CN107762586A - Locking VVT plane spring fixing devices among camshaft - Google Patents
Locking VVT plane spring fixing devices among camshaft Download PDFInfo
- Publication number
- CN107762586A CN107762586A CN201711176649.9A CN201711176649A CN107762586A CN 107762586 A CN107762586 A CN 107762586A CN 201711176649 A CN201711176649 A CN 201711176649A CN 107762586 A CN107762586 A CN 107762586A
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- Prior art keywords
- spring
- spring base
- plane
- camshaft
- rotor
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- 210000000078 claw Anatomy 0.000 claims description 12
- 241000469816 Varus Species 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 238000011105 stabilization Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses locking VVT plane spring fixing devices among camshaft, purpose is the technical problem for the plane scroll spring fixing device complexity for solving locking VVT among existing camshaft, locking VVT plane scroll spring fixing devices among a kind of camshaft are provided, the apparatus structure is simple, fixed pan scroll spring is more reliable, it is and more simple when assembling, also ensure that plane scroll spring does not axially jump circle at work, plane scroll spring force value stabilization can be effectively ensured, locking VVT governing speeds among improving, Adjustment precision (stability) and realize engine abnormity shut down when camshaft proper reset；For locking VVT plane scroll springs among existing camshaft, this structure saves three parts such as plane scroll spring steady pin (or cylindrical positioning pins), spring base steady pin, spring shield, simplify the structure and part of locking VVT among camshaft, reduce cost, assembly process is simplified, makes the assembly life-span more reliable.
Description
Technical field
The present invention relates to technical field of automobile parts, is specifically that one kind is used for locking VVT among engine cam
The plane scroll spring that it resets is fixed spacing fixing device.
Background technology
Engine can improve charge using VVT, increase coefficient of charge, and burning is more abundant,
The moment of torsion and power for alloing engine are further improved, and reduce fuel consumption and discharge, are Hyundai Motor sections
One of energy emission reduction new technology.And locking Formula V VT is the performs device of VVT upgrading among camshaft, in centre
Plane scroll spring is set on locking VVT, middle locking VVT governing speed, Adjustment precision (stability) and realization can be improved
Camshaft proper reset when engine abnormity is shut down.
The present invention is a kind of novel spring fitting device, and a kind of plane scroll spring is fixed and is limited in fixing device by it
On, the moment of torsion fixation for making a kind of plane scroll spring pretension certain is spacing on the securing means.Plane scroll spring axial space
It is limited to by fixing device in certain space, and plane scroll spring will not jump circle or doubling-up.Spring force value stabilization.
The content of the invention
It is an object of the invention to provide locking VVT plane spring fixing devices among a kind of camshaft, with solution
State the problem of being proposed in background technology.
To achieve the above object, the present invention provides following technical scheme：Locking VVT plane springs among a kind of camshaft
Fixing device, including spring base and rotor, plane scroll spring is provided with the spring base, wherein spring base is during bottom surface is opened
Heart hole and the cartridge structure provided with rounded bottom small boss, the spring base includes upper part planar structure and lower part two level is justified
Pylon is stepped, and wherein two level cylinder step includes spring base lower cylindrical structure and spring base Upper cylindrical structure, the bullet
Spring abutment lower cylindrical structure coordinates with rotor interference hole, and spring base bottom small boss is relative with a directional hole on rotor inner hole platform
Coordinate, make spring base circumference upper limit, the inner ring hook of plane scroll spring catches on spring base a varus hook on cylinder, puts down
Hook tangles on spring base one and digs bearing claw on the outer ring of face scroll spring, and the radial outer edge of spring base is provided with two and limited
Pawl, two limit pawls limitation plane scroll spring radial boundaries on spring base external diameter.
Preferably, the bearing claw is spring base bearing claw, and spring base bearing claw is and plane scroll spring outer ring gulf
Hook be arranged in parallel or vertically disposed digs shape supporting structure.
Preferably, the rotor outer periphery is respectively arranged with assembly and half assembly, wherein the rotor interference hole and assembly and
The centre bore of half assembly is corresponding, and spring base is interference fitted through half assembly centre bore and rotor.
Preferably, two restriction pawl inner surfaces are identical with the surface configuration of plane scroll spring on the spring base external diameter.
Preferably, the shape of the bottom small boss is identical with the shape of directional hole.
Preferably, the outer surface of the spring base lower cylindrical structure is spring base bottom surface, and spring base and rotor are mutual
During interference fit, spring base bottom surface is fitted with rotor inner hole bottom surface.
Compared with prior art, the beneficial effects of the invention are as follows：
Present invention aim to address the skill that the plane scroll spring fixing device of locking VVT among existing camshaft is complicated
Art problem, there is provided locking VVT plane scroll spring fixing devices among a kind of camshaft, the apparatus structure is simple, fixed flat
Face scroll spring is more reliable, and more simple during assembling, moreover it is possible to ensure that plane scroll spring does not axially jump circle at work,
Plane scroll spring force value stabilization can be effectively ensured, improve middle locking VVT governing speeds, Adjustment precision (stability) and realize
Camshaft proper reset when engine abnormity is shut down；For locking VVT plane scroll springs among existing camshaft, this structure
Three parts such as plane scroll spring steady pin (or cylindrical positioning pins), spring base steady pin, spring shield are saved, are simplified
Locking VVT structure and part, reduces cost, simplifies assembly process, make the assembly life-span more reliable among camshaft.
Brief description of the drawings
Fig. 1 is spring seat assembly structural representation of the present invention；
Fig. 2 is spring seat assembly structural perspective of the present invention；
Fig. 3 is rotor structure schematic diagram of the present invention；
Fig. 4 is spring seat assembly of the present invention, rotor and assembly mounting structure sectional view；
Fig. 5 is the top view that spring base of the present invention is arranged on assembly；
Fig. 6 is that bearing claw of the present invention and plane scroll spring be arranged in parallel schematic diagram.
In figure：1 spring base；2 plane scroll springs；3 small boss；4 varus hooks；5 inner ring hooks；On 6 spring base external diameters
Two limit pawl；7 bearing claws；8 outer ring hooks；9 lower cylindrical structures；10 inner rings；11 Upper cylindrical structures；12 directional holes；13 mistakes
It is full of hole；14 cylinder steady pins；15 spring seat assemblies；16 half assemblies；17 assemblies；18 rotors；The mounting plane of 19 spring bases；20 bullets
Spring abutment bottom surface；21 rotor inner hole bottom surfaces.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-6 are referred to, the present invention provides a kind of technical scheme：
Locking VVT plane spring fixing devices among camshaft, including spring base 1 and rotor 18, on the spring base 1
Plane scroll spring 2 is provided with, wherein spring base 1 is that centre bore and the cartridge structure provided with rounded bottom small boss 3 are opened in bottom surface,
The spring base 1 includes upper part planar structure and lower part two level cylinder step, and wherein two level cylinder step includes bullet
Spring abutment lower cylindrical structure 9 and spring base Upper cylindrical structure 11, the spring base lower cylindrical structure 9 and rotor interference hole 13
Coordinate, spring base bottom small boss 3 and the relative engagement of a directional hole 12 on rotor inner hole platform, make the circumference upper limit of spring base 1,
The inner ring hook 4 of plane scroll spring 2 catches on spring base 1 that an inner ring hook 5, the outer ring of plane scroll spring 2 are curved on cylinder
Hook 8 and tangle on spring base 1 one and dig bearing claw 7, and the radial outer edge of spring base is provided with two and limits pawls, two limits on spring base external diameter
Determine pawl 6 and limit plane scroll spring radial boundary.
Preferred embodiment
Locking VVT plane spring fixing devices among camshaft, including spring base 1, plane scroll spring 2；Plane whirlpool
The inner ring 10 of coil spring 2 is interference fitted with the Upper cylindrical structure 11 of spring base 1, and the inner ring hook 5 of plane scroll spring 2 is hung over
On spring base 1 on cylinder varus hook 4, then pass through the supporting of the outer ring hook 8 of rotational plane scroll spring 2 to spring base 1
Tangled at pawl 7 and be assembled into spring seat assembly 15；During the assembly 16 of spring seat assembly 15 and half installation formed, under spring base 1
Portion's cylindrical structure 9 is put down against the interference hole 13 of rotor 18, the endoporus of the alignment rotor 18 of bottom small boss 3 of described spring base 1
Directional hole 12 on platform, the outer ring hook 8 of the plane scroll spring 2 of described spring seat assembly 15 are directed at the cylinder on half assembly 16
Steady pin 14, then the mounting plane 19 of holddown spring seat until spring base bottom surface 20 and rotor inner hole bottom surface 21 be affixed completely for
Only assembling is completed；
Bearing claw 7 in the present embodiment can be to hook to be arranged in parallel or vertically disposed turn over plane scroll spring outer ring gulf
Shape supporting structure is played, need to only ensure that both are bonded and catch on setting.
The spring base 1 not only clever structure, and structure is stamped part, processing technology is simple, efficiency high, cost most
It is low.Not only number of components greatly reduces the structure, moreover it is possible to assembly space is obtained best utilization, by plane scroll spring elder generation and bullet
Spring abutment assembles, and can also greatly simplify assembly technology, improves production efficiency, is advantageous to automated production.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. locking VVT plane spring fixing devices among a kind of camshaft, including spring base and rotor, it is characterised in that：Institute
State and plane scroll spring is provided with spring base, wherein spring base is that centre bore and the card provided with rounded bottom small boss are opened in bottom surface
Holder structure, the spring base include upper part planar structure and lower part two level cylinder step, wherein two level cylinder step
Including spring base lower cylindrical structure and spring base Upper cylindrical structure, the spring base lower cylindrical structure and rotor interference hole
Coordinate, spring base bottom small boss and a directional hole relative engagement on rotor inner hole platform, make spring base circumference upper limit, plane
The inner ring hook of scroll spring catches on spring base a varus hook on cylinder, and hook tangles bullet on the outer ring of plane scroll spring
One digs bearing claw on spring abutment, and the radial outer edge of spring base is provided with two and limits pawl, and two restriction pawl limitations are flat on spring base external diameter
Face scroll spring radial boundary.
2. locking VVT plane spring fixing devices among camshaft according to claim 1, it is characterised in that：It is described
Bearing claw is spring base bearing claw, and spring base bearing claw is to hook to be arranged in parallel or vertical set with plane scroll spring outer ring gulf
That puts digs shape supporting structure.
3. locking VVT plane spring fixing devices among camshaft according to claim 1, it is characterised in that：It is described
Rotor outer periphery is respectively arranged with assembly and half assembly, wherein the rotor interference hole is relative with the centre bore of assembly and half assembly
Should, and spring base is interference fitted through half assembly centre bore and rotor.
4. locking VVT plane spring fixing devices among camshaft according to claim 1, it is characterised in that：It is described
Two restriction pawl inner surfaces are identical with the surface configuration of plane scroll spring on spring base external diameter.
5. locking VVT plane spring fixing devices among a kind of camshaft according to claim 1, it is characterised in that：
The shape of the bottom small boss is identical with the shape of directional hole.
6. locking VVT plane spring fixing devices among camshaft according to claim 1, it is characterised in that：It is described
The outer surface of spring base lower cylindrical structure is spring base bottom surface, and when spring base is mutually interference fitted with rotor, spring base bottom
Face is fitted with rotor inner hole bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176649.9A CN107762586B (en) | 2017-11-22 | 2017-11-22 | Plane spring fixing device for cam shaft middle locking VVT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176649.9A CN107762586B (en) | 2017-11-22 | 2017-11-22 | Plane spring fixing device for cam shaft middle locking VVT |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107762586A true CN107762586A (en) | 2018-03-06 |
| CN107762586B CN107762586B (en) | 2024-04-12 |
Family
ID=61279165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711176649.9A Active CN107762586B (en) | 2017-11-22 | 2017-11-22 | Plane spring fixing device for cam shaft middle locking VVT |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107762586B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465769A (en) * | 2018-05-22 | 2018-08-31 | 宁波太平洋电控系统有限公司 | Scroll spring assembly machine built in the VVT actuators of band signal wheel |
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| CN102367749A (en) * | 2011-10-18 | 2012-03-07 | 奇瑞汽车股份有限公司 | Variable valve timing device |
| CN102705028A (en) * | 2012-05-24 | 2012-10-03 | 绵阳富临精工机械股份有限公司 | Reset spring fixing device for cam phaser |
| CN102725485A (en) * | 2010-01-25 | 2012-10-10 | 谢夫勒科技股份两合公司 | Camshaft adjuster |
| CN103375215A (en) * | 2012-04-20 | 2013-10-30 | 谢夫勒科技股份两合公司 | Spring suspension of a hydraulic camshaft adjuster |
| DE102013209053A1 (en) * | 2013-05-16 | 2014-11-20 | Schaeffler Technologies Gmbh & Co. Kg | Camshaft adjuster with a spring retainer and a return spring |
| DE102014206099A1 (en) * | 2014-04-01 | 2015-10-01 | Schaeffler Technologies AG & Co. KG | Phaser |
| CN105074143A (en) * | 2012-12-18 | 2015-11-18 | 舍弗勒技术股份两合公司 | Camshaft adjusting system |
| CN105604626A (en) * | 2014-11-21 | 2016-05-25 | 江苏海龙电器有限公司 | Variable valve timing device with back cover for internal combustion machine |
| CN105673116A (en) * | 2014-11-21 | 2016-06-15 | 江苏海龙电器有限公司 | Hydraulic blade type valve timing adjuster for engine |
| CN106523064A (en) * | 2016-12-27 | 2017-03-22 | 江苏太平洋精锻科技股份有限公司 | Plane spiral spring fixing device for cam phaser |
| CN107313823A (en) * | 2016-04-27 | 2017-11-03 | 舍弗勒技术股份两合公司 | The cam axis adjustment device of torsionspring and spring cover piece with axial bending |
| CN207513645U (en) * | 2017-11-22 | 2018-06-19 | 宁波太平洋电控系统有限公司 | Locking VVT plane spring fixing devices among camshaft |
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2017
- 2017-11-22 CN CN201711176649.9A patent/CN107762586B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102725485A (en) * | 2010-01-25 | 2012-10-10 | 谢夫勒科技股份两合公司 | Camshaft adjuster |
| CN102367749A (en) * | 2011-10-18 | 2012-03-07 | 奇瑞汽车股份有限公司 | Variable valve timing device |
| CN103375215A (en) * | 2012-04-20 | 2013-10-30 | 谢夫勒科技股份两合公司 | Spring suspension of a hydraulic camshaft adjuster |
| CN102705028A (en) * | 2012-05-24 | 2012-10-03 | 绵阳富临精工机械股份有限公司 | Reset spring fixing device for cam phaser |
| CN105074143A (en) * | 2012-12-18 | 2015-11-18 | 舍弗勒技术股份两合公司 | Camshaft adjusting system |
| DE102013209053A1 (en) * | 2013-05-16 | 2014-11-20 | Schaeffler Technologies Gmbh & Co. Kg | Camshaft adjuster with a spring retainer and a return spring |
| DE102014206099A1 (en) * | 2014-04-01 | 2015-10-01 | Schaeffler Technologies AG & Co. KG | Phaser |
| CN105604626A (en) * | 2014-11-21 | 2016-05-25 | 江苏海龙电器有限公司 | Variable valve timing device with back cover for internal combustion machine |
| CN105673116A (en) * | 2014-11-21 | 2016-06-15 | 江苏海龙电器有限公司 | Hydraulic blade type valve timing adjuster for engine |
| CN107313823A (en) * | 2016-04-27 | 2017-11-03 | 舍弗勒技术股份两合公司 | The cam axis adjustment device of torsionspring and spring cover piece with axial bending |
| CN106523064A (en) * | 2016-12-27 | 2017-03-22 | 江苏太平洋精锻科技股份有限公司 | Plane spiral spring fixing device for cam phaser |
| CN207513645U (en) * | 2017-11-22 | 2018-06-19 | 宁波太平洋电控系统有限公司 | Locking VVT plane spring fixing devices among camshaft |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465769A (en) * | 2018-05-22 | 2018-08-31 | 宁波太平洋电控系统有限公司 | Scroll spring assembly machine built in the VVT actuators of band signal wheel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107762586B (en) | 2024-04-12 |
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