CN114750104A - Tool for detaching valve guide pipe of internal combustion engine - Google Patents

Tool for detaching valve guide pipe of internal combustion engine Download PDF

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Publication number
CN114750104A
CN114750104A CN202210538776.3A CN202210538776A CN114750104A CN 114750104 A CN114750104 A CN 114750104A CN 202210538776 A CN202210538776 A CN 202210538776A CN 114750104 A CN114750104 A CN 114750104A
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China
Prior art keywords
rod
main part
main body
internal combustion
connecting rod
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CN202210538776.3A
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Chinese (zh)
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CN114750104B (en
Inventor
王长花
陈飞庆
刘晓鹏
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Beijing Zhonghai Wobang Energy Investment Co ltd Shilou Branch
Beijing Zhonghai Wobang Energy Investment Co ltd Yonghe Branch
Beijing Zhonghai Vobang Energy Investment Co ltd
Original Assignee
Beijing Zhonghai Wobang Energy Investment Co ltd Shilou Branch
Beijing Zhonghai Wobang Energy Investment Co ltd Yonghe Branch
Beijing Zhonghai Vobang Energy Investment Co ltd
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Priority to CN202210538776.3A priority Critical patent/CN114750104B/en
Publication of CN114750104A publication Critical patent/CN114750104A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a tool for disassembling a valve guide tube of an internal combustion engine, which relates to the technical field of internal combustion engines, and comprises a connecting rod, wherein a main body rod is arranged at the bottom of the connecting rod, the inside of the main body rod is hollow, a threaded rod is arranged at the bottom of the connecting rod, the surface of the threaded rod is fixedly connected with a connecting ring, the connecting ring is in a round table shape, the connecting rod is rotated to further drive the threaded rod to rotate, the connecting ring is finally rotated and moves downwards to complete the movement of a limiting plate to the inner wall of the valve, the main body rod is finally fixed and positioned, when a worker uses the main body rod, the main body rod can be tightly attached to the inner wall of the valve, so that the main body rod can be kept in a vertical state uniformly and positioned inside the valve, the main body rod can better drive force after the subsequent connecting rod is stressed, and the phenomenon that a large hole gap exists between the main body rod and the inner wall of the valve to further cause the main body rod to incline after being stressed is avoided, the stability of the main body rod in use is improved.

Description

Tool for detaching valve guide pipe of internal combustion engine
Technical Field
The invention relates to the technical field of internal combustion engines, in particular to a tool for disassembling an internal combustion engine valve guide pipe.
Background
An internal combustion engine is a power machine, which is a heat engine that directly converts heat energy emitted by burning fuel in the machine into power.
In the use process of the tool for detaching the valve guide of the internal combustion engine, a main body rod is mostly inserted into the valve, then a worker applies downward force to the top of the main body rod by using a hammer, the main body rod is transferred to the guide pipe after being applied with the force, and finally the guide pipe falls off from the valve to complete the detachment of the guide pipe, however, in the implementation process, the diameters of the valves of the same model may be different, and then after the same main body rod is placed into the valve, because the existing main body rod does not have the function of fixing and adjusting the inner wall of the valve, and then after the main body rod is placed into the valve, a gap may exist between the main body rod and the inner wall of the valve, and then after the subsequent main body rod is applied with the force, a phenomenon of back-and-forth swing exists in the valve, so that the main body rod is stressed unevenly in use, and the service life of the main body rod is further shortened, is not favorable for the long-term use effect of the whole device.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art, and provides a connecting rod which can position and fix a main body rod in the valve, is convenient for disassembling and replacing the connecting rod, and can solve the problem that after the main body rod is placed in the valve, a gap may exist between the main body rod and the inner wall of the valve, and the main body rod is stressed unevenly in use because the conventional main body rod does not have the function of fixing and adjusting the inner wall of the valve.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an internal combustion engine valve guide pipe extracting tool includes the connecting rod, the bottom of connecting rod is provided with the main part pole, and the bottom of connecting rod is provided with the threaded rod, and the fixed surface of threaded rod is connected with the go-between, and the shape of go-between is the round platform form, the inside cavity of main part pole, and the threaded rod is at the inside swing joint of main part pole, and the inside of main part pole is provided with stop device, and the front side of connecting rod is opened and is equipped with the second recess, and the inside of second recess is provided with convenient to detach device.
Preferably, stop device includes the thread bush, and thread bush fixed connection is in the inside of main part pole, and the thread bush is cup jointed at the surface screw thread of threaded rod, and four first passageways have been seted up to the inner wall of main part pole, and the structure homogeneous phase in four first passageways is the same, and the inside sliding connection of first passageway has the movable rod.
Preferably, the surface activity of movable rod has cup jointed first spring, and the left side fixed connection of first spring is on the surface of movable rod, and the right side fixed connection of first spring is at the inner wall of main part pole, and the movable rod runs through the inside of main part pole and extends to the outside of main part pole.
Preferably, the one end fixedly connected with limiting plate that the main part pole was kept away from to the movable rod, the limiting plate is the semiarc form, and first recess has been seted up to the outside of limiting plate, and the inside of first recess is rotated and is connected with the ball.
Preferably, convenient to detach device includes the dwang, and the dwang rotates to be connected in the inside of second recess, and torque spring has been cup jointed in the surface activity of dwang, and torque spring's front end fixed connection is on the surface of dwang, and torque spring's rear end fixed connection is in the front side of connecting rod, and the fixed surface of dwang is connected with the cam, and the second passageway has been seted up to the diapire of second recess, and the inside sliding connection of second passageway has the slide bar, the top of slide bar and the top contact of cam and mutual extrusion.
Preferably, the spout has been seted up at the top of threaded rod, and the draw-in groove has all been seted up to the inner wall around in the spout, connecting rod bottom fixedly connected with connecting block, and the connecting block is at the inside sliding connection of spout, and the passageway of accomodating has been seted up to the rear side of connecting block, and the slide bar runs through the inside that the second passageway extends to the passageway of accomodating, and the slide bar is at the inside sliding connection of accomodating the passageway.
Preferably, a second spring is fixedly connected between the bottom of the sliding rod and the bottom wall of the containing channel, two clamping blocks are slidably connected inside the containing channel and are slidably connected inside the two clamping grooves, and the two clamping blocks are in a right trapezoid shape.
Preferably, two slides have been seted up to diapire in the passageway of accomodating, and the structure homogeneous phase in two slides, the inside sliding connection of slide has the movable block, and movable block fixed connection is in the bottom of fixture block, fixedly connected with third spring between movable block and the slide.
Compared with the prior art, the invention has the beneficial effects that:
(1) this internal combustion engine valve guide pipe extracting tool, and then drive the threaded rod and rotate through rotating the connecting rod, finally make the go-between rotate and accomplish the limiting plate to the removal of valve inner wall in the downstream, finally realize the fixed positioning to the main part pole, make the workman when using the main part pole, can make the main part pole hug closely the valve inner wall and be convenient for make the main part pole unanimous keep vertical state be located inside the valve, transmission power that the main part pole can be better after follow-up connecting rod atress, avoid having very little aperture and then make the phenomenon that the main part pole produced the slope after the atress between main part pole and the valve inner wall, improve main part pole in use's stability.
(2) This internal combustion engine valve guide pipe extracting tool, through rotating the dwang and then make the slide bar no longer extrude two fixture blocks, under the elastic force effect of two third springs, two fixture block contractions get into the inside of receiving the passageway, finally accomplish the dismantlement to the connecting rod, make the more convenient quick of dismantlement of connecting rod, make the connecting rod be convenient for more change, and then use wearing and tearing need to change in the connecting rod for a long time, the change efficiency of workman to the connecting rod has further been improved, make connecting rod quick replacement finish after faster use, more be favorable to the result of use to the integrated device.
(3) This internal combustion engine valve guide pipe extracting tool because the shape of two fixture blocks is right trapezoid, and then can promote two fixture blocks mutually in the back of the body and remove smoothly when the slide bar moves down, and then make two fixture blocks enter into the inside of draw-in groove smoothly, have the promotion effect to the installation of connecting rod.
(4) This internal combustion engine valve guide pipe extracting tool through the regulation to the outside displacement of limiting plate, more is favorable to improving the use universality of integrated device, makes the main part pole can be applicable to the use with the different diameter air valves of model, more is favorable to improving the result of use of integrated device.
(5) This internal combustion engine valve pipe extracting tool because the shape of go-between is the round platform form, and then more is favorable to the extrusion movable rod to finally accomplish the removal to the limiting plate in connecting the ring down, has played the promotion effect to the fixed spacing of main part pole to the final completion of limiting plate.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a schematic structural view of a tool for disassembling a valve guide of an internal combustion engine according to the present invention;
FIG. 2 is a schematic view of a main body rod of the present invention;
FIG. 3 is a schematic view of the interior of the main body shaft of the present invention;
FIG. 4 is a schematic view of an attachment ring of the present invention;
FIG. 5 is a schematic view of a connecting rod of the present invention;
FIG. 6 is an enlarged view taken at A of FIG. 5 in accordance with the present invention;
FIG. 7 is an enlarged view taken at B in FIG. 5 according to the present invention;
fig. 8 is an enlarged view of the invention at C of fig. 7.
Reference numerals: 1. a connecting rod; 2. a main body lever; 3. a limiting plate; 4. a first channel; 5. a movable rod; 6. a first spring; 7. a first groove; 8. a sliding ball; 9. a threaded sleeve; 10. a threaded rod; 11. a connecting ring; 12. a second groove; 13. rotating the rod; 14. a torsion spring; 15. a cam; 16. a second channel; 17. connecting blocks; 18. a second spring; 19. a chute; 20. a card slot; 21. a receiving channel; 22. a clamping block; 23. a slideway; 24. a movable block; 25. a third spring; 26. a slide bar.
Detailed Description
The first embodiment is as follows:
referring to fig. 1-2, the present invention provides a technical solution: the utility model provides an internal combustion engine valve guide pipe extracting tool includes connecting rod 1, and the bottom of connecting rod 1 is provided with main part pole 2, and the diameter of connecting rod 1 is greater than the diameter of main part pole 2, and then makes the connecting rod 1 bigger with the contact surface of sledgehammer, and then accuracy when more being favorable to personnel to make power.
Referring to fig. 3-4, a threaded rod 10 is disposed at the bottom of the connecting rod 1, a connecting ring 11 is fixedly connected to the surface of the threaded rod 10, the connecting ring 11 is in the shape of a circular truncated cone, the main rod 2 is hollow, the threaded rod 10 is movably connected to the inside of the main rod 2, a threaded sleeve 9 is fixedly connected to the inside of the main rod 2, the threaded sleeve 9 is in threaded sleeve connection with the surface of the threaded rod 10, four first channels 4 are disposed on the inner wall of the main rod 2, the four first channels 4 have the same structure, a movable rod 5 is slidably connected to the inside of the first channel 4, a first spring 6 is movably sleeved on the surface of the movable rod 5, the left side of the first spring 6 is fixedly connected to the surface of the movable rod 5, the right side of the first spring 6 is fixedly connected to the inner wall of the main rod 2, the movable rod 5 extends to the outside of the main rod 2 through the inside of the main rod 2, a limit plate 3 is fixedly connected to one end of the movable rod 5 away from the main rod 2, the limiting plate 3 is in a semi-arc shape, so that the limiting plate 3 is more favorably attached to the inner wall of the air valve, and the whole device is more favorably used.
A plurality of first recesses 7 have been seted up to limiting plate 3's outside, and specific quantity is decided according to actual conditions, and a plurality of first recesses 7's inner structure homogeneous phase is the same, and the inside of first recess 7 rotates and is connected with smooth ball 8.
When people need to use the connecting rod 1 and the main body rod 2 to disassemble the valve guide, in a static state, the limiting plate 3 is tightly attached to the outer wall of the main body rod 2 under the elastic force of the first spring 6, then the main body rod 2 is placed in the valve, the limiting plate 3 is exposed at the top of the valve, the limiting plate 3 is limited through external force, the limiting plate 3 is further prevented from rotating, the limiting plate 3 is limited, then the connecting rod 1 is rotated, the connecting rod 1 rotates to drive the threaded rod 10 to rotate, the threaded rod 10 rotates and moves downwards to drive the connecting ring 11 to rotate downwards and move, when the outer wall of the connecting ring 11 moves downwards and contacts with the left side of the movable rod 5, the connecting ring 1 continues to rotate and move downwards, and because the connecting ring 11 is in a truncated cone shape, the outer wall of the connecting ring 11 starts to extrude the left side of the movable rod 5, the movable rod 5 starts to move rightwards under the extrusion of the outer wall of the connecting ring 11, the movable rod 5 moves rightwards to start compressing the first spring 6, the movable rod 5 moves rightwards to start driving the limiting plate 3 to move rightwards, the limiting plate 3 moves rightwards to gradually approach the inner wall of the valve, the outer wall of the limiting plate 3 is driven to be adjusted to be close to the inner wall of the valve under the rotation of the connecting rod 1, then the connecting rod 1 stops rotating, and the fixing and limiting effect of the main body rod 2 in the valve is achieved.
Through rotating connecting rod 1 and then drive threaded rod 10 and rotate, finally make go-between 11 rotate and accomplish the removal of limiting plate 3 to the valve inner wall in the downstream, finally realize the fixed positioning to main part pole 2, make the workman when using main part pole 2, can make main part pole 2 hug closely the valve inner wall and be convenient for make main part pole 2 unanimous keep vertical state to be located inside the valve, the transmission power that main part pole 2 can be better behind follow-up connecting rod 1 atress, avoid having very little clearance between main part pole 2 and the valve inner wall and then make main part pole 2 produce the phenomenon of slope after the atress, improve main part pole 2 in use's stability.
Through the regulation to the outside displacement of limiting plate 3, more be favorable to improving the use universality of integrated device, make main part pole 2 can be applicable to the use of the different diameter valves of the same model, more be favorable to improving the result of use of integrated device.
Because the connecting ring 11 is in the shape of a circular truncated cone, the connecting ring 11 is more favorable for extruding the movable rod 5 to finally complete the movement of the limiting plate 3 in the downward movement process, and the limiting plate 3 is promoted to finally complete the fixing and limiting of the main body rod 2.
After using connecting rod 1 and main part pole 2, move connecting rod 1 upwards, connecting rod 1 moves upwards and drives threaded rod 10 and upwards moves, threaded rod 10 moves upwards and drives threaded sleeve 9 and upwards moves, threaded sleeve 9 moves upwards and drives main part pole 2 and upwards moves, main part pole 2 moves upwards and drives movable rod 5 and upwards moves, movable rod 5 moves upwards and drives limiting plate 3 and upwards moves, limiting plate 3 moves upwards and drives smooth ball 8 and begin to slide at the valve inner wall, later take out main part pole 2 from the valve, later reverse connecting rod 1, connecting rod 1 reverses and drives threaded rod 10 and reverses, threaded rod 10 reverses and drives connecting ring 11 to rotate and upwards move, connecting ring 11 moves upwards at this moment and is not squeezing movable rod 5, the movable rod 5 resets under the elastic action of the first spring 6, and the movable rod 5 resets to drive the limiting plate 3 to reset.
Through the setting of smooth ball 8, make limiting plate 3 more smooth and easy when removing in the valve, more be favorable to promoting main part pole 2 and remove in the valve, improve the use smoothness nature of integrated device.
The second embodiment;
referring to fig. 5-7, on the basis of the first embodiment, a second groove 12 is formed in the front side of the connecting rod 1, a rotating rod 13 is rotatably connected inside the second groove 12, a torsion spring 14 is movably sleeved on the surface of the rotating rod 13, the front end of the torsion spring 14 is fixedly connected to the surface of the rotating rod 13, the rear end of the torsion spring 14 is fixedly connected to the front side of the connecting rod 1, a cam 15 is fixedly connected to the surface of the rotating rod 13, a second channel 16 is formed in the bottom wall of the second groove 12, a sliding rod 26 is slidably connected inside the second channel 16, the sliding rod 26 slides up and down inside the second channel 16, and the top of the sliding rod 26 contacts and presses the top of the cam 15.
In a static state, the protrusion of the cam 15 is in a vertical state under the elastic force of the torsion spring 14, at this time, the rotating rod 13 is rotated, the rotating rod 13 rotates to drive the torsion spring 14 to start rotating, the torsion spring 14 starts rotating to generate deformation, the rotating rod 13 rotates to drive the cam 15 to start rotating, and at this time, the protrusion of the cam 15 is not in a vertical state.
Sliding groove 19 has been seted up at the top of threaded rod 10, draw-in groove 20 has all been seted up to the front and back inner wall in spout 19, connecting rod 1 bottom fixedly connected with connecting block 17, connecting block 17 is at the inside sliding connection of spout 19, connecting block 17 slides from top to bottom in the inside of spout 19, storage channel 21 has been seted up to the rear side of connecting block 17, slide bar 26 runs through second channel 16 and extends to storage channel 21's inside, slide bar 26 is at storage channel 21's inside sliding connection, slide bar 26 slides from top to bottom in storage channel 21's inside, fixedly connected with second spring 18 between slide bar 26's bottom and the diapire in storage channel 21, storage channel 21's inside sliding connection has two fixture blocks 22, two fixture blocks 22 slide from front to back in storage channel 21's inside, two fixture blocks 22 are at the inside sliding connection of two draw-in grooves 20, two fixture blocks 22 slide from front to back in the inside of two draw-in grooves 20, two fixture blocks 22's shape are right trapezoid.
The spring force of torsion spring 14 is greater than the spring force of second spring 18, and in the rest state, the top of slide bar 26 is pressed by cam 15 and does not protrude from the top of second channel 16, and second spring 18 is in a compressed state, and when the protruding portion of cam 15 is not in an upright state, the top of slide bar 26 is not pressed, and under the spring force of second spring 18, slide bar 26 starts to move slide bar 26 upward and protrudes from the top of second channel 16.
Referring to fig. 8, two slide ways 23 are formed in the bottom wall of the accommodating channel 21, the structures of the two slide ways 23 are the same, a movable block 24 is slidably connected inside the slide way 23, the movable block 24 slides back and forth inside the slide way 23, the movable block 24 is fixedly connected to the bottom of the fixture block 22, and a third spring 25 is fixedly connected between the movable block 24 and the slide way 23.
Under the static state, the two clamping blocks 22 are extruded by the bottom of the sliding rod 26 to protrude out of the accommodating channel 21, the two clamping blocks 22 are located inside the two clamping grooves 20, the two clamping blocks 22 block the two clamping grooves 20, at the moment, the two third springs 25 are in the stretching state, after the sliding rod 26 moves upwards, the sliding rod 26 does not extrude the inclined planes of the two clamping blocks 22 any more, under the elastic force action of the two third springs 25, the two movable blocks 24 start to move relatively, the two movable blocks 24 move relatively to drive the two clamping blocks 22 to move relatively to contract into the accommodating channel 21, at the moment, the two clamping blocks 22 do not block the two clamping grooves 20, then the connecting rod 1 moves upwards, and the connecting rod 1 is detached.
Through rotating dwang 13 and then making slide bar 26 no longer extrude two fixture blocks 22, under the spring action of two third springs 25, two fixture blocks 22 shrink and get into the inside of receiving passageway 21, finally accomplish the dismantlement to connecting rod 1, make the more convenient quick of dismantlement of connecting rod 1, make connecting rod 1 be convenient for change more, and then when connecting rod 1 uses wearing and tearing to change for a long time, the change efficiency of workman to connecting rod 1 has further been improved, make connecting rod 1 quick replacement finish after faster the use, more be favorable to the result of use to the integrated device.
When a new connecting rod 1 needs to be installed, the rotating rod 13 is rotated again, the same principle as the above movement principle is adopted, then the connecting block 17 is aligned with the sliding groove 19, then the connecting rod 1 is moved downwards, the connecting rod 1 moves downwards to drive the connecting block 17 to move downwards, after the connecting block 17 fully enters the sliding groove 19, the two clamping grooves 20 are positioned in front of and behind the two clamping blocks 22, then the movement of the rotating rod 13 is stopped, the cam 15 is driven to reset under the elastic force of the torsion spring 14, the protruding part of the cam 15 is in a vertical state after resetting, at the moment, the cam 15 extrudes the sliding rod 26 again, the sliding rod 26 moves downwards to compress the second spring 18, the sliding rod 26 moves downwards to start pushing the inclined surfaces of the two clamping blocks 22, the two clamping blocks 22 start to move back to back and gradually protrude out of the inside of the accommodating channel 21 under the pushing action, and finally the two clamping blocks 22 are positioned inside the two clamping grooves 20, the two clamping blocks 22 can block the two clamping grooves 20, and the connecting rod 1 can be mounted.
Because the two fixture blocks 22 are in the shape of a right trapezoid, when the sliding rod 26 moves downward, the two fixture blocks 22 can be smoothly pushed to move away from each other, so that the two fixture blocks 22 smoothly enter the inside of the clamping groove 20, and the installation of the connecting rod 1 is facilitated.
The working principle is as follows: when people need to use the connecting rod 1 and the main body rod 2 to disassemble the valve guide tube, in a static state, the limiting plate 3 is tightly attached to the outer wall of the main body rod 2 under the elastic force of the first spring 6, then the main body rod 2 is placed in the valve, the limiting plate 3 is exposed at the top of the valve to limit the limiting plate 3, then the connecting rod 1 is rotated, the connecting rod 1 rotates to drive the threaded rod 10 to rotate, the threaded rod 10 rotates and moves downwards to drive the connecting ring 11 to rotate downwards and move, when the outer wall of the connecting ring 11 moves downwards to be in contact with the left side of the movable rod 5, the connecting rod 1 continues to rotate, the connecting ring 11 continues to rotate and move downwards, because the connecting ring 11 is in a truncated cone shape, the outer wall of the connecting ring 11 starts to extrude the left side of the movable rod 5, the movable rod 5 starts to move rightwards under the extrusion of the outer wall of the connecting ring 11, the movable rod 5 starts to compress the first spring 6, the movable rod 5 moves rightwards and begins to drive the limiting plate 3 to move rightwards, the limiting plate 3 moves rightwards and is close to the inner wall of the air valve gradually, the outer wall of the limiting plate 3 is driven to adjust to the position of the inner wall of the air valve tightly under the rotation of the connecting rod 1, then the connecting rod 1 stops rotating, and the fixed limiting effect of the main body rod 2 in the air valve is achieved.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims (8)

1. An internal combustion engine valve guide extracting tool which characterized in that: including connecting rod (1), the bottom of connecting rod (1) is provided with main part pole (2), the inside cavity of main part pole (2), the bottom of connecting rod (1) is provided with threaded rod (10), the fixed surface of threaded rod (10) is connected with go-between (11), the shape of go-between (11) is the round platform form, threaded rod (10) are at the inside swing joint of main part pole (2), the inside of main part pole (2) is provided with stop device, the front side of connecting rod (1) is seted up second recess (12), the inside of second recess (12) is provided with the dismounting device of being convenient for.
2. An internal combustion engine valve guide removal tool as claimed in claim 1, wherein: stop device includes thread bush (9), and thread bush (9) fixed connection cup joints at the surperficial screw thread of threaded rod (10) in the inside of main part pole (2), and four first passageways (4) have been seted up to the inner wall of main part pole (2), and the structure homogeneous phase in four first passageways (4) is the same, and the inside sliding connection of first passageway (4) has movable rod (5).
3. An internal combustion engine valve guide removal tool as claimed in claim 2, wherein: first spring (6) has been cup jointed in the surface activity of movable rod (5), and the left side fixed connection of first spring (6) is on the surface of movable rod (5), and the right side fixed connection of first spring (6) is at the inner wall of main part pole (2), and inside that movable rod (5) run through main part pole (2) extends to the outside of main part pole (2).
4. An internal combustion engine valve guide removal tool according to claim 3, wherein: one end fixedly connected with limiting plate (3) of main part pole (2) is kept away from in movable rod (5), and limiting plate (3) are the semiarc form, and first recess (7) have been seted up to the outside of limiting plate (3), and the inside of first recess (7) is rotated and is connected with ball (8).
5. An internal combustion engine valve guide removal tool as claimed in claim 4, wherein: convenient to detach device includes dwang (13), dwang (13) are rotated and are connected in the inside of second recess (12), torsion spring (14) have been cup jointed in the surface activity of dwang (13), the front end fixed connection of torsion spring (14) is on the surface of dwang (13), the rear end fixed connection of torsion spring (14) is in the front side of connecting rod (1), the fixed surface of dwang (13) is connected with cam (15), second passageway (16) have been seted up to the diapire of second recess (12), the inside sliding connection of second passageway (16) has slide bar (26), the top of slide bar (26) and the top contact and the mutual extrusion of cam (15).
6. An internal combustion engine valve guide removal tool according to claim 5, wherein: spout (19) have been seted up at the top of threaded rod (10), draw-in groove (20) have all been seted up to the front and back inner wall in spout (19), connecting rod (1) bottom fixedly connected with connecting block (17), connecting block (17) are at the inside sliding connection of spout (19), the rear side of connecting block (17) is seted up and is accomodate passageway (21), slide bar (26) run through second passageway (16) and extend to the inside of accomodating passageway (21), slide bar (26) are at the inside sliding connection of accomodating passageway (21).
7. An internal combustion engine valve guide removal tool according to claim 6, wherein: the bottom of the sliding rod (26) and the bottom wall in the accommodating channel (21) are fixedly connected with a second spring (18), the inside of the accommodating channel (21) is connected with two clamping blocks (22) in a sliding mode, the two clamping blocks (22) are connected in the two clamping grooves (20) in a sliding mode, and the two clamping blocks (22) are in a right trapezoid shape.
8. An internal combustion engine valve guide removal tool according to claim 7, wherein: accomodate diapire in passageway (21) and seted up two slides (23), the structure homogeneous phase in two slides (23), the inside sliding connection of slide (23) has movable block (24), and movable block (24) fixed connection is in the bottom of fixture block (22), fixedly connected with third spring (25) between movable block (24) and slide (23).
CN202210538776.3A 2022-05-18 2022-05-18 Valve guide dismounting tool for internal combustion engine Active CN114750104B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210538776.3A CN114750104B (en) 2022-05-18 2022-05-18 Valve guide dismounting tool for internal combustion engine

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Application Number Priority Date Filing Date Title
CN202210538776.3A CN114750104B (en) 2022-05-18 2022-05-18 Valve guide dismounting tool for internal combustion engine

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CN114750104A true CN114750104A (en) 2022-07-15
CN114750104B CN114750104B (en) 2024-05-03

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CN215281806U (en) * 2021-07-02 2021-12-24 上海环讯实业有限公司 Variable-aperture hexagonal-head screw assembling and disassembling sleeve tool

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