KR20170000616A - Apparatus for taking off the injector using hydraulic system - Google Patents

Apparatus for taking off the injector using hydraulic system Download PDF

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Publication number
KR20170000616A
KR20170000616A KR1020150089763A KR20150089763A KR20170000616A KR 20170000616 A KR20170000616 A KR 20170000616A KR 1020150089763 A KR1020150089763 A KR 1020150089763A KR 20150089763 A KR20150089763 A KR 20150089763A KR 20170000616 A KR20170000616 A KR 20170000616A
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KR
South Korea
Prior art keywords
injector
housing
hole
cylinder
fitting
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KR1020150089763A
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Korean (ko)
Inventor
최봉열
Original Assignee
최봉열
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Priority to KR1020150089763A priority Critical patent/KR20170000616A/en
Publication of KR20170000616A publication Critical patent/KR20170000616A/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
    • B25B27/02—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
    • B25B27/026—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 fluid driven
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
    • B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
    • B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
    • B23P19/042—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts specially adapted for combustion engines
    • 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
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
    • B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines

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

Abstract

The present invention relates to an injector detaching apparatus using a hydraulic machine.
An injector detaching apparatus using a hydraulic device according to the present invention includes
A housing in which an injector blowout hole is formed at the center in the longitudinal direction, an open groove communicating with the injector blowout hole is formed at one side in the longitudinal direction, and a hook protruding toward the center of the injector blowout hole is formed at the lower portion; A rod portion inserted into an upper portion of the injector blowout hole and having a male thread formed on an outer periphery thereof; A support having a through hole through which a lower portion of the housing is inserted, the support being seated on an upper surface of the engine; A cylinder in which the housing is housed in the hollow, and a lower portion is seated on the upper surface of the support; A shim fit on the top of the cylinder; And a block member fastened to an upper end of the rod portion.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an injector-

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for easily and easily removing an injector mounted on an engine cylinder of a vehicle and, more particularly, And more particularly, to an injector detaching apparatus using a hydraulic device capable of reducing the time required for removing an injector by preventing breakage of an injector head portion that often occurs during a detachment operation.

Generally, an injector is a fuel injecting device used in a vehicle, which opens and closes the fuel outlet through an electrical signal, and injects the liquid fuel into the combustion chamber of the engine by atomizing the liquid fuel.

The injector is buried toward the combustion chamber of the engine, and one or more injectors are mounted in each combustion chamber of the engine.

If the function of the injector deteriorates or a failure occurs, the fuel injection is not performed or becomes bad, and the normal operation of the engine becomes difficult. As a result, many symptoms such as engine trouble, engine power decrease, fuel over- Poor injectors must be repaired or replaced with new ones.

In recent years, when an injector malfunctions, an electronic control unit (ECU) recognizes the malfunction and alerts the driver to the malfunction.

However, the injector mounted on the engine cylinder is often fixed to the engine cylinder due to the gas, grease, and corrosion caused during the operation, so that it is often impossible to remove the injector by grip force of the operator.

Accordingly, it takes a long time to remove the injector fixed to the engine cylinder, and the injector may be broken during the removal operation.

As an injector detaching device for solving such a problem, there are known an injector detaching device of Korean Patent Laid-open Publication No. 10-2005-0061627 and an injector detachment device of Korean Patent Laid-open Publication No. 10-2007-0063338, 10-1152480 entitled " Vehicle Common Rail Injector Deducting Apparatus "and Korean Registered Patent No. 10-1360094 entitled " Injector Removal Device Using a Vibrator"

In Korean Patent Laid-Open Publication No. 10-2005-0061627, there is proposed a device for fixing the neck portion of the injector to the injector fixing jig and separating the injector from the engine cylinder by operating the hydraulic machine, In the "injector attaching / detaching device" of Publication No. 10-2007-0063338, when the injector is fixed to the holder and then the air tool is driven to rotate the fastening bolt connected to the holder, the fastening bolt rotates upward to lift the injector, .

In addition, in the above-mentioned Korean Patent Registration No. 10-1152480 entitled "Device for exclusive use of automobile common rail injector," the injector detachable support housing is coupled to the injector to be detached and fixed with a spanner to fix the fixed block and the tapered bearing, Discloses a device for detaching an injector by rotating a hexagonal rotation operating part using a spanner. In the "injector detaching device using a vibrator ", Korean Patent Registration No. 10-1360094, the function of the injector fixed to the engine cylinder is lost If you want to replace the chemical, inject the chemical around the injector, and use the compressed air to reciprocate the cylinder body of the vibrator at high speed, so that strong chemical vibration occurs between the engine cylinder and the injector, A device has been proposed All.

However, in the related arts, the removal of the injector is performed only by hand, so that a lot of effort is required for the user, or the injector head is damaged during the removal operation, so that much effort and time are often required .

Accordingly, there is a demand for an injector detachment device which can easily and easily remove the injector fixed to the engine cylinder, and can prevent damage to the injector head portion during the detachment operation.

Korean Patent Publication No. 10-2005-0061627 (2005. 06. 23) Korean Patent Publication No. 10-2007-0063338 (2007. 06. 19) Korean Registered Patent No. 10-1152480 (2012. 05. 25) Korean Registered Patent No. 10-1360094 (Apr. 201, 02)

The injector detacher using the hydraulic device according to the present invention has been proposed to solve the problems of the related art as described above. It is an object of the present invention to provide an injector detacher using a hydraulic device, , Excessive fuel consumption and excessive smoke generation;

The injector was stuck to the engine cylinder due to gas, soot, and corrosion, which made it very difficult to remove it;

The conventional injector detacher has a problem that the head portion of the injector to be replaced is exerted only on the head portion of the injector so that the head portion of the injector is easily broken during the detachment of the injector;

A problem that requires much effort and time is required to remove the remaining portion of the injector from which the head portion has been broken off from the engine cylinder. Therefore, the object of the present invention is to provide a solution to this problem.

In order to achieve the above object, according to the present invention, there is provided an injector detaching apparatus using a hydraulic device,

Wherein an injector blowout hole is formed at the center in the longitudinal direction through the upper and lower ends and an open groove communicating with the injector blowout hole is formed in one side portion in the longitudinal direction and the lower portion of the injector blowout hole is formed in the center direction of the injector blowout hole A housing having protruding locking protrusions formed therein; A rod portion inserted into an upper portion of the injector blow-out hole in a threaded manner and having male threads formed on an outer periphery thereof; A support having a through hole through which a lower portion of the housing is inserted, the support being seated on an upper surface of the engine; A cylinder in which the housing is housed in a hollow, and a lower portion is seated on an upper surface of the support; A shim fit on the top of the cylinder; A block fastened to an upper end of the rod portion; The present invention also provides an injector detachment device using a hydraulic device including a hydraulic pump.

According to the present invention, there is provided an injector detaching apparatus using a hydraulic machine,

It is easy and easy to remove the injector mounted on the engine cylinder, so that it is possible to obtain an effect of facilitating periodic injector preventive maintenance;

The detachable effect can be obtained even when the injector to be replaced is adhered to the automobile engine cylinder because the function is lost or deteriorated;

It is possible to obtain an effect that the breakage of the injector head portion, which often occurs during the removal operation, is prevented;

As a result, it is possible to obtain an effect of drastically reducing the replacement operation time of the injector.

1 is an external perspective view of an injector removing apparatus using a hydraulic device according to the present invention.
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an injector detachment device using a hydraulic device.
3 is an external perspective view of a housing of an injector detachment apparatus using a hydraulic device according to the present invention.
4 is an external perspective view of a rod portion of an injector detaching apparatus using a hydraulic device according to the present invention.
5 (a) to 5 (k) are views showing an injector detaching apparatus using a hydraulic device according to the present invention.
Fig.

The present invention relates to an apparatus capable of easily and easily removing an injector (170) mounted on an engine cylinder of a vehicle, wherein an injector blowout hole (101) penetrating the upper end and the lower end is formed at the center in the longitudinal direction, An opening groove 102 communicating with the hole 101 is formed at one side in the longitudinal direction and a hook 103 protruding toward the center of the injector blowout hole 101 is formed in the lower portion of the injector blowout hole 101, (100); A rod 110 inserted into an upper portion of the injector blowout hole 101 in a threaded manner and having male threads 111 formed on an outer periphery thereof; A support 150 which is seated on an upper surface of the engine and has a through hole 151 through which a lower portion of the housing 100 is inserted; A cylinder 120 housing the housing 100 in the hollow and having a lower portion seated on an upper surface of the support 150; A fitting (130) seated on the upper end of the cylinder (120); A block 140 which is fastened to an upper end of the rod 110; The present invention relates to an injector detaching apparatus using a hydraulic motor.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First, a common injector 170 is configured such that a lower end portion, a middle portion, and a head portion are sequentially connected. The lower end portion is internally connected to an engine cylinder to have a distal end positioned in a combustion chamber of the engine. And is exposed in a protruded state on the top of the head.

Specifically, the housing 100 is formed with an injector blowout hole 101 penetrating the upper and lower ends thereof at the center in the longitudinal direction, and an open groove 102 communicating with the injector blowout hole 101 is formed at one side And an engagement protrusion 103 protruding toward the center of the injector blowout hole 101 is formed in the lower portion of the injector blowout hole 101. The injector head portion 171 is held by the upper And pulls up the intermediate portion of the injector 170 by the catching jaw 103 to provide a pulling force for pulling out the injector 170 that is drawn into the engine cylinder.

That is, the injector blowout hole 101 is formed in the center of the housing 100 and has the same longitudinal direction as the longitudinal direction of the housing 100, and may be divided into an upper portion, a middle portion, and a lower portion.

The upper portion of the injector blowout hole 101 is formed with a female screw thread which is engaged with the rush nut 111 formed on the outer periphery of the rod portion 110 as a passage through which the rod portion 110 described below is inserted, The central portion of the hole 101 is wide enough to allow the injector head portion 171 drawn into the housing 100 to be inserted through the open groove 102, And a width of the lower portion is formed by the engaging jaw 103 in a state where the width is narrower than the width of the middle portion.

The open groove 103 communicating with the injector blowout hole 101 is formed at one side in the longitudinal direction of the housing 100 and is configured to allow the injector 170 to be drawn into the injector blowout hole 101 And a hose coupling hole 172 protruding from the injector head 171 is formed in the housing 100 so as not to be caught by the housing 100.

Further, it is needless to say that the open groove 102 should be formed to have a width sufficient for the injector 170 to be drawn in.

The engaging protrusion 103 protruding toward the center of the injector blowout hole 101 at the lower portion of the injector blowout hole 101 narrows the width of the lower portion of the injector blowout hole 101, 101 has a width that is wider than that of the lower portion of the injector head portion 171 but narrower than the injector stop portion so that it can be caught at the lower portion of the injector stop portion.

 The injector detaching apparatus using the hydraulic device according to the present invention includes a rod portion 110 inserted into the injector blowout hole 101 formed in the upper portion of the housing 100 in a screwing manner and having male threads 111 formed on the outer periphery thereof, .

A portion of the lower portion of the rod portion 110 is inserted into the ejection hole 101 and the portion not inserted into the ejection hole 101 is formed by the following fittings 130, Hole cylinder 160 and the following block body 140 sequentially.

The rod portion 110 has a length that is inserted into the ejection hole 101 and a height including the height of the fitting 130, the center hole cylinder 160, and the block 140, And is configured to have a longer length.

A hollow may be formed at the lower end of the rod portion 110 to receive the upper portion of the injector head portion 171 corresponding to the upper portion of the injector 170. The hollow portion of the injector head portion 171 A female thread 112 may be formed to correspond to a male thread formed on the side surface.

In addition, the hollow formed at the lower end of the rod 110 may have a length enough to accommodate the injector head portion 171.

In addition, the injector detaching apparatus using the hydraulic device according to the present invention is provided with a support 150 which is seated on the upper surface of the engine cylinder and has a through hole 151 through which the lower portion of the housing 100 is inserted.

One or more through holes may be formed in the supporter 150 so that the upper and lower passages may pass through the protrusion of the upper surface of the engine cylinder so that the upper and lower passages may pass therethrough. It is preferable to have a size that can be used.

At this time, the protrusion provided on the upper surface of the engine cylinder may correspond to a bolt or an engine cylinder attached to a certain portion of the engine cylinder adjacent to the injector.

In addition, the injector detaching apparatus using the hydraulic device according to the present invention includes a cylinder 120 in which the housing 100 is installed in the hollow and the lower portion is seated on the upper surface of the support 150.

The height of the cylinder 120 is preferably greater than the height of the housing 100 except for the portion to be inserted into the through hole of the support 150. Preferably, (Not shown).

A stepped fitting groove 121 may be formed on the upper surface of the cylinder 120 along a hollow outer circumference of the cylinder 120. The fitting groove 121 may be downwardly directed, It is desirable that the jaw 131 has such a depth as to be able to be inserted therein. A concrete description of the fastening between the fitting groove 121 and the fitting jaw 131 will be described later.

Also, the injector detaching apparatus using the hydraulic device according to the present invention is provided with a fitting 130 that is seated on the upper end of the cylinder 120.

In other words, the shim 130 is positioned between the cylinder and the center hole cylinder 160. When the shim 130 is seated on the upper end of the cylinder 120 and the housing 100 can pass therethrough, A hole having an inner diameter allowing the housing 100 to pass therethrough may be formed at the central portion and a cutout portion communicating the hole and the side portion may be formed at one side.

At this time, the hole must have a width wider than the width of the housing 100 so that the housing 100 can pass through. However, the width of the hole is narrower than the width of the cylinder 120 in order to be seated at the upper end of the cylinder 120 Should have.

In addition, the cut-out portion should be formed to have a width larger than the width of the rod portion 110 so as to pass through the rod portion 110.

A stepped fitting groove 121 is formed in the upper surface of the cylinder 120 along a hollow outer circumference of the cylinder 120. A bottom surface of the fitting body 130 is fitted with a fitting protrusion A jaw 131 may be provided.

That is, the fitting groove 121 and the fitting step 131 are fitted to each other when the fitting 130 is seated on the upper end of the cylinder 120, Achieves a fixed effect without leaving the seat.

Further, the upper surface of the shim 130 may be provided with a step-and-step fitting mold 132 along a hollow outer circumference.

That is, when the another fitting 130 is seated on the upper end of the fitting 130 mounted on the upper end of the cylinder 120, the fitting frame 132 is fitted to the lower portion of the fitting 130, So that the upper fitting 130 is fixed without being removed from the seat when the hydraulic actuator is driven.

The height of the fitting shaft 130 is determined by considering the height of the piston stroke 161 protruding from the center hole cylinder 160 of the hydraulic cylinder when the hydraulic pressure is applied by driving the hydraulic cylinder, It is preferable to have the same height.

The hydraulic motor includes a center hole cylinder 160, a piston stroke 161 and a hydraulic pump. The center hole cylinder 160 is connected to the fitting 130 of the injector detaching apparatus according to the present invention, The rod portion 110 is received between the cylinder 140 and the cylinder 120 and then the pressing force is applied by hydraulic pressure to the cylinder 120 through the center hole cylinder 160 to take the injector 170 out of the engine cylinder .

In addition, the injector detaching apparatus using a hydraulic device according to the present invention is provided with a block body 140 to be fastened to the upper end of the rod unit 110.

The block body 140 is provided with a hollow having a female thread on the side thereof so as to be coupled with the male threads 111 on the outer periphery of the rod 110, So that it can be moved up and down by rotating in the outer periphery.

In addition, the block body 140 is preferably formed of a tool such as a spanner or a nut type that makes a polygonal outer circumference for easy rotation with a hand.

In the injector detaching apparatus using the hydraulic device according to the present invention, a breakage injector blowout hole passing through the upper and lower ends is formed at the center in the longitudinal direction, and a second open groove communicating with the breakage injector blowout hole is formed, And a second housing having a second latching protrusion at a lower portion of the breakage injector blowout hole can be used in place of the housing.

The second housing is a device for removing the injector remaining in the engine cylinder when the injector 170 is broken during use of the injector detacher of the present invention. The broken housing injector is similar to the housing 100, So that it is not necessary to have a space in which the head part is to be drawn into the housing. Thus, it is preferable to make the body length short.

That is, the housing 100 is configured to grip the head portion of the injector and to pull it up, and pull up the intermediate portion of the injector by the engagement jaw to provide a pulling force to take out the lower end portion of the injected object into the engine cylinder. The second housing is configured to pull up only the intermediate portion of the injector to remove the remaining portion of the injector whose head portion is broken off from the engine cylinder.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of an injector detaching apparatus using a hydraulic device according to the present invention will be described in detail with reference to FIGS. 5 (a) to 5 (k).

5 (a) to 5 (k) are views showing embodiments of an injector detaching apparatus using a hydraulic device according to the present invention.

 The lower end of the injector 170 is inserted into and engaged with the engine cylinder, and the intermediate portion and the head portion protrude from the upper portion of the engine head.

First, as shown in FIG. 5A, an open groove 102 formed in a longitudinal direction of a side of the housing 100 is inserted into an injector 170 having a lower end portion inserted into the engine cylinder, So that the injector 170 is seated inside the housing 100.

At this time, the hose connector 172, which is a protruded portion of the injector 170, protrudes outward through an open groove 102 formed in the longitudinal direction of the side of the housing 100, .

The hollow portion formed at the lower end of the rod portion 110 is directed downward through the injector blowout hole 101 in the upper portion of the housing 100 in which the injector 170 is seated, ) In a clockwise direction.

5B is an illustration showing a state in which the rod 110 is inserted into the housing 100. FIG.

A male thread is formed on the outer circumference of the injector head part 171 mounted in the housing 100 and the injector head part 171 is fixed to the lower end of the rod part 140 inserted into the housing 100 And is fastened in correspondence with the female thread 112 formed on the inner surface of the formed hollow.

Then, as shown in FIG. 5C, the supporter 150 is mounted on the upper surface of the engine in such a manner that the through hole of the supporter 150 surrounds the lower portion of the housing 100.

At this time, in order to seat the support 150 on the upper surface of the engine cylinder, a plurality of protrusions on the upper part of the engine head are obstructed. At least one through hole is provided in the support 150, do.

5D, the cylinder 120 is vertically lowered from the top of the housing 100 so that the housing 100 is housed in the hollow of the cylinder 120, Place it on the surface.

Thereafter, as shown in FIG. 5E, a stepped groove is formed along the outer circumference of the upper surface of the cylinder 120, and a fitting groove 121 is formed in a vertical direction toward the lower surface from the upper surface of the cylinder 120 A fitting jaw formed to protrude in a vertical direction is fastened to the lower surface of the fitting shaft 130 so that the fitting shaft 130 is seated on the upper end of the cylinder 120.

When the oil pressure is applied to the cylinder 120 by driving the hydraulic oil pump, the shaft 130 is formed at the center of the hole with the inner diameter allowing the housing 100 to pass therethrough. When the oil pressure is applied to the cylinder 120, The housing 100 is lifted up through the fitting 130 by the height of the fitting 130 and the injector 170 is also elevated by the height of the fitting 130 and removed.

Then, as shown in FIG. 5F, the center hole cylinder 160 of the hydraulic machine is seated on the upper surface of the shim 130.

At this time, the rod 110 passes through both the fitting 130 and the center hole cylinder 160, and the end of the rod 110 protrudes outward.

5G, the block body 140 is fastened to the rod 110 protruding through the center hole cylinder 160. As shown in FIG.

The inner surface of the through hole formed at the central portion in the longitudinal direction of the block body 140 is formed with a female screw thread so as to be coupled with the male thread 111 on the outer circumference of the rod portion 110, Rotates clockwise until it comes into contact with the upper surface of the piston stroke 161 of the center hole cylinder 160.

5H, when the hydraulic pressure is applied to the center hole cylinder 160 by driving the hydraulic machine, the piston stroke 161 of the center hole cylinder 160 is raised and the piston stroke 161 The rod part 110 to which the block member 140 is fastened also rises to the top by the block member 140 that is in contact with the rod member.

When the rod 110 is lifted up, the housing 100, to which the rod 110 is fastened, is also lifted. As a result, the injector 170, which is seated in the housing 100, The effect of removing from the cylinder occurs.

The male thread formed on the outer periphery of the injector head portion 171 is fastened to the female thread 112 formed on the hollow inner side of the lower end of the rod portion 110 inserted into the housing 100, When the housing 100 is lifted up, both the head portion and the middle portion of the injector 170 have a strong upward force .

When the piston stroke 161 rises to the maximum height, the hydraulic pressure applied to the center hole cylinder 160 is released and the block body 140 is rotated clockwise by a tool such as a spanner.

When the block body 140 is rotated in the clockwise direction, the piston stroke 161 in which the hydraulic pressure is released is lowered so that the center hole cylinder 160 has the original flat upper surface shape. At the same time, 110 are lifted up to maintain the height of the injector 170 as removed.

5 (i), the block body 140 is rotated in a counterclockwise direction to be detached from the rod portion 110, and the center hole cylinder 160 is lifted up to the top of the cylinder 120 A further one of the shims (130) is seated on the upper end of the shim (130) which is seated.

At this time, the fitting jaw 131 provided on the lower surface of the fitting 130 located at the upper one of the two sets of the fittings 130 is inserted into the fitting frame 130 formed on the upper surface of the fitting 130, 132, respectively.

5J, the block body 140 is further coupled with the rod portion 110 to rotate the block body 140 in a clockwise direction until the block body 140 comes into contact with the upper surface of the piston stroke 161 Turn it.

By further inserting one fitting 130, the injector 170 already detached from the engine cylinder by the height of the existing fitting 130 can be further lifted up and removed. FIG. And the injector 170 is removed once.

When the above process is performed, the injector 170 fixed to the engine cylinder can be easily and easily removed.

The embodiments described above are provided by way of example for the purpose of enabling a person skilled in the art to sufficiently transfer the technical idea of the present invention to the embodiments described above, But may be embodied in other forms without limitation.

In order to clearly explain the present invention, parts not related to the description are omitted from the drawings, and the width, length, thickness, etc. of the components may be exaggerated for convenience.

Like reference numerals designate like elements throughout the specification.

100: housing 101: injector blowout hole
102: open groove 103:
110: rod part 111: male thread
112: female thread 120: cylinder
121: fitting groove 130:
131: insert jaw 132: insert frame
140: Block body 150: Support
151: Through hole 160: Center hole cylinder
161: Piston stroke 170: Injector
171: injector head part 172: hose connector

Claims (6)

An injector blowout hole 101 penetrating the upper and lower ends is formed at the center in the longitudinal direction and an open groove 102 communicating with the injector blowout hole 101 is formed at one side in the longitudinal direction, A housing having a lower portion of the hole formed with a latching protrusion protruding toward the center of the injector blowout hole;
A rod 110 inserted into an upper portion of the injector blowout hole 101 in a threaded manner and having male threads 111 formed on an outer periphery thereof;
A support mounted on an upper surface of the engine and having a through hole through which a lower portion of the housing is inserted;
A cylinder 120 housing the housing 100 in the hollow and having a lower portion seated on an upper surface of the support 150;
A fitting (130) seated on the upper end of the cylinder (120);
And a block body (140) fastened to an upper end of the rod section (110).
The method according to claim 1,
A hollow for receiving the upper portion of the injector 170 is formed on the lower end of the rod 110 and a female thread 112 is formed on the inner side of the hollow for fastening the male thread of the injector head portion 171 Features of the injector detacher using a hydraulic device.
The method according to claim 1,
Wherein at least one through hole is formed in the supporter (150) so that upper and lower passages are formed.
The method according to claim 1,
Wherein the fitting shaft (130) is formed at a central portion with an inner diameter hole through which the housing (100) can pass, and a cutout portion communicating the hole and the side portion is formed at one side.
5. The method of claim 4,
A stepped fitting groove 121 is formed on the upper surface of the cylinder 120 along a hollow outer circumference,
And a fitting jaw protruded to be coupled with the fitting groove (121) is provided on a lower surface of the fitting shaft (130).
6. The method of claim 5,
Wherein a stepped fastener (132) is formed on the upper surface of the fitting (130) along a hollow outer circumference.
KR1020150089763A 2015-06-24 2015-06-24 Apparatus for taking off the injector using hydraulic system KR20170000616A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050061627A (en) 2003-12-18 2005-06-23 현대자동차주식회사 Apparatus for taking off the injector on cylinder head
KR20070063338A (en) 2005-12-14 2007-06-19 현대자동차주식회사 Injector removing and mounting device
KR101152480B1 (en) 2011-10-19 2012-06-01 이재근 Escape evice for automobile common rail injector
KR101360094B1 (en) 2012-10-18 2014-02-12 조선대학교산학협력단 Device for removing injector using vibrator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050061627A (en) 2003-12-18 2005-06-23 현대자동차주식회사 Apparatus for taking off the injector on cylinder head
KR20070063338A (en) 2005-12-14 2007-06-19 현대자동차주식회사 Injector removing and mounting device
KR101152480B1 (en) 2011-10-19 2012-06-01 이재근 Escape evice for automobile common rail injector
KR101360094B1 (en) 2012-10-18 2014-02-12 조선대학교산학협력단 Device for removing injector using vibrator

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