 체결하고 있는 체결볼트를 회전시켜주면 상기 체결볼트에 의해 인젝터를 물어 잡고 있는 홀더가 상승하면서 엔진에 장착된 인젝터가 엔진으로부터 뽑혀져 나오게 되고, 상기 체결볼트를 반대방향으로 회전시켜주면 인젝터를 다시 엔진에 용이하게 장착할 수 있으므로, 인젝터의 탈거 및 장착 작업이 힘들이지 않고 용이하면서 편리하게 이루어지는 등의 효과가 있게 된다.As described above, according to the injector detaching apparatus according to the present invention, when the fastening bolt which fastens the outer bridge and the holder by using an air tool is rotated, the holder holding the injector by the fastening bolt is raised and mounted on the engine. When the injector is pulled out of the engine and rotates the fastening bolt in the opposite direction, the injector can be easily mounted on the engine. Therefore, the injector can be easily and conveniently removed and mounted. Will be.

Claims (5)

엔진에 안착되는 4개의 다리부를 구비한 외측 브리지와, 인젝터를 물어 잡는 2개의 홀더턱을 구비한 홀더, 상기 외측 브리지와 상기 홀더를 체결하는 체결볼트를 구비한 인젝터 탈부착장치.An injector attachment and detachment device having an outer bridge having four legs mounted on an engine, a holder having two holder jaws for holding the injector, and a fastening bolt for fastening the outer bridge and the holder. 제 1항에 있어서, 상기 외측 브리지의 4개의 다리부는 엔진의 상면에 안착되는 2개의 제1다리부와, 엔진의 오일홀 속에 삽입되어 고정되는 장볼트로 이루어진 2개의 제2다리부로 이루어진 것을 특징으로 하는 인젝터 탈부착장치.The method of claim 1, wherein the four legs of the outer bridge is characterized by consisting of two first legs that are seated on the upper surface of the engine, and two second legs consisting of long bolts inserted into and fixed in the oil hole of the engine. Injector attachment and detachment device. 제 2항에 있어서, 상기 제1다리부는 브리지 바디에 일체로 형성되고, 상기 브리지 바디에는 체결볼트가 관통해서 체결되도록 나사탭이 형성된 조립홀을 갖춘 것을 특징으로 하는 인젝터 탈부착장치.The injector attachment and detachment device according to claim 2, wherein the first leg part is integrally formed in the bridge body, and the bridge body has an assembly hole in which a screw tab is formed so that the fastening bolt penetrates through the bridge body. 제 1항에 있어서, 상기 홀더는 상기 체결볼트가 관통되게 끼워지는 조립홀을 가진 홀더바디와, 이 홀더바디의 일측에 하방으로 절곡되어 일체로 형성된 고정홀더턱, 상기 홀더바디에 형성된 서로 평행하게 형성된 2개의 가이드슬롯, 상기 홀더바디의 일측면에 돌출되게 형성된 가이드볼트, 상기 가이드슬롯에 끼워져 안내 이동가능하게 설치되는 대체로 Ｔ자 형상을 한 이동홀더턱 및, 상기 가이드볼트에 체결되는 조절너트를 각각 구비한 것을 특징으로 하는 인젝터 탈부착장치.The holder body of claim 1, wherein the holder body has an assembly hole through which the fastening bolt is inserted, a fixing holder jaw formed integrally by bending downwardly on one side of the holder body, and formed in parallel with each other on the holder body. Two guide slots formed, a guide bolt formed to protrude on one side of the holder body, a generally T-shaped moving holder jaw fitted to the guide slot and installed to be guided movable, and an adjusting nut fastened to the guide bolt. Injector detachment device, characterized in that each provided. 제 1항에 있어서, 상기 체결볼트의 하부는 상기 홀더의 조립홀에 관통되게 끼워져서 걸림턱을 매개로 홀더를 지지하는 것을 특징으로 하는 인젝터 탈부착장치.The injector detachment apparatus of claim 1, wherein a lower portion of the fastening bolt is inserted through the assembly hole of the holder to support the holder through the locking jaw.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170000616A (en) 2015-06-24 2017-01-03 최봉열 Apparatus for taking off the injector using hydraulic system
CN110421517A (en) * 2019-09-05 2019-11-08 中船动力研究院有限公司 A kind of camshaft dismounting tooling and camshaft assembly and disassembly methods

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KR200458418Y1 (en) * 2009-01-05 2012-02-15 르노삼성자동차 주식회사 Separating device of fuel pump drive gear

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KR0131243B1 (en) * 1995-12-14 1998-04-21 우덕창 Apparatus for removing injectors from diesel engine
KR19980030275U (en) * 1996-11-29 1998-08-17 양재신 Bush Extractor
JPH1133929A (en) * 1997-07-16 1999-02-09 Hitachi Building Syst Co Ltd Knock pin extracting device
KR100569988B1 (en) * 2003-12-18 2006-04-10 현대자동차주식회사 Apparatus for taking off the injector on cylinder head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170000616A (en) 2015-06-24 2017-01-03 최봉열 Apparatus for taking off the injector using hydraulic system
CN110421517A (en) * 2019-09-05 2019-11-08 中船动力研究院有限公司 A kind of camshaft dismounting tooling and camshaft assembly and disassembly methods

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