CN109048789B - Novel assembly and disassembly tools of valve collet - Google Patents
Novel assembly and disassembly tools of valve collet Download PDFInfo
- Publication number
- CN109048789B CN109048789B CN201811263795.XA CN201811263795A CN109048789B CN 109048789 B CN109048789 B CN 109048789B CN 201811263795 A CN201811263795 A CN 201811263795A CN 109048789 B CN109048789 B CN 109048789B
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- Prior art keywords
- valve
- rotary
- valve collet
- collet
- pressing table
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- 238000003825 pressing Methods 0.000 claims abstract description 53
- 238000003466 welding Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 abstract description 13
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 11
- 238000012423 maintenance Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
Classifications
-
- 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
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
Abstract
The invention discloses a novel dismounting tool for a valve collet, which comprises a rotary body and a cylindrical pressing table, wherein the rotary body is formed by welding a rotary ring and two symmetrically arranged rotary brackets which are positioned on the side surface of the rotary ring; each rotating support is provided with a step round rod, the axis of the step round rod is perpendicular to the axis of the cylindrical pressing table, the step round rods are restrained on the rotating supports and slide along the axis direction of the step round rods, and one end of each step round rod, which is close to the cylindrical pressing table, is fixed with a round magnet. The invention prevents the bad phenomena of tilting, side turning, interference and the like from occurring when the valve collet is disassembled, realizes the quick and effective disassembly and assembly of the valve collet, has few procedures, can complete the disassembly and assembly work of the valve collet by only one person, and has low labor intensity and high safety.
Description
Technical Field
The invention relates to the technical field of disassembly and assembly of engine parts, in particular to a novel disassembly and assembly tool for a valve collet.
Background
In the daily maintenance and repair of an engine, the valve needs to be replaced or ground in time, the closing of the valve is completed by a valve spring, the spring limits through a valve spring seat and transmits the pretightening force for closing the valve, and a valve collet is a part for limiting the valve spring seat and is used for guaranteeing the pretightening force for closing the valve by the valve spring. The valve collet is of a two-half structure, the outer surface of the valve collet is a conical surface matched with the inner wall surface of the valve spring retainer, and the inner surface of the valve collet is a semicircular boss matched with the groove of the valve head. At present, a common installation method for laboratory teaching comprises the following steps: by two and the cooperation more than two, adopt open spanner to extrude the last valve spring holder of valve spring down generally, then freehand installs the valve collet between valve stem and last valve spring holder, because the gap between valve and the spring holder is very little, and the degree of difficulty is big with the accurate placement of valve collet with freehand. In addition, the valve spring has stronger upward ejection elastic tendency, so that the hand using the tool always keeps enough downward pressure, and because the contact between the open spanner and the upper valve spring seat is in line contact, the open spanner is not easy to position during extrusion, the open spanner slides off from the surface of the upper valve spring seat easily, the valve collet installation work can be completed through multiple operations, even the valve collet can instantly impact and fly off and jump out under the action of the elastic force of the valve spring which slides and returns quickly, and the personal safety of maintenance personnel is easily caused. For maintenance personnel, the operation is complex, the operation is difficult to be carried out, the labor intensity is high, the work efficiency is low, and potential safety hazards exist. Aiming at the condition of mounting the valve collet, the invention provides a valve collet mounting tool which can reduce the labor intensity of maintenance personnel, reduce potential safety hazard and improve working efficiency. See related patents, application number: in CN201410807441.2, a method for disassembling an engine valve collet and a disassembling method thereof is proposed, in which the electromagnet is controlled to be powered on and powered off to absorb the magnetic force of the valve collet, so that it is required to ensure that the concentricity deviation of the valve collet disassembling tool and the valve stem is within an allowable range, and the left gap width of the compressed upper valve spring seat and the valve stem is slightly smaller than the outer diameter of the valve collet, so that the valve collet is blocked in the falling process, the valve collet cannot directly and smoothly fall into the ring groove of the valve stem, the position of the valve collet is easy to incline, and the once smooth installation cannot be ensured. Application number: CN200810136464.X is a novel valve collet installation tool, moves down to the annular groove of the valve stem through the valve collet, presses down and releases twice fast, installs the valve collet in place through the tiny vibrations displacement of spring, and it only moves the valve collet through the tiny vibrations of spring, and its reliability is not ensured, and its valve collet moves down to the path of the annular groove of valve stem and does not have the guide rail orientation, can't guarantee that the valve collet moves down and takes place skew, upset scheduling problem. Application number: CN201120108692.3 is a special tool for assembling valve split collet, which is not an integral structure, and needs to manually put the front and rear valve split collet into the slot edges of the arc-shaped slots of the front and rear split collet respectively, so that the procedure requirement for deflating the valve split collet is higher, the two hand ends cannot be ensured to be flat, and the valve split collet is easy to deviate.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel dismounting tool for a valve collet, which can prevent the valve collet from tilting, rollover, interference and other bad phenomena during dismounting and mounting, and realize quick and effective dismounting and mounting of the valve collet.
In order to solve the technical problems, the invention adopts the following technical scheme: the novel dismounting tool for the valve collet is characterized by comprising a rotary body and a cylindrical pressing table, wherein the rotary body is formed by welding a rotary ring and two symmetrically arranged rotary brackets which are positioned on the side surface of the rotary ring, the hollow part of the rotary ring is in clearance fit with the surface of the cylindrical pressing table, the rotary body freely rotates around the cylindrical pressing table, and a handle is arranged on the upper surface of the cylindrical pressing table; each rotating support is provided with a step round rod, the axis of the step round rod is perpendicular to the axis of the cylindrical pressing table, the step round rods are restrained on the rotating supports and slide along the axis direction of the step round rods, and one end of each step round rod, which is close to the cylindrical pressing table, is fixed with a round magnet.
The scheme is further limited, the lower end of the rotary ring is a circular ring uniformly provided with four openings, the depth of each opening of the rotary ring is slightly larger than the height of the valve collet, the width of each opening is slightly larger than the width of the valve collet, and the inner diameter of the rotary ring is slightly larger than the outer diameter of the cylindrical pressing table.
The scheme is further limited, the cylinder pressing table main body is a cylinder, an annular boss is arranged on the circumference of the bottom surface of one side of the cylinder pressing table, an open slot is formed in the middle of the bottom surface, the side surface of the cylinder pressing table is symmetrically cut off to form a fan-shaped guide slot, and a valve rod hole is formed in the center shaft of the cylinder pressing table.
The scheme is further limited, the rotating support is welded on two sides of the rotating ring in a symmetrical mode, a rotating support baffle A, a rotating support baffle B and small holes for placing step round bars are formed in the rotating support.
The technical scheme is further limited, the step round bar consists of a small round bar and a large round bar, a return spring is sleeved on the small round bar, one end of the return spring is in surface contact with the baffle A of the rotating support, the other end of the return spring is in surface contact with the end face of the large round bar, a round magnet is fixed at one end of the small round bar, a pin hole is drilled in the large round bar, a pin is fixed on the pin hole, and the pin hole is in interference fit with the pin.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in: the shape and the size of the guide groove on the cylindrical pressing table take the valve collet as a reference, and the semi-seal formed by the guide groove and the rotating ring is used as a limiting groove of the valve collet and is used for guiding the valve collet to slide downwards and stably on the surface of the upper valve spring seat so as to prevent the valve collet from tilting, rollover, interference and other adverse phenomena on the surface of the upper valve spring seat; the diameter of the valve rod hole is slightly larger than that of the valve rod, so that the cylindrical pressing table is ensured to reciprocate up and down along the axial direction of the valve rod, and the cylindrical pressing table is prevented from tilting when moving up and down; the adopted handle has moderate size, accords with the palm size of a common maintenance personnel, and is convenient for the maintenance personnel to operate; the invention can effectively complete the disassembly and assembly of the valve collet, has few working procedures, can complete the disassembly and assembly of the valve collet by only one person, reduces the labor intensity of maintenance personnel and has high safety.
Drawings
FIG. 1 is an overall isometric view of the present invention;
FIG. 2 is a bottom view of the entirety of the present invention;
FIG. 3 is a bottom view of the cylinder platen of the present invention;
FIG. 4 is a left side view of the cylinder platen of the present invention;
FIG. 5 is a front view of a cylindrical platen of the present invention;
FIG. 6 is an isometric view of a cylindrical platen in accordance with the present invention;
FIG. 7 is a front view of a rotary body formed by a rotary body and a rotary bracket in the present invention;
FIG. 8 is a cross-sectional view of a rotor C-C formed by a rotor and a rotor holder according to the present invention;
FIG. 9 is an isometric view of a rotor formed by a rotor and a rotor support according to the present invention;
FIG. 10 is an isometric view of a stepped round bar in accordance with the present invention;
FIG. 11 is an overall elevation view of the present invention;
FIG. 12 is an isometric view of an engine cylinder head assembly;
FIG. 13 is a disassembled isometric view of the valve collet assembly tool of the present invention on a cylinder head assembly;
FIG. 14 is a front view of the valve collet assembly and disassembly tool of the invention installed on a cylinder head assembly;
FIG. 15 is an isometric view of the mounting of the valve collet assembly and disassembly tool of the invention on a cylinder head assembly;
FIG. 16 is a flowchart illustrating a method for removing a valve collet assembly and disassembly tool according to the present invention;
FIG. 17 is a flow chart of a method of installing a valve collet assembly and disassembly tool of the present invention;
wherein: 1. handle, 2. Cylindrical press bench, 21. Valve stem hole, 22. Guide slot, 23. Boss, 24 open slot, 3. Rotating ring, 4. Rotating bracket, 41. Rotating bracket baffle A, 42. Rotating bracket baffle B, 5. Circular magnet, 6. Return spring, 7. Pin, 71. Pin hole, 8. Step round bar, 81. Small round bar, 82. Large round bar, 9. Cylinder head assembly, 10. Valve stem, 101. Upper valve spring seat, 11 valve spring, 12 valve collet, 13 valve collet inlet, 14 valve collet outlet.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
As can be seen from the accompanying drawings, the invention specifically relates to a novel valve collet dismounting tool, which specifically comprises a handle 1, a cylindrical pressing table 2, a valve stem hole 21, a guide groove 22, a boss 23, an open slot 24, a rotary ring 3, a rotary support 4, a rotary support baffle a41, a rotary support baffle B42, a round magnet 5, a return spring 6, a pin 7, a pin hole 71, a stepped round rod 8, a small round rod 81, a large round rod 82, a cylinder head assembly 9, a valve stem 10, an upper valve spring seat 101, a valve spring 11, a valve collet 12, a valve collet inlet 13 and a valve collet outlet 14.
As can be seen from fig. 1 to fig. 6, the cylindrical pressing table 2 is a cylinder with a through hole drilled in the center, a guide groove formed in the side surface, an open groove formed in the bottom, and a boss formed on the circumference of the bottom, and is composed of a valve rod hole 21, a guide groove 22, a boss 23 and an open groove 24, the outer diameter of the bottom of the cylindrical pressing table 2 is slightly larger than the outer diameter of the upper valve spring seat 101, so that the cylindrical pressing table 2 is ensured to completely cover the upper valve spring seat 101, the stress area is increased, and the cylindrical pressing table 2 is prevented from slipping when the upper valve spring seat 101 is pressed down; the valve rod hole 21 is a through hole in the center of the cylindrical pressing table 2, the diameter of the valve rod hole 21 is slightly larger than that of the valve rod 10, and when the cylindrical pressing table 2 is pressed down, the cylindrical pressing table 2 is ensured to reciprocate up and down along the axial direction of the valve rod 10, so that the cylindrical pressing table 2 is prevented from tilting when moving up and down; the guide grooves 22 are obtained by upward stretching and cutting two sectors symmetrically distributed on two sides of the bottom of the cylindrical pressing table 2, the length of the narrow side of each guide groove 22 close to the valve stem hole 21 is slightly larger than the maximum width of the valve collet 12, the boss 23 is a circular ring on the circumference of the bottom of the cylindrical pressing table 2, and the outer diameter of the boss 23 is larger than the inner diameter of the rotary ring 3 and is used for supporting the rotary ring 3; the open slot 24 is formed by stretching and cutting a rectangle which is vertical to the bottom surface of the cylindrical pressing table 2 and symmetrical to the central line of the cylindrical pressing table 2, the depth of the open slot 24 is slightly larger than the height of the valve collet 12, and the width of the open slot 24 is slightly larger than the maximum width of the valve collet 12, so that the valve collet 12 can pass through the open slot 24 in parallel.
It can be seen from fig. 1, fig. 2, fig. 7, fig. 8 and fig. 9 that the lower end of the rotating ring 3 is a circular ring with four openings uniformly formed on the side surface of the rotating ring 3, the depth of each opening of the rotating ring 3 is slightly larger than the height of the valve lock clamp 12, the width of each opening is slightly larger than the width of the valve lock clamp 12, the opening of the rotating ring 3 is an outlet passage of the valve lock clamp 12, the inner diameter of the rotating ring 3 is slightly larger than the outer diameter of the cylindrical pressing table 2, the rotating body formed by welding the rotating ring 3 and the rotating support 4 is rotationally moved by taking the central line of the cylindrical pressing table as the rotation center, the rotating support 4 is in a cuboid structure, a pair of rotating supports 4 are symmetrically welded on the side surface of the rotating ring 3, a rotating support baffle A41 and a rotating support baffle B42 are distributed on each rotating support 4, the support baffle A41 is welded on the rotating support 4 at a position close to one third of the rotating support 4, the rotating support baffle B42 is welded on one end of the rotating support 4 far away from the rotating ring, two round holes are respectively drilled on the rotating support A41 and the rotating support B42 by one large round hole, the diameter is slightly smaller than the diameter of the circular hole on the rotating support 4 by one large round hole, and the diameter is slightly smaller than the diameter of the round rod is 8, and the diameter of the round hole is slightly larger than the diameter of the round rod is equal to the diameter of the round rod and is slightly larger than the diameter of the round rod and is 8.
As can be seen from fig. 1, 2 and 10, each rotary support 4 in the above structure is provided with a step round bar 8, the step round bar 8 is composed of a small round bar 81 and a large round bar 82, the small round bar 81 is sleeved with a return spring 6, the large round bar 82 is provided with a pin hole 71, the pin hole 71 is positioned on the large round bar 82 and is close to one end of the small round bar 81, a pin 7 is fixed on the pin hole 71, the pin hole 71 is in interference fit with the pin 7, and the step round bar 8 is prevented from being separated from the rotary support 4 during axial movement. The return spring 6 is sleeved on the small round rod 81, one end of the return spring 6 is contacted with the surface of the baffle A41 of the rotary support, the other end of the return spring is contacted with the front end surface of the large round rod 82, and the step round rod 8 axially reciprocates under the action of external force and spring restoring force; one end of the small round rod 81 is fixed with a round magnet 5, the round magnet 5 is positioned on the small round rod 81 and far away from one end of the large round rod 82, and the round magnet 5 axially reciprocates along with the step round rod 8.
As can be seen from fig. 1, fig. 2 and fig. 11, in the above structure, the rotating body is formed by welding the rotating ring 3 and the rotating bracket 4, the rotating ring 3 is in clearance fit with the cylindrical pressing platform 2, so that the rotating body rotates around the central line of the cylindrical pressing platform 2 as a rotation center, a semi-closed space enclosed by the rotating ring 3 and the guide groove 22 is used as a path limiting groove for sliding the valve collet 12 onto the upper valve spring seat 101, the valve collet 12 is guided to slide down and smoothly onto the surface of the upper valve spring seat 101, the upper end of the opening of the semi-closed space is provided with a valve collet inlet 13, and the lower end of the opening of the semi-closed space is provided with a valve collet outlet 14; the valve lock clamp inlet 13 is an inlet of the valve lock clamp 12 entering a semi-closed space formed by the guide groove 22 and the rotary ring 3, the height of the valve lock clamp inlet 13 is slightly higher than that of the valve lock clamp 12, and the width of the valve lock clamp inlet 13 is slightly wider than that of the valve lock clamp 12, so that the valve lock clamp 12 passes through the valve lock clamp inlet 13 in parallel; the valve collet outlet 14 is the outlet from which the valve collet 12 moves out of the annular groove of the valve stem 10 toward the open groove 24, the valve collet outlet 14 being taller than the valve collet 12, the valve collet outlet 14 being slightly wider than the valve collet 12, just so that the valve collet 12 passes parallel through the valve collet outlet 14.
Specifically, the dismounting method of the valve collet comprises the steps of dismounting and mounting the valve collet.
The disassembly method comprises the following steps: as can be seen in fig. 13 and 16, the maintenance personnel firstly places the detached cylinder head assembly 9 on the workbench, secondly adjusts the valve collet assembly and disassembly tool, rotates the rotary body formed by the rotary ring 3 and the rotary support 4 by hand, so that the small round rod 81 on the rotary support 4 is aligned with the notch of the open slot 24, then holds the valve collet assembly and disassembly tool handle 1, vertically places the valve collet assembly and disassembly tool above the upper valve spring seat 101, so that the cylindrical pressing platform 2 is in surface contact with the upper valve spring seat 101, the valve rod hole 21 aligns with the valve rod 10, then forcibly presses down the handle 1, the cylindrical pressing platform 2 is pressed by the pressure of the pressing handle 1, the upper valve spring seat 101 is pressed downwards, the valve spring 11 moves downwards due to extrusion, and at the moment, the valve rod 10 moves axially along the valve rod hole 21 of the cylindrical pressing platform 2, so that the valve collet assembly and disassembly tool and the valve rod 10 are ensured to be on the same axis, and the valve collet assembly and disassembly tool is prevented from shifting when moving downwards. When the upper valve spring seat 101 is lower than the lower end face of the annular groove of the valve rod 10, the step round rod 8 is pressed from the valve collet inlet 14 to the valve rod 10 by fingers, the step round rod 8 overcomes the elastic resistance of the return spring 6 under the action of external force, the round magnet 5 is driven to move towards the central direction of the annular groove of the valve rod 10, the round magnet 5 gradually approaches the valve rod 10, the round magnet 5 sucks the valve collet 12 in the annular groove of the valve rod 10 from the valve collet outlet 14 due to the magnetic force of the round magnet 5, then the fingers are slowly loosened, the return spring 6 drives the step round rod 8 to return to the original position under the action of the self elastic force, and finally the valve collet 12 is taken down from the round magnet 5 on the small round rod 8, so that the disassembly of the valve collet 12 is completed.
The installation method of the invention comprises the following steps: as can be seen in fig. 14, 15 and 17, firstly, the rotating body formed by the rotating ring 3 and the rotating bracket 4 is rotated by hand, so that the small round rod 81 on the rotating bracket 4 deviates from the notch of the opening groove 24, the round magnet 5 fixed on the small round rod 81 is ensured to be far away from the valve rod 10, the installation of the valve collet 12 is prevented from being influenced by the magnetic force of the round magnet 5, the valve collet dismounting tool handle 1 is held by hand, the valve collet dismounting tool is vertically placed above the upper valve spring seat 101, the cylindrical pressing platform 2 is in surface contact with the upper valve spring seat 101, the valve rod hole 21 is aligned with the valve rod 10, then the handle 1 is pressed by force, the cylindrical pressing platform 2 is pressed by the pressure of the pressing handle 1, the upper valve spring seat 101 is pressed downwards, the valve spring 11 moves downwards due to the pressing of the valve rod 10 along the valve rod hole 21 of the cylindrical pressing platform 2, the valve collet dismounting tool and the valve rod 10 are ensured to be on the same axis, and the deviation of the valve collet dismounting tool during the descending motion of the valve collet is prevented. When the upper valve spring seat 101 is lower than the lower end face of the annular groove of the valve rod 10, a pair of valve lock clamps 12 are respectively placed from the valve lock clamp inlets 13, the valve lock clamps 12 stably enter the surface of the upper valve spring seat 101 along a semi-closed space formed by the guide grooves 22 and the rotating ring 3, then the valve lock clamps 12 are pushed and pushed by fingers from the valve lock clamp outlets 14 towards the central direction of the valve rod 10, so that the valve lock clamps 12 fall into the annular groove of the valve rod 10, then the valve lock clamp dismounting tool is slowly lifted upwards, the valve spring 11 is matched with the conical holes of the seat rings of the valve spring 11 and the conical surfaces of the two valve lock clamps 12 in the upward moving process, so that the convex platforms of the valve lock clamps 12 are clamped into the annular groove of the valve rod 10, and then the seat rings of the valve spring 11, the two valve lock clamps 12 and the valve rod 10 are tightly matched together, and finally the valve lock clamp dismounting tool is completely lifted, so that the mounting of the valve lock clamps is completed.
Claims (5)
1. The novel dismounting tool for the valve collet is characterized by comprising a rotary body and a cylindrical pressing table (2), wherein the rotary body is formed by welding a rotary ring (3) and two rotary supports (4) which are symmetrically arranged on the side surface of the rotary ring (3), the hollow part of the rotary ring (3) is in clearance fit with the surface of the cylindrical pressing table (2), the rotary body freely rotates around the cylindrical pressing table (2), and a handle (1) is arranged on the upper surface of the cylindrical pressing table (2); each rotating support (4) is provided with a step round rod (8), the axis of the step round rod (8) is perpendicular to the axis of the cylindrical pressing table (2), the step round rod (8) is restrained on the rotating support (4) and slides along the axis direction of the step round rod (8), and one end of the step round rod (8) close to the cylindrical pressing table (2) is fixed with a round magnet (5).
2. The novel valve collet assembly and disassembly tool according to claim 1, wherein: the lower extreme of rotatory ring (3) is the ring that evenly opens four openings, and every opening degree of depth of rotatory ring (3) is slightly greater than the height of valve collet (12), and every opening width is slightly greater than the width of valve collet (12), and the internal diameter of rotatory ring (3) is slightly greater than the external diameter of cylinder platform (2).
3. The novel valve collet assembly and disassembly tool according to claim 1, wherein: the cylinder pressing platform (2) main part is the cylinder, is equipped with annular boss (23) on the circumference of cylinder pressing platform (2) one side bottom surface, and this bottom surface middle part is equipped with open slot (24), and cylinder pressing platform (2) side symmetry excision forms fan-shaped guide slot (22), and cylinder pressing platform (2) center pin department is equipped with valve stem hole (21).
4. The novel valve collet assembly and disassembly tool according to claim 1, wherein: the rotary support (4) is symmetrically welded on two sides of the rotary ring (3), a rotary support baffle A (41) and a rotary support baffle B (42) are arranged on the rotary support (4), and small holes for placing the step round rods (8) are formed in the rotary support baffle A (41) and the rotary support baffle B (42).
5. The novel valve collet assembly and disassembly tool according to claim 4, wherein: step round bar (8) comprise little round bar (81) and big round bar (82), the cover has a return spring (6) on little round bar (81), return spring (6) one end and runing rest baffle A (41) surface contact, the other end and big round bar (82) terminal surface contact, be fixed with circular magnet (5) in little round bar (81) one end, big round bar (82) on bore a pinhole (71), pinhole (71) on be fixed with a round pin (7), pinhole (71) and round pin (7) interference fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811263795.XA CN109048789B (en) | 2018-10-28 | 2018-10-28 | Novel assembly and disassembly tools of valve collet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811263795.XA CN109048789B (en) | 2018-10-28 | 2018-10-28 | Novel assembly and disassembly tools of valve collet |
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| Publication Number | Publication Date |
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| CN109048789A CN109048789A (en) | 2018-12-21 |
| CN109048789B true CN109048789B (en) | 2024-01-19 |
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| CN201811263795.XA Active CN109048789B (en) | 2018-10-28 | 2018-10-28 | Novel assembly and disassembly tools of valve collet |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113183091B (en) * | 2021-05-31 | 2022-10-14 | 河北华北柴油机有限责任公司 | Method for assembling valve lock clamp and spring retainer |
| CN113927542B (en) * | 2021-12-16 | 2022-03-08 | 潍坊沃泰动力有限公司 | Diesel engine cylinder cap valve spring collet installation device |
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| CN208896025U (en) * | 2018-10-28 | 2019-05-24 | 邵阳学院 | A kind of novel dismantling device of valve collet |
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| US9724808B2 (en) * | 2016-01-05 | 2017-08-08 | William Blackford | Ergonomic front fork service tool |
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| KR100828793B1 (en) * | 2006-12-15 | 2008-05-09 | 현대자동차주식회사 | An apparatus for assembling valve in vehicle engine |
| CN204160422U (en) * | 2014-09-22 | 2015-02-18 | 安徽华菱汽车有限公司 | A kind of valve oil seal disassembling fixture |
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| CN109048789A (en) | 2018-12-21 |
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