CN102705028A - Reset spring fixing device for cam phaser - Google Patents
Reset spring fixing device for cam phaser Download PDFInfo
- Publication number
- CN102705028A CN102705028A CN2012101638275A CN201210163827A CN102705028A CN 102705028 A CN102705028 A CN 102705028A CN 2012101638275 A CN2012101638275 A CN 2012101638275A CN 201210163827 A CN201210163827 A CN 201210163827A CN 102705028 A CN102705028 A CN 102705028A
- Authority
- CN
- China
- Prior art keywords
- returnning spring
- hole
- fixing device
- column structure
- crotch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- F01L1/3442—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 using hydraulic chambers with variable volume to transmit the rotating force
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- 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
- F01L1/3442—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 using hydraulic chambers with variable volume to transmit the rotating force
- F01L2001/3445—Details relating to the hydraulic means for changing the angular relationship
- F01L2001/34483—Phaser return springs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Springs (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a reset spring fixing device for a cam phaser, which comprises a spring seat and a cover plate, wherein the spring seat is in a two-stage column-shaped structure which is communicated up and down, the diameter of the upper column-shaped structure is larger than that of the lower column-shaped structure, an annular end face is formed on the connecting position between the upper column-shaped structure and the lower column-shaped structure, the outer circle of the lower column-shaped structure is in interference fit with the inner hole of a rotor, the upper column-shaped structure passes through a hole arranged in the middle of the cover plate, a location pinhole is formed in the end face, a location pin arranged on the rotor passes through the location pinhole, a cylindrical location pin and a large-head pin are arranged on the cover plate, the inside end of the plane scroll reset spring is connected to a square hole formed in the outer circle of the upper column-shaped structure, and the outside end thereof is connected to the large-head pin after bypassing the cylindrical location pin. The fixing device has a simple structure, fixes the reset spring more reliably, not only can limit the reset spring in the axial direction, but also can ensure the fixation between the spring and the rotor, so that the response speed of the phaser can be effectively ensured, the stability is controlled and the shutdown reset is realized.
Description
Technical field
The present invention relates to a kind of spring fitting device, particularly relating to a kind of being used for carries out spacing fixing device to its Returnning spring on the cam phaser.
Background technique
VVT changes engine valve through intelligence and opens and closes constantly, can promote engine power, moment of torsion, reduces fuel consume and discharging, is one of Hyundai Motor energy-saving and emission-reduction new technology.Cam phaser is the actuating device of VVT, and Returnning spring is set on phase discriminator, can improve the speed of response of phase discriminator, and control stability resets with realizing shutting down.
Summary of the invention
The objective of the invention is to solve the fixing insecure technical problem of existing cam phaser Returnning spring; Provide a kind of cam phaser to use the Returnning spring fixing device; This apparatus structure is simple, and the fixed reset spring is more reliable, can carry out spacing to Returnning spring at axial direction; Can guarantee again and rotor between fixing, the speed of response, control stability and the realization that effectively guarantee phase discriminator are shut down and are resetted.
For achieving the above object; The technological scheme that the present invention adopts is: a kind of cam phaser is used the Returnning spring fixing device, comprises spring seat and cover plate, and wherein spring seat is the two-stage column structure of last lower through-hole; Comprise top column structure and bottom column structure; Wherein column diameter of movement in top is greater than bottom column diameter of movement, and the position that the top column structure is connected with the bottom column structure forms the end face of a ring-type, the cylindrical of said bottom column structure and rotor inner hole interference fit; The top column structure passes the hole that the cover plate middle part is provided with; On the said end face positioning pin hole is set, the locating stud that is provided with on the rotor passes positioning pin hole, and cover plate is provided with cylinder locating stud and major part pin; The medial extremity of plane scroll shape Returnning spring is connected in the square hole of offering on the column structure cylindrical of top, and outboard end is connected on the major part pin after walking around from the outside of cylinder locating stud.
In technique scheme, said Returnning spring medial extremity is provided with to the crooked interior crotch of central axial direction, and the Returnning spring outboard end is provided with bandy outer crotch, and wherein interior crotch stretches into and is connected in the square hole on the square hole, and outer crotch colludes on the major part pin.
In technique scheme, the side that said square hole contacts with Returnning spring is provided with inflexed arc structure, and the arc surface of said arc structure and the applying of interior crotch inner arc face.
In technique scheme, the said Returnning spring outside is a cantilever, and the inboard of cantilever is close to the outside of cylinder locating stud, and the extension end of cantilever is outer crotch.
In technique scheme, said interior crotch is provided with step with outer crotch with the position that the Returnning spring main body is connected, and the thickness up and down of promptly interior crotch and outer crotch is less than the thickness up and down of Returnning spring main body.
In technique scheme, said cover plate is provided with through hole, and cylinder locating stud and major part pin and through hole interference fit are installed on the cover board.
In technique scheme, said major part pin comprises and the small column part of through hole interference fit and the convex edge structure of small column operative tip that the bottom of small column part is the structure that has chamfering, and said cylinder locating stud is the cylindrical-shaped structure that two ends have chamfering.
In technique scheme, said bottom column structure middle part through hole is the via hole that is used for the phase discriminator mounting screw.
Can find out from each item technical characteristics of the invention described above; Its advantage is: this apparatus structure is simple, through locating stud spring seat is fixed on the rotor, and spring seat is set to the two-stage step-like structure; Returnning spring is set to plane scroll shape structure; With the top column structure is the mandrel rotation, and crotch is fixed in the square hole in the spring, and outside cantilever is walked around the cylinder locating stud and is close to its outside; Outer then crotch colludes the small column part at the major part pin, in fixing spring the convex edge structure qualification spring end face axially deviate from; Arc structure in the square hole and interior crotch arc surface are fitted, and make spring fixing more reliable; The through hole that is provided with on the end face cooperates with epitrochanterian locating stud, well defines the rotation between spring seat and the rotor; The spring seat interior edge face has formed the pad of phase discriminator mounting screw, and phase discriminator is installed the back under the impacting force effect of mounting screw, and spring seat is more reliable with being connected of rotor.
Description of drawings
The present invention will and combine the mode of instance to explain through the accompanying drawing comparison:
Fig. 1 is a 3-D solid structure schematic representation of the present invention;
Fig. 2 is a sectional structure schematic representation of the present invention;
Fig. 3 is a plan structure schematic representation of the present invention;
Fig. 4 is a Returnning spring structural representation of the present invention;
Fig. 5 is a spring seat structural representation of the present invention;
Fig. 6 is a spring seat structural representation of the present invention;
Fig. 7 is a cover plate structure schematic representation of the present invention;
Fig. 8 is a cylinder locating pin structure schematic representation of the present invention;
Fig. 9 is a major part pin structure schematic representation of the present invention;
Wherein reference character 1 is that spring seat 2 is that cover plate 3 is top column structures
The 4th, bottom column structure 5 is that end face 6 is that rotor 7 is positioning pin holes
The 8th, locating stud 9 is that cylinder locating stud 10 is that major part pin 11 is Returnning springs
The 12nd, square hole 13 is that interior crotch 14 is that outer crotch 15 is arc structures
The 16th, cantilever 17 is that step 18 is that through hole 19 is small column parts
The 20th, convex edge structure 21 is via holes.
Embodiment
Through embodiment the present invention is done further explanation below in conjunction with accompanying drawing.
Preferred embodiment
A kind of cam phaser is used the Returnning spring fixing device, like Fig. 1-shown in Figure 3, comprises spring seat and cover plate; Wherein spring seat is the two-stage column structure of last lower through-hole, like Fig. 5 and shown in Figure 6, comprises top column structure and the less bottom column structure of diameter that diameter is bigger; The position that the top column structure is connected with the bottom column structure forms the end face of a ring-type; End face has formed the pad of phase discriminator mounting screw, and bottom column structure middle part through hole is the via hole that is used for the phase discriminator mounting screw, phase discriminator is installed after; Under the impacting force effect of phase discriminator mounting screw, make spring seat more reliable with being connected of rotor; As shown in Figure 2; The cylindrical of said bottom column structure and rotor inner hole interference fit, top column structure are passed the hole that the cover plate middle part is provided with, and end face is provided with positioning pin hole; Cooperate with the locating stud on being arranged on rotor end-face, be used for rotation possible between restraining spring seat and rotor; Cover plate is provided with cylinder locating stud and major part pin; Through two through holes on the cover board are set; Cylinder locating stud and major part pin are installed on the cover board with the through hole interference fit respectively, and further in the scheme, said major part pin comprises and the small column part of through hole interference fit and the convex edge structure of small column operative tip; The outer crotch of Returnning spring catches on the small column part of major part pin, and the convex edge structure is used to limit the Returnning spring end face axial and deviates from; The bottom of small column part is the structure that has chamfering, and said cylinder locating stud is the cylindrical-shaped structure that two ends have chamfering, and this kind structure makes the easier and through hole interference fit of small column part and cylinder locating stud, the convenient taking-up and assembling; The medial extremity of plane scroll shape Returnning spring is connected in the square hole of offering on the column structure cylindrical of top; Be connected on the major part pin after outboard end is walked around from the outside of cylinder locating stud, further in the scheme, said Returnning spring medial extremity is provided with to the crooked interior crotch of central axial direction; The Returnning spring outboard end is provided with bandy outer crotch; Wherein interior crotch stretches into and is connected in the square hole on the square hole, and further, we are provided with inflexed arc structure in the side that said square hole contacts with Returnning spring; And the arc surface of said arc structure and interior crotch inner arc face are fitted; Realize circumferential fixing spring, square hole margin system the spring inner shafts to outside slippage, make spring holder on spring seat; Outer crotch colludes on the major part pin, and in order to reach better fixed effect, we are a cantilever with the Returnning spring arranged outside; The inboard of cantilever is close to the outside of cylinder locating stud, and the extension end of cantilever is outer crotch, and making spring is rotating center with spring seat top column structure; The cantilever of spring is the strong point with the cylinder locating stud; Abut against on the cylinder locating stud, outer then crotch colludes on the major part pin, plays the effect of fixing spring.
Further in the scheme; Crotch is provided with step with outer crotch with the position that the Returnning spring main body is connected in said; The thickness up and down of crotch and outer crotch is less than the thickness up and down of Returnning spring main body promptly; Under the less situation of axial installing space, adopt this scheme, this structure can make assembly space obtain best utilization.
Disclosed all characteristics in this specification except mutually exclusive characteristic, all can make up by any way.
Disclosed arbitrary characteristic in this specification (comprising any accessory claim, summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
Claims (8)
1. a cam phaser is used the Returnning spring fixing device; It is characterized in that comprising spring seat (1) and cover plate (2); Wherein spring seat (1) is the two-stage column structure of last lower through-hole; Comprise top column structure (3) and bottom column structure (4); Wherein top column structure (3) diameter is greater than bottom column structure (4) diameter, and the position that top column structure (3) is connected with bottom column structure (4) forms the end face (5) of a ring-type, the cylindrical of said bottom column structure (4) and rotor (6) endoporus interference fit; Top column structure (3) passes the hole that cover plate (2) middle part is provided with; Positioning pin hole (7) is set on the said end face (5), and rotor (6) is gone up the locating stud (8) that is provided with and is passed positioning pin hole (7), and cover plate (2) is provided with cylinder locating stud (9) and major part pin (10); The medial extremity of plane scroll shape Returnning spring (11) is connected in the square hole of offering on top column structure (3) cylindrical (12), and outboard end is connected on the major part pin (10) after walking around from the outside of cylinder locating stud (9).
2. a kind of cam phaser according to claim 1 is used the Returnning spring fixing device; It is characterized in that said Returnning spring (11) medial extremity is provided with to the crooked interior crotch (13) of central axial direction; Returnning spring (11) outboard end is provided with bandy outer crotch (14); Wherein interior crotch (13) stretches into and is connected in the square hole (12) on the square hole (12), and outer crotch (14) colludes on major part pin (10).
3. a kind of cam phaser according to claim 2 is used the Returnning spring fixing device; It is characterized in that the side that said square hole (12) contacts with Returnning spring (11) is provided with inflexed arc structure (15), and the arc surface of said arc structure (15) and the applying of interior crotch (13) inner arc face.
4. use the Returnning spring fixing device according to claim 2 or 3 described a kind of cam phasers; It is characterized in that said Returnning spring (11) outside is a cantilever (16); The inboard of cantilever (16) is close to the outside of cylinder locating stud (9), and the extension end of cantilever (16) is outer crotch (14).
5. a kind of cam phaser according to claim 4 is used the Returnning spring fixing device; It is characterized in that said interior crotch (13) is provided with step (17) with outer crotch (14) with the position that Returnning spring (11) main body is connected, the thickness up and down of promptly interior crotch (13) and outer crotch (14) is less than the thickness up and down of Returnning spring (11) main body.
6. use the Returnning spring fixing device according to claim 1 or 2 or 3 described a kind of cam phasers; It is characterized in that said cover plate (2) is provided with through hole (18), cylinder locating stud (9) and major part pin (10) are installed on the cover plate (2) with through hole (18) interference fit.
7. a kind of cam phaser according to claim 6 is used the Returnning spring fixing device; It is characterized in that said major part pin (10) comprises and the small column part (19) of through hole (18) interference fit and the convex edge structure (20) on small column part (19) top; The bottom of small column part (19) is the structure that has chamfering, and said cylinder locating stud (9) has the cylindrical-shaped structure of chamfering for two ends.
8. a kind of cam phaser according to claim 1 is used the Returnning spring fixing device, it is characterized in that said bottom column structure (4) middle part through hole is the via hole (21) that is used for the phase discriminator mounting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210163827.5A CN102705028B (en) | 2012-05-24 | 2012-05-24 | Reset spring fixing device for cam phaser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210163827.5A CN102705028B (en) | 2012-05-24 | 2012-05-24 | Reset spring fixing device for cam phaser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102705028A true CN102705028A (en) | 2012-10-03 |
| CN102705028B CN102705028B (en) | 2014-06-25 |
Family
ID=46898050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210163827.5A Ceased CN102705028B (en) | 2012-05-24 | 2012-05-24 | Reset spring fixing device for cam phaser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102705028B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105849372A (en) * | 2013-12-20 | 2016-08-10 | Eto电磁有限责任公司 | Camshaft adjusting device, combustion engine and assembly method |
| CN106762004A (en) * | 2016-12-27 | 2017-05-31 | 江苏太平洋精锻科技股份有限公司 | Shield for fixing camshaft phase adjuster front end torsion spring |
| CN107091129A (en) * | 2017-05-31 | 2017-08-25 | 重庆小康工业集团股份有限公司 | A kind of variable camshaft phase regulator of engine |
| CN107762586A (en) * | 2017-11-22 | 2018-03-06 | 宁波太平洋电控系统有限公司 | Locking VVT plane spring fixing devices among camshaft |
| CN108952873A (en) * | 2018-08-31 | 2018-12-07 | 绵阳富临精工机械股份有限公司 | A kind of rear-mounted VVT phaser |
| CN110666491A (en) * | 2019-10-16 | 2020-01-10 | 杭州高品自动化设备有限公司 | Torsional spring locating pin assembly devices |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030177993A1 (en) * | 2002-02-28 | 2003-09-25 | Aisin Seiki Kabushiki Kaisha | Variable valve timing device |
| US20090211549A1 (en) * | 2008-02-21 | 2009-08-27 | Schaeffler Kg | Cam phase adjuster with a plurality of springs |
| CN202628214U (en) * | 2012-05-24 | 2012-12-26 | 绵阳富临精工机械股份有限公司 | Reset spring fixing device for cam phaser |
-
2012
- 2012-05-24 CN CN201210163827.5A patent/CN102705028B/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030177993A1 (en) * | 2002-02-28 | 2003-09-25 | Aisin Seiki Kabushiki Kaisha | Variable valve timing device |
| US20090211549A1 (en) * | 2008-02-21 | 2009-08-27 | Schaeffler Kg | Cam phase adjuster with a plurality of springs |
| CN202628214U (en) * | 2012-05-24 | 2012-12-26 | 绵阳富临精工机械股份有限公司 | Reset spring fixing device for cam phaser |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105849372A (en) * | 2013-12-20 | 2016-08-10 | Eto电磁有限责任公司 | Camshaft adjusting device, combustion engine and assembly method |
| CN105849372B (en) * | 2013-12-20 | 2018-10-12 | Eto电磁有限责任公司 | Camshaft adjuster, internal combustion engine and assembly method |
| CN106762004A (en) * | 2016-12-27 | 2017-05-31 | 江苏太平洋精锻科技股份有限公司 | Shield for fixing camshaft phase adjuster front end torsion spring |
| CN106762004B (en) * | 2016-12-27 | 2022-05-20 | 江苏太平洋精锻科技股份有限公司 | Shield for fixing front torsion spring of camshaft phase adjuster |
| CN107091129A (en) * | 2017-05-31 | 2017-08-25 | 重庆小康工业集团股份有限公司 | A kind of variable camshaft phase regulator of engine |
| CN107762586A (en) * | 2017-11-22 | 2018-03-06 | 宁波太平洋电控系统有限公司 | Locking VVT plane spring fixing devices among camshaft |
| CN107762586B (en) * | 2017-11-22 | 2024-04-12 | 宁波太平洋电控系统有限公司 | Plane spring fixing device for cam shaft middle locking VVT |
| CN108952873A (en) * | 2018-08-31 | 2018-12-07 | 绵阳富临精工机械股份有限公司 | A kind of rear-mounted VVT phaser |
| CN108952873B (en) * | 2018-08-31 | 2023-11-03 | 绵阳富临精工机械股份有限公司 | Rear-mounted VVT phaser |
| CN110666491A (en) * | 2019-10-16 | 2020-01-10 | 杭州高品自动化设备有限公司 | Torsional spring locating pin assembly devices |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102705028B (en) | 2014-06-25 |
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Decision date of declaring invalidation: 20210722 Decision number of declaring invalidation: 50804 Granted publication date: 20140625 |