CN102133745B - Injector removal tool for removing an injector from a cylinder head - Google Patents
Injector removal tool for removing an injector from a cylinder head Download PDFInfo
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- CN102133745B CN102133745B CN201010597003.XA CN201010597003A CN102133745B CN 102133745 B CN102133745 B CN 102133745B CN 201010597003 A CN201010597003 A CN 201010597003A CN 102133745 B CN102133745 B CN 102133745B
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- injector
- arm
- cylinder head
- removal tool
- pivoting portions
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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
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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
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- 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)
- Automatic Assembly (AREA)
Abstract
The invention provides an injector removal tool for removing an injector from a cylinder head. A support platform is fixed to the cylinder head. A pivot portion is mounted on the support platform. A arm portion is provided so as to rotate on the pivot portion as a fulcrum. A transfer portion is supported on the arm portion at one end in a position lying spaced away from the pivot portion and is locked on the injector at the other end thereof. A force exerted on the one end to rotate the arm portion is transferred as a force to remove the injector at the other end.
Description
Technical field
The present invention relates to a kind of injector removal tool.
Have a kind of relevant for remove the injector removal tool (referring to Patent Document 1) of injector from cylinder head.Be arranged at the threaded portion of the head of injector by use, utilize relevant injector removal tool to remove individually injector.
[patent documentation 1] Japanese patent application publication No. 2008-261273A
Background technology
Relevant injector removal tool is designed to, removes individually injector from cylinder head.Therefore, using in the work of related tool, injector need to be separated with cartridge, make injector to be removed from cylinder head.Therefore, increased the dismounting man-hour used of injector.In addition, in the time reinstalling cylinder head, injector need to be aimed at cartridge, this makes the work of reinstalling of injector become complicated.
Summary of the invention
Therefore, an object of the present invention is, a kind of injector removal tool that can remove from cylinder head injector is provided, it does not comprise the work that cartridge is separated with injector.
According to a favourable aspect of the present invention, provide a kind of for remove the injector removal tool of injector from cylinder head, comprising:
Support platform part, is suitable for being fixed to cylinder head;
Pivoting portions, is arranged in support platform part;
Arm, is set to around the pivoting portions rotation as fulcrum; And
Running part, its one end is being supported on arm away from the position separating with pivoting portions, and its other end is locked on injector, running part is configured to, transmission puts on the active force on one end, to rotate arm, as the power of injector of removing other end place.
Arm can comprise: the first arm, and it extends to one end of arm from pivoting portions; And second arm, it extends to an application point from pivoting portions, and on this application point, the power of rotation the second arm is applied in a side of pivoting portions, this side is different from a side of one end of arm, and the second arm has the length longer than the length of the first arm.
The second arm can extend beyond support platform part.
The multiple injectors that are similar to this injector can be set in cylinder head, and the multiple running parts and the arm that are similar to this running part and arm can be set, with corresponding with multiple injectors respectively.
One end of running part can be arranged on the top of injector and the extension of injector along the vertical direction of vehicle.
Each injector can have the tube portion from the horizontal side bifurcated of injector, and each running part can have: lock part, is constructed to be locked near the cardinal extremity part of a tube portion; Proximal part, is formed at one end to be arranged on rotatably on arm; And coupling part, lock part is connected with proximal part.
The multiple proximal parts that are similar to described proximal part can be arranged in couples to the both sides of injector, each proximal part is arranged on arm rotatably, and, in the time that face is observed from it, lock part and coupling part can be formed to U-shaped, it links together this to proximal part.
By along its length in centre position bending, can form coupling part, to apply the power that upwards removes injector.
It is dismountable proximal part can being made for respect to arm.
The top that support platform can be arranged on to injector, support platform has: the base part that pivoting portions is located thereon; And base part is supported on to the shank on cylinder head.
Shank can be placed in cylinder head and be inserted in the rocker cover installing hole that is formed at cylinder head simultaneously, to be located in wherein.
According to injector removal tool of the present invention, can remove injector from cylinder head, it does not comprise the work that cartridge is separated with injector.
Accompanying drawing explanation
Fig. 1 shows the perspective view of the outward appearance on the top of engine.
Fig. 2 shows and will be placed on the perspective view of the state on the cylinder cowl of engine of Fig. 1 according to the injector removal tool of an embodiment of the invention.
Fig. 3 shows the perspective view of the injector removal tool shown in Fig. 2 and the sprayer unit of removing.
Fig. 4 shows the side view of the injector removal tool shown in Fig. 2 and the sprayer unit of removing.
Fig. 5 shows the perspective view of the job step of sprayer unit being removed from cylinder head by the injector removal tool shown in use Fig. 2.
Fig. 6 shows the perspective view of the job step of sprayer unit being removed from cylinder head by the injector removal tool shown in use Fig. 2.
Fig. 7 shows the perspective view of the job step of sprayer unit being removed from cylinder head by the injector removal tool shown in use Fig. 2.
Fig. 8 shows the perspective view of the job step of sprayer unit being removed from cylinder head by the injector removal tool shown in use Fig. 2.
Fig. 9 shows the perspective view of the job step of sprayer unit being removed from cylinder head by the injector removal tool shown in use Fig. 2.
Figure 10 shows the perspective view of the job step of sprayer unit being removed from cylinder head by the injector removal tool shown in use Fig. 2.
Figure 11 shows the side view of the job step of sprayer unit being removed from cylinder head by the injector removal tool shown in use Fig. 2.
Figure 12 shows the perspective view of the job step of sprayer unit being removed from cylinder head by the injector removal tool shown in use Fig. 2.
The specific embodiment
Hereinafter, an embodiment of the invention will be described.
Fig. 1 shows the perspective view of the outward appearance on the top of engine.As shown in the figure, cylinder cowl 20 is fixed to the cylinder head 10 of engine, and, in the upper surface of cylinder cowl (rocker cover) 20, arrange and the corresponding many patchholes 22 of number of cylinders.Injector 30 is inserted to each patchhole 22.In this embodiment, engine is coaxial four cylinder engine, and four patchholes 22 are provided.Injector 30 is kept in cylinder head 10 to such state, that is, make distal face to combustion chamber and with metallic support permanent plant 40 and two bolts 41, far-end is fixed to the upper surface of cylinder cover 20.The direction that injector 30 is aimed at or the axial direction of bent axle are called directions X, are called Y-direction with the axial direction of bent axle with the horizontal direction of right angle intersection.
Metallic support permanent plant 40 is rectangular slabs extending longitudinally on directions X, and patchhole 44 is formed in the core of metallic support permanent plant 40, and injector 30 is inserted wherein.This patchhole 44 is elliptical holes extending longitudinally on directions X, and, cylindrical jet device 30 is inserted in longitudinal center's part of patchhole 44.Due to this reason, the longitudinal end of through hole 44 is stayed open, can not seal by injected device 30.Retaining part 32 (with reference to figure 4) is set, to keep metallic support permanent plant 40 on the top of injector 30.Retaining part 32 has the stepped part of stretching out in the Y direction from the both sides of injector 30, thus, is divided the end in the Y-direction that keeps metallic support permanent plant 40 by stepped portion.In addition, in the longitudinal end of metallic support permanent plant 40, form through hole, make bolt 42 insert wherein.By the bolt 42 at its longitudinal end place, metallic support permanent plant 40 is fixed to the upper surface of cylinder head 20.
HP jetting pump 50 is attached to the one end on the directions X of cylinder head 10, and, the common-rail of extending 60 is attached to the side (nearside in Fig. 1) in the Y-direction of cylinder head 10 on directions X.In common-rail 60, (at axial end and core thereof) arranges pipeline connection port 62.The fuel supply pipe 52 extending from HP jetting pump 50 is connected with these pipeline connection ports 62.In addition, along the axial direction of common-rail 60, four pipeline connection ports 64 are set in common-rail 60.The fuel supply pipe 66 extending from injector 30 is connected with these pipeline connection ports 64.
The end (manifold part) of each part of the fuel supply pipe 52 that HP jetting pump 50 is connected with common-rail 60 and fuel supply pipe 66 that common-rail 60 is connected with injector 30 is crushed on the connector in HP jetting pump 50 and injector 30, and be pressed in the corresponding pipeline connector 62 in common-rail 60, on 64, to utilize enlarging nut 3 to realize the connection of sealing state.; by making enlarging nut 3 become tight, affect the connection between the pipeline connection port 64 in the pipeline connection port 62 in connection, the common-rail 60 between HP jetting pump 50 and fuel supply pipe 52 and connection, the common-rail 60 between fuel supply pipe 52 and connection and injector 30 and the fuel supply pipe 66 between fuel supply pipe 66.By making enlarging nut 3 become tight, the end of fuel supply pipe 52,66 is pressed on corresponding connector and pipeline connection port, to fix in sealing state by Metal Contact.
The longitudinal end of common-rail 60 and HP jetting pump 50 are linked together with recurrent canal 54.By communicating pipe coupling part 34 be arranged on the top of injector 30, make to be connected to there the communicating pipe 38 being connected with recurrent canal 54.With with recurrent canal 54, multiple injectors 30 being connected with HP jetting pump 50 communicating pipe 38.The discharge fuel design of blowing emitter 30 and common-rail 60 is to be back to fuel tank by communicating pipe 38 and fuel recurrent canal 54 in the future.
Common-rail 60 is arranged on a side in the Y-direction of cylinder cover 20 more outwards and its more downward position, and be fixed in bolt 12 on the inclined surface in the side in the Y-direction of cylinder head 10.In the time observing from top, cylinder cover 20 is rectangular-shaped pieces extending longitudinally on directions X.In each edge in a lateral edges and opposite side edge in the Y-direction of cylinder cover 20, form multiple patchholes 24 (with reference to figure 2), and, with the top of inserting the bolt 23 of these patchholes 24 cylinder cover 20 is fixed to cylinder head 10., patchhole 24 is rocker cover construction bolt holes.
Here the patchhole 24 being arranged in the multiple patchholes 24 in the lateral edges in common-rail 60 1 sides (side in Y-direction) of cylinder cover 20, is positioned adjacent to the pipeline connection port 62 in the axial centre part that is arranged at common-rail 60.On the other hand, compare the multiple pipeline connection ports 64 that are arranged in common-rail 60, other patchhole 24 is provided in and on directions X, is positioned at more outside position.
A pair of patchhole 24 ' in patchhole 24 (with reference to figure 2) is set to, four pipeline connection ports 64 between it are remained on directions X.In addition, also by this to patchhole 24 ' be arranged on cylinder cover 20 with it in the relative lateral edges of the lateral edges of common-rail 60.Therefore, four patchholes 24 ' are arranged in rectangular configuration.
Four fuel supply pipes 66 extend in the Y direction, and upwards extend from corresponding pipeline connection port 66, bending on directions X, and further bending in Y-direction on the upper surface of cylinder cover 20, extend to corresponding injector 30.Common-rail 60 sides on the top of injector 30 arrange piping connection portion 36.These piping connection portions 36 are arranged between corresponding metallic support permanent plant 40 and the upper surface of cylinder cover 20.Fuel supply pipe 66 is from the side bifurcated of the main part of corresponding injector 30.
Fig. 2 shows the perspective view that injector removal tool 100 is placed on to the state on cylinder cover 20.As shown in this figure, injector removal tool 100 comprises the corresponding suspension bracket of quantity (running part) 130 of support platform part 110, pivoting portions 120 and quantity and injector 30.In this embodiment, provide four suspension brackets 130.
Fig. 3 shows the perspective view of injector removal tool 100 and the sprayer unit 1 of removing.Fig. 4 shows the side view of injector removal tool 100 and the sprayer unit 1 of removing.As shown in these figures, support platform part 110 comprises four shank 114A to 114D of the base part 112 on base part 112 and the support cylinder head-shield 20 in the structure that is arranged in rectangular frame shape.In base part 112, the corresponding rectangle part of four rectangle plate 113A to 113D composition base parts 112.The longitudinal end of any two adjacent plates of four plate 113A to 113D overlaps each other at the corner of base part 112.
In base part 112, plate 113A and plate 113C are arranged abreast, plate 113B and plate 113D are placed abreast.A pair of pin 115 is attached to the each longitudinal center's part in plate 113A and plate 113C.This on each in plate 113A and plate 113C is set to pin 115, upper spaced at its longitudinal direction (Y-direction).Pivoting portions 120 is set between paired pin 115.
Shank 114A to 114D is columniform back shaft part.An axial end portion at shank 114A to 114D forms threaded portion 117.Form stepped part 119 (with reference to figure 4) at another axial end portion of shank 114A to 114D, so that thinner to the axial centre part of 114D than shank 114A.In the longitudinal end of plate 113A to 113D, form patchhole, threaded portion 117 is inserted wherein.In the corner of base part 112, threaded portion 117 is inserted to the patchhole overlapping each other, thus, with threaded portion 117 and nut 109, plate 113A and plate 113B, plate 113B and plate 113C, plate 113C and plate 113D, plate 113D and plate 113A are tightened together. Plate 113D, 113A are fixed together with shank 114A, plate 113A, 113B are fixed together with shank 114B, plate 113B, 113C are fixed together with shank 114C, plate 113C, 113D are fixed together with shank 114D.
Here be that space between two patchholes 24 ' in the lateral edges being arranged in common-rail 60 1 sides of cylinder cover 20 is identical by the spatial placement between shank 114A and shank 114D.Be with that be arranged at cylinder cover 20 and identical towards the space between two patchholes 24 ' in the lateral edges in the relative side of a side of common-rail 60 by the spatial placement between shank 114B and shank 114C.By the spatial placement between the space between shank 114A and shank 114B and shank 114C and shank 114D be with in the Y direction aim at two patchholes 24 ' between space identical.
The diameter of the each stepped part 119 in shank 114A to 114D is arranged to be less than to the internal diameter of patchhole 24 ', and, the diameter of the back shaft part between the each threaded portion 117 in shank 114A to 114D and stepped part 119 is arranged to be greater than to the internal diameter of patchhole 24 '.
Due to this reason, the stepped part 119 that is arranged at the shank 114A to 114D in rectangular configuration is inserted to four patchholes 24 ' that are arranged in rectangular configuration, suitably located by patchhole 24 ' to be placed in cylinder head 10, thereby make shank 114A to 114D to be erected to (with reference to Figure 20) on cylinder cover 20 simultaneously.Shank 114A to 114D extends upwardly to the position higher than injector 30.By this structure, with shank 114A to 114D, base part 112 is supported on to the top of injector 30.
By support platform part 110, pivoting portions 120 is supported on to the top of cylinder cover 120, its state is to make pivoting portions 120 be placed on plate 113A, 113C.The paired pin 115 being arranged on separately on plate 113A, 113C is used as bearing, and this bearing rotary ground supports pivoting portions 120 and locates same section simultaneously.Be arranged at paired pin on plate 113A 115 and be arranged at paired pin 115 on plate 113C aligned with each other on directions X.Therefore, the axial direction of pivoting portions 120 becomes parallel with directions X.Pin 115 is arranged to than the more close common-rail 60 of injector 30.Therefore, pivoting portions 120 is arranged to than the more close common-rail 60 of injector 30.
On pivoting portions 120, form four arms 124.Each arm 124 is the members from the quadrangular shape of the axis outward radial extension of pivoting portions 120.Along the axial direction of pivoting portions 120 separated by a certain interval four arms 124 are set, described interval equates with the interval that injector 30 is set.Also four arms 124 are arranged in parallel with each other.Along the direction of its radius of gyration, at the radially outer part place of arm 124, pin 126 is set.This pin 126 and the axial direction of pivoting portions 120 are arranged abreast, and, its both sides from the directions X of arm 124 are stretched out.Here, pin 126 is arranged on the axis of radially outer pivoting portions 120 away from position.
Here the support end that, arm 124 one end from pivoting portions 120 towards suspension bracket part 130 is supported thereon extends.Instrument 2 extends towards an application point, applies power to swing or rotation arm 124 from one end different from its support end of arm 124 on this application point.The distance of the application point from pivoting portions 120 to instrument 2 is set to than the distance from pivoting portions 120 to pin 126, and described application point forms the end (at this end retaining tool 2) of instrument 2.
The same with when the test valve gap, in the time checking the inside of engine, it is necessary that the work that injector 30 is removed from cylinder head 10 becomes.Here, using the work of injector 30 being removed from cylinder head 10 according to the injector removal tool 100 of embodiment, injector 30 is not removed from cylinder head 10 individually, but the sprayer unit 1 that four injectors 30, four fuel supply pipes 66 and common-rail 60 are integrated in is wherein removed from cylinder head 10.Hereinafter, will the method for removing sprayer unit 1 by injector removal tool 100 from cylinder head 10 be described.
In order to remove injector, first, unclamp the bolt 42 that metallic support permanent plant 40 is fixed to cylinder cover 20, make to discharge the fixing of metallic support permanent plant 40 and cylinder cover 20.Then, unclamp the bolt 12 that common-rail 60 is fixed to cylinder head 10, make to discharge the fixing of common-rail 60 and cylinder head 10.In addition, remove two fuel supply pipes 52 from pipeline connection port 62 and cartridge 50.In addition, remove the through hole 24 ' inserting in cylinder cover 20 cylinder cover 20 is fixed to the bolt 23 of cylinder head 10.
Next, as shown in Figure 5, suspension bracket 130 is inserted into the gap being limited between fuel supply pipe 66 and the upper surface of cylinder cover 20, its state makes bearing portions 136 towards injector 30, and the distal portions of arm 134 raises.Here, make the distal portions bending of arm 134, to insert the patchhole 44 in metallic support permanent plant 40.
Next, as shown in Figure 6, promote suspension bracket 130 towards injector 30, until lock part 132 is hooked in the piping connection portion 36 of injector 30 from its cylinder cover 20 1 sides.The angle of bend of arm 134 is set, makes the sweep of arm 134 be pushed into a side more farther than communicating pipe 38, and, in the time of such promotion suspension bracket 130, bearing portions 136 is upwards pushed into the top of injector 30.
Next, as shown in Figure 7, support platform 110 is placed on cylinder cover 20.In the time that this occurs, the stepped part 119 of shank 114A to 114D is inserted into patchhole 24 '.By doing like this, support platform part 110 is positioned on cylinder head 10, suitably locates with respect to cylinder cover 20 simultaneously.In the time that this occurs, be arranged at paired pin on plate 113A 115 and be arranged at paired pin 115 on plate 113C aligned with each other on directions X.
Next, as shown in Figure 8, insert pivoting portions 120 being arranged at the paired pin 115 on plate 113A and being arranged between the paired pin 115 on plate 113C, and place it on plate 113A, 113C.In the time that this occurs, arm 124 is arranged to by pivoting portions 120 to the position that is positioned at respective injectors 30 tops.Then, the bearing portions of suspension bracket 130 136 is attached to respectively to corresponding pin 126.In this state, pin 126 and bearing portions 136 are positioned at vertically to the top of corresponding injector 30.
Next, as shown in Figure 9, nut rotation instrument 2 (for example wrench or spanner) is arranged on the instrument mounting portion 122 of pivoting portions 120.Then, as shown in Figure 10, Figure 11, direction by raising along pin 126 and bearing portions 136 with nut rotation instrument 2 (in as figure observed clockwise direction), to pivoting portions 120 input torques, rotates up pivoting portions 120 the party.Here, lever principle works, and wherein, pin 126 and bearing portions 136 are as the point of application, and pivoting portions 120 is as fulcrum, and the retaining part of instrument 2 is as application point.By this leverage, on injector 30, apply power upwards via corresponding suspension bracket 130, thus the distal portions of injector 30 is removed from cylinder head 10.
Next, remove pivoting portions 120 and support platform 110 from the top of cylinder cover 20.Then, as shown in figure 12, by keeping cartridge 66, remove sprayer unit 1 from cylinder head 10.
Therefore, as described before this, in this embodiment, suspension bracket 130 is arranged in such position, there, suspension bracket 130 is hooked on the piping connection portion 136 of respective injectors 30 by the whole sprayer unit 1 being arranged on cylinder head 10, and support platform 110 is stably arranged on cylinder cover 20.In addition, suspension bracket 130 can be arranged on pivoting portions 120, with radially outwards hanging therefrom in the position away from the axis of pivoting portions 120.In this state, by with wrench or spanner rotation pivoting portions 120, can utilize lever principle on injector 30, to apply the power of upwards removing.
By applying in the above described manner power, can remove multiple injectors 30, multiple fuel supply pipe 66 and common-rail 60 from cylinder head 10, make injector 30, fuel supply pipe 66 and common-rail 60 keep being assembled together simultaneously.The amount that therefore, can reduce the man-hour related in the dismounting work of injector 30.In addition, in the time attempting to reinstall sprayer unit 1 in cylinder head 10, due to the location work that makes injector 30 by the necessity of having eliminated dismounting sprayer unit 1 not necessarily, so can reduce the amount in the man-hour related in the work of ressembling of sprayer unit 1.In addition, in this embodiment, can suppress the reducing of positioning precision of injector 30.Conventionally be conditional for the number of times of removing and reinstall the enlarging nut that is similar to enlarging nut 3 used herein.But, in this embodiment, due to and nonessential dismounting fuel supply pipe 66 is fixed to the enlarging nut 3 of piping connection portion 36,64, so can reduce change enlarging nut 3 (as parts) number of times.
To remove from cylinder head 10 compared with the situation of injector 30, in this embodiment, available less power is removed injector 30 from cylinder head 10 with the dismounting power upwards of directly applying on injector 30.
In this embodiment, pin 126 in the vertical directions (on the axial direction of injector 30) of the bearing portions 136 of available suspension bracket 130 and arm 124 apply dismounting power on injector 30, with the top that keeps being hooked in suspension bracket 130 on the piping connection portion 36 of injector 30 pin 126 is positioned at vertically respective injectors 30.Therefore, can suppress applying of torsion on the distal portions (nozzle segment) of injector 30 or bending force, thereby make to suppress the damage of the distal portions to injector 30, otherwise, will produce such damage with the friction of the injector nozzle insertion portion in cylinder head 10.
In this embodiment, allowing the distal portions of injector 30 is tens degree away from the anglec of rotation of the necessary pivoting portions 120 of upper wall of the combustion chamber in cylinder cover 10, if the gap between injector 30 and enging cabin cover is narrower, also can carry out related work with respect to the inclination of the upper surface of cylinder cover 20 by reducing instrument 2.
First, can will be disassembled into support platform 110, pivoting portions 120 and suspension bracket 130 according to the injector removal tool 100 of embodiment.Then, support platform 110 can be disassembled into plate 113A to 113D and shank 114A to 114D.Therefore, in the time storing injector removal tool 100, can be held compactly.
Therefore, although described before this embodiments of the present invention, the invention is not restricted to this embodiment, but available modified in various manners execution under the prerequisite that does not deviate from the spirit and scope of the invention.For example, in embodiment, although injector removal tool according to the present invention has been described as being applied to the multiple injectors 30 and the dismounting of fuel supply pipe 66 together with common-rail 60 that are arranged in multicylinder engine, but injector removal tool according to the present invention also can be applicable to be arranged on the dismounting together with fuel supply pipe etc. of single injector in single-cylinder engine.
In embodiment, although used the U-shaped suspension bracket 130 at the two ends that are supported in arm 124, also may use the J-shaped suspension bracket of the one end that is supported in arm 124.In the time that this occurs, suspension bracket need not must be always dismountable with respect to pin 126, supposes suspension bracket to be hooked on piping connection portion 136 when suspension bracket is kept to be arranged on pin 126.
Claims (8)
1. for remove an injector removal tool for injector from cylinder head, comprising:
Support platform part, is suitable for being fixed to described cylinder head;
Pivoting portions, is arranged in described support platform part;
Arm, is configured to around the described pivoting portions rotation as fulcrum; And
Running part, its one end is being supported on described arm away from the position of described pivoting portions, and its other end is locked on described injector, and described running part is configured to transmit and is applied on described one end to rotate the power of described arm, be positioned at the power of the described injector of the described other end as dismounting
Wherein, described arm comprises:
The first arm, it extends to one end of described arm from described pivoting portions; And
The second arm, it extends to an application point from described pivoting portions, on described application point, the power of rotating described the second arm is applied in the side that a side described pivoting portions and described one end described arm is different, and the second arm has the length longer than the length of described the first arm
Wherein, the multiple injectors that are similar to described injector are set in described cylinder head, and the multiple running parts and the first arm that are similar to described running part and described the first arm are set, with corresponding with described multiple injectors respectively.
2. injector removal tool according to claim 1, wherein
Described the second arm upwards extends beyond described support platform part.
3. injector removal tool according to claim 1, wherein
One end of described running part is arranged on the top of described injector and the extension of injector along the vertical direction of vehicle.
4. injector removal tool according to claim 1, wherein
Described injector has the tube portion from the horizontal side bifurcated of described injector, and wherein,
Described running part has:
Lock part, is constructed to be locked near the cardinal extremity part of a described tube portion;
Proximal part, is formed at described one end of described running part to be rotatably installed on described arm; And
Coupling part, is connected described lock part with described proximal part.
5. injector removal tool according to claim 4, wherein
The multiple proximal parts that are similar to described proximal part are arranged in couples to the both sides of described injector, each described proximal part is rotatably installed on described arm, and,
In the time that face is observed from it, described lock part and described coupling part are formed to U-shaped, it links together paired proximal part.
6. injector removal tool according to claim 4, wherein
By the centre position bending of the length direction along described running part, form described coupling part, to apply the power that upwards removes described injector.
7. injector removal tool according to claim 4, wherein
It is dismountable that described proximal part is made for respect to described arm.
8. injector removal tool according to claim 1, wherein
Described support platform part is arranged on to the top of described injector, and described support platform part has:
Base part, described pivoting portions is located thereon; And
Shank, it is supported on described base part on described cylinder head, and
Described shank is placed in described cylinder head and is inserted in the rocker cover installing hole that is formed at described cylinder head simultaneously, to be located in wherein.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-012905 | 2010-01-25 | ||
| JP2010012905A JP5487992B2 (en) | 2010-01-25 | 2010-01-25 | Injector extraction tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102133745A CN102133745A (en) | 2011-07-27 |
| CN102133745B true CN102133745B (en) | 2014-07-02 |
Family
ID=43806718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010597003.XA Active CN102133745B (en) | 2010-01-25 | 2010-12-20 | Injector removal tool for removing an injector from a cylinder head |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2347861B1 (en) |
| JP (1) | JP5487992B2 (en) |
| CN (1) | CN102133745B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1039067C2 (en) * | 2011-09-23 | 2013-03-26 | Jacob Matheus Maria Broek | SPRAYER. |
| CN102501193B (en) * | 2011-09-29 | 2014-03-12 | 重庆小康工业集团股份有限公司 | Split assembling mechanism of common rail injection system of diesel engine |
| GB2502784B (en) * | 2012-06-06 | 2016-12-21 | Centrifuge Ind Co Ltd | Stand for supporting an engine injector disassembling apparatus and an injector disassembling assembly comprising the same |
| JP6044141B2 (en) * | 2012-07-09 | 2016-12-14 | いすゞ自動車株式会社 | Common rail fuel injection system |
| US9816405B2 (en) * | 2015-09-29 | 2017-11-14 | Caterpillar Inc. | Rocker base for valve actuation system |
| CN109072740B (en) | 2016-04-26 | 2021-09-10 | 洋马动力科技有限公司 | Engine device |
| JP2017198125A (en) * | 2016-04-26 | 2017-11-02 | ヤンマー株式会社 | Engine device |
| JP7035577B2 (en) * | 2018-02-02 | 2022-03-15 | マツダ株式会社 | Engine fuel supply |
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| CN2500436Y (en) * | 2001-07-28 | 2002-07-17 | 杜春燕 | Special tool for disassembling engine fuel injector |
| CN101463784A (en) * | 2007-12-20 | 2009-06-24 | 三菱自动车工业株式会社 | Injector mounting structure |
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- 2010-12-20 CN CN201010597003.XA patent/CN102133745B/en active Active
- 2010-12-20 EP EP10195923.7A patent/EP2347861B1/en active Active
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| US3670389A (en) * | 1970-12-15 | 1972-06-20 | Joseph F Shepanski | Tool for removing fuel injectors |
| CN2500436Y (en) * | 2001-07-28 | 2002-07-17 | 杜春燕 | Special tool for disassembling engine fuel injector |
| CN101463784A (en) * | 2007-12-20 | 2009-06-24 | 三菱自动车工业株式会社 | Injector mounting structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2347861A2 (en) | 2011-07-27 |
| JP2011149389A (en) | 2011-08-04 |
| JP5487992B2 (en) | 2014-05-14 |
| EP2347861B1 (en) | 2020-02-05 |
| CN102133745A (en) | 2011-07-27 |
| EP2347861A3 (en) | 2017-11-22 |
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