CN104481622A - Roller-free valve rocker and machining method thereof - Google Patents
Roller-free valve rocker and machining method thereof Download PDFInfo
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- CN104481622A CN104481622A CN201410668221.6A CN201410668221A CN104481622A CN 104481622 A CN104481622 A CN 104481622A CN 201410668221 A CN201410668221 A CN 201410668221A CN 104481622 A CN104481622 A CN 104481622A
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- rocker
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- valve rocker
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Abstract
The invention provides a roller-free valve rocker and a machining method thereof. The roller-free valve rocker comprises a rocker body of an arch-shaped structure. The outer surface of the arc-shaped portion of the rocker body is provided with an arc portion in contact with a cam. Both inner ends of the arch-shaped portion of the rocker body are respectively provided with a ball socket matched with the ball head portion of a hydraulic lash adjuster and an arc portion in contact with a valve stem. The arc portion in contact with the cam, the ball socket and the arc portion in contact with the valve stem are all integrally connected to the rocker body. The machining method mainly includes integrally machining and forming the rocker body, the arc portion in contact with the cam, the ball socket and the arc portion in contact with the valve stem. The roller-free valve rocker omits a needle bearing which is a must of a traditional valve rocker and a pin hole matched with the needle bearing, thereby being simple in overall structure, greatly reducing the weight of an assembly, reducing the rotational inertia of the valve rocker, facilitating the improvement of the production efficiency of the valve rocker, decreasing the production cost and reducing the mechanical loss of an engine.
Description
Technical field
The present invention relates to valve rocker technical field, especially relate to the one of motor car engine without roller valve rocker and processing method thereof.
Background technique
Along with the develop rapidly of automotive industry, people propose more and more higher requirement to the power character of motor car engine, Economy, impel motor car engine to strengthening, at a high speed, low oil consumption, low emission future development, thus also the component product of motor car engine to be had higher requirement.Valve rocker is as one of the key components and parts of motor car engine, and improving its wear resistance further, reduce himself weight, improving its working life etc. is the target that valve rocker design and manufaction is pursued always.
In existing valve rocker product produced both at home and abroad, most of valve rocker is with roller bearing structure, the valve rocker of this band roller bearing, man-hour is added at valve rocker arm assembly, need in rocker body, first process the pin shaft hole matched with bearing, again bearing is fixed in pin shaft hole, finally roller and bearing assemble is got up.Therefore, not only component are many for this valve rocker product, complex structure, and the production process of whole valve rocker increases, the manufacture cycle is longer, the own wt of the valve rocker arm assembly after assembling is increased, the rotary inertia of valve rocker is difficult to reduce, easily cause valve rocker to fly off in high speed swinging, cause motor to occur abnormal.
Summary of the invention
The technical problem to be solved in the present invention is: for prior art Problems existing, provide a kind of and reduce himself weight without roller valve rocker and processing method thereof, and structure is simple, improve the manufacturing efficiency of valve rocker arm assembly.
The technical problem to be solved in the present invention realizes by the following technical solutions: a kind of without roller valve rocker, comprise rocker body, described rocker body is arch structure, arrange and cam contact circular arc part at the outer surface of its arch portion, two ends inside its arch portion arrange the ball coordinated with hydraulic lash adjuster ball head respectively and cheat and contact circular arc part with valve stem, and circular arc part is all integrated with rocker body connects in described cheating with cam contact circular arc part, ball and contact with valve stem.
Preferably, also comprise two pieces of spacing gussets of relative thirty years of age, described spacing gusset will be cheated with cam contact circular arc part, ball, contact circular arc part with valve stem and join for overall.
Preferably, described spacing gusset is integrated with rocker body connects.
Preferably, two pieces of described spacing gussets are arranged in parallel.
Preferably, rocker body offers nozzle opening, described nozzle opening and ball are cheated mutually through.
Preferably, the angle between the central axis of described nozzle opening and horizontal plane is acute angle.
Preferably, the central axis of described nozzle opening is with tangent with cam contact circular arc part.
Preferably, described valve rocker adopts low carbon steel or aluminum alloy to make.
A kind of processing method without roller valve rocker as above, described rocker body, with cam contact circular arc part, to cheat with the ball that hydraulic lash adjuster ball head coordinates and contact circular arc part with valve stem be integrated machine shaping.
Preferably, described rocker body, with cam contact circular arc part, cheat with the ball that hydraulic lash adjuster ball head coordinates and contact with valve stem circular arc part be by mould integration impact briquetting.
Compared with prior art, the invention has the beneficial effects as follows: by the rocker body of arch structure will with cam contact circular arc part, circular arc part integration directly machine shaping is cheated and contacted with valve stem to the ball coordinated with hydraulic lash adjuster ball head, the pin-and-hole eliminating this assembly of the necessary needle bearing of traditional valve rocking arm and match with needle bearing, highly shortened the processing technology of valve rocker arm assembly, and overall structure is simpler, the weight of valve rocker arm assembly also reduces greatly, make the production of valve rocker product, processing is more prone to, improve the manufacturing efficiency of valve rocker, be conducive to reducing cost of production, meanwhile, also make the rotary inertia of valve rocker be minimized, thus be conducive to the mechanical loss reducing motor, improve the power performance of motor.
Accompanying drawing explanation
Fig. 1 is a kind of D structure figure (worm's eye view) without roller valve rocker of the present invention.
Fig. 2 is a kind of D structure figure (side view) without roller valve rocker of the present invention.
Fig. 3 is a kind of plan view without roller valve rocker of the present invention.
Fig. 4 is a kind of plan view without roller valve rocker of the present invention.
Fig. 5 be in Fig. 4 A-A to sectional view.
Fig. 6 is a kind of worm's eye view without roller valve rocker of the present invention.
Fig. 7 is a kind of left view without roller valve rocker of the present invention.
Fig. 8 is a kind of right elevation without roller valve rocker of the present invention.
Fig. 9 is a kind of fundamental diagram without roller valve rocker of the present invention.
Mark in figure: 1-rocker body, 2-cam, 3-Returnning spring, 4-valve stem, 5-hydraulic lash adjuster, 11-and cam contact circular arc part, 12-contacts circular arc part with valve stem, the spacing gusset of 13-, and 14-ball is cheated, 15-nozzle opening.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with the drawings and specific embodiments, the present invention is described in detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, Figure 2, the one shown in Fig. 3, Fig. 5 is without roller valve rocker, its main body is the rocker body 1 of arch structure, arrange and cam contact circular arc part 11 at the outer surface of the arch portion of described rocker body 1, two ends inside rocker body 1 arch portion arrange the ball coordinated with hydraulic lash adjuster ball head respectively and cheat 14 and contact circular arc part 12 with valve stem, described cheat 14 and contact with valve stem that circular arc part 12 is all integrated with rocker body 1 to be connected with cam contact circular arc part 11, ball.
Of the present invention without the common distribution device formed as shown in Figure 9 of the rocker body 1 in roller valve rocker and cam 2, valve stem 4, Returnning spring 3 and hydraulic lash adjuster 5, cam 2 wherein between hydraulic lash adjuster 5 and valve stem 4, and with the contacting with cam contact circular arc part 11 of rocker body 1 arch portion outer surface; Described valve stem 4 is in the right-hand member of rocker body 1, and it contacts with the circular arc part 12 that contacts with valve stem inside rocker body 1; Described Returnning spring 3 is socketed on valve stem 4; Described hydraulic lash adjuster 5 is in the left end of rocker body 1, and ball head and the ball of its end are cheated 14 and matched.
When distribution device works, the rotary motion of cam 2 is transmitted by rocker body 1, makes rocker body 1 can be a spot wobble around hydraulic lash adjuster 5, thus by the Movement transmit of cam 2 to valve stem 4, can drive valve stem 4 moving linearly downwards.Valve stem 4 is moving downward in process, compression reseting spring 3, and Returnning spring 3 pairs of valve stems 4 apply reverse thrust, to drive the reset of valve stem 4.Due to directly contacting with the cam 2 of high speed rotating with cam contact circular arc part 11 in rocker body 1, in order to alleviate and cam contact circular arc part 11, the fretting wear each other of both cams 2, improve the working life of valve rocker, as Fig. 2, Fig. 4, shown in Fig. 5, rocker body 1 offers nozzle opening 15, described nozzle opening 15 and ball are cheated 14 mutually through, usually, angle between the central axis of nozzle opening 15 and horizontal plane is acute angle, as shown in Figure 9, with ensure from nozzle opening 15 spray lubricant oil can be ejected in cam 2 or rocker body 1 with cam contact circular arc part 11, thus lubricate with cam contact circular arc part 11 and cam 2 friction position between the two.If arrange the inclination angle of suitable nozzle opening 15, make the central axis of nozzle opening 15 with tangent with cam contact circular arc part 11, the lubricant oil sprayed from nozzle opening 15 so just can be made to be directly injected to cam 2 and the friction position contacted with each other with cam contact circular arc part 11 rocker body 1, avoid lubricant oil splashes, be conducive to the consumption saving lubricant oil.
In order to improve reliability, the stability of distribution device work, can the two pieces of spacing gussets 13 be parallel to each other be set in rocker body 1 both sides, described spacing gusset 13 will cheat 14 with cam contact circular arc part 11, ball, contact circular arc part 12 with valve stem for overall, and spacing gusset 13 is integrated with between rocker body 1 connects, as shown in Figure 1, Figure 2, shown in Fig. 6, Fig. 7, Fig. 8.Adopt such structure can make distribution device operationally, the amplitude of fluctuation of hydraulic lash adjuster 5 and valve stem 4 is limited by two pieces of spacing gussets 13, can effectively prevent rocker body 1 at valve stem 4 upper end play, decrease the manufacturing procedure of valve rocker simultaneously, be conducive to reducing cost of production.
In valve rocker of the present invention with cam contact circular arc part 11, to contact circular arc part 12 and ball with valve stem and cheat 14 and all integratedly with rocker body 1 to connect, and rocker body 1, with cam contact circular arc part 11, to contact with valve stem circular arc part 12 and ball cheat 14 structure all fairly simple, to this, completely can by the production mould of design specialized by rocker body 1, to cheat 14 and contact circular arc part 12 integrated machine shaping once with valve stem with cam contact circular arc part 11, ball.For the ease of processing, valve rocker adopts low carbon steel or aluminum alloy to make, because low carbon steel or aluminum alloy have good punching press ductility and mechanical strength, therefore, low carbon steel or aluminum alloy is adopted to make above-mentioned valve rocker, just can by special production mould by direct for whole valve rocker structure integrated impact briquetting, valve rocker product is produced in batches by special production mould, not only drastically increase manufacturing efficiency, and the conformity of the valve rocker product quality that mould is produced can be ensured, stability, thus reduce the holistic cost of valve rocker product.
Due to the integrated directly machine shaping of three surface of contact valve rocker needed with hydraulic lash adjuster 5, valve stem 4 and cam 2 contact with each other, without the need to making the necessary pin-and-hole matched with needle bearing of traditional valve rocking arm, decrease manufacturing procedure, meanwhile, this assembly of needle bearing is not needed yet in valve rocker arm assembly of the present invention.Therefore, its overall structure is more simple, and the weight of valve rocker arm assembly also reduces greatly, thus reduces the rotary inertia of valve rocker, is conducive to the mechanical loss reducing motor, improves the power performance of motor; And production, the processing of valve rocker product are also more prone to, and improve the manufacturing efficiency of valve rocker product, reduce cost of production.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, it should be pointed out that all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. one kind without roller valve rocker, comprise rocker body (1), it is characterized in that: described rocker body (1) is arch structure, arrange and cam contact circular arc part (11) at the outer surface of its arch portion, two ends inside its arch portion arrange the ball coordinated with hydraulic lash adjuster ball head respectively and cheat (14) and contact circular arc part (12) with valve stem, described cheat (14) with cam contact circular arc part (11), ball and contact with valve stem that circular arc part (12) is all integrated with rocker body (1) to be connected.
2. according to claim 1 a kind of without roller valve rocker, it is characterized in that: the two pieces of spacing gussets (13) also comprising relative thirty years of age, described spacing gusset (13) will cheat (14) with cam contact circular arc part (11), ball, contact circular arc part (12) with valve stem and join for overall.
3. according to claim 2 a kind of without roller valve rocker, it is characterized in that: described spacing gusset (13) is integrated with rocker body (1) to be connected.
4. according to claim 2 a kind of without roller valve rocker, it is characterized in that: two pieces of described spacing gussets (13) are arranged in parallel.
5. the one according to any one of claim 1-4 is without roller valve rocker, it is characterized in that: in rocker body (1), offer nozzle opening (15), it is mutually through that described nozzle opening (15) and ball cheat (14).
6. according to claim 5 a kind of without roller valve rocker, it is characterized in that: the angle between the central axis of described nozzle opening (15) and horizontal plane is acute angle.
7. according to claim 5 a kind of without roller valve rocker, it is characterized in that: the central axis of described nozzle opening (15) is with tangent with cam contact circular arc part (11).
8. the one according to any one of claim 1-4, without roller valve rocker, is characterized in that: described valve rocker adopts low carbon steel or aluminum alloy to make.
9. a kind of processing method without roller valve rocker as claimed in claim 1, is characterized in that: described rocker body (1), with cam contact circular arc part (11), to cheat (14) with the ball that hydraulic lash adjuster ball head coordinates and contact circular arc part (12) with valve stem be integrated machine shaping.
10. a kind of processing method without roller valve rocker according to claim 9, is characterized in that: described rocker body (1), with cam contact circular arc part (11), to cheat (14) with the ball that hydraulic lash adjuster ball head coordinates and contact circular arc part (12) with valve stem be by mould integration impact briquetting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410668221.6A CN104481622A (en) | 2014-11-20 | 2014-11-20 | Roller-free valve rocker and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410668221.6A CN104481622A (en) | 2014-11-20 | 2014-11-20 | Roller-free valve rocker and machining method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104481622A true CN104481622A (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410668221.6A Pending CN104481622A (en) | 2014-11-20 | 2014-11-20 | Roller-free valve rocker and machining method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968739A (en) * | 2017-05-11 | 2017-07-21 | 杭州新坐标科技股份有限公司 | A kind of diesel engine roller rocking arm of lightweight high-intensity |
| CN108868934A (en) * | 2017-05-16 | 2018-11-23 | 现代自动车株式会社 | Roller finger follower |
| CN110925043A (en) * | 2019-11-28 | 2020-03-27 | 哈尔滨东安汽车动力股份有限公司 | Roller rocker arm and mechanical tappet structure for inclined engine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3002507A (en) * | 1959-02-03 | 1961-10-03 | Daimler Benz Ag | Valve control mechanism for internal combustion engines |
| US3855981A (en) * | 1973-05-15 | 1974-12-24 | Ford Motor Co | Rocker arm |
| US4738231A (en) * | 1980-03-27 | 1988-04-19 | Toledo Stamping & Manufacturing Company | One-piece rocker arm with insert |
| US5325825A (en) * | 1992-10-16 | 1994-07-05 | Ina Walzlager Schaeffler Kg | Finger lever or rocker arm for a valve actuating mechanism of an internal combustion piston engine |
| CN201517432U (en) * | 2009-09-03 | 2010-06-30 | 宜宾天工机械股份有限公司 | Roller pin bearing rocker arm of engine gas distribution mechanism |
| CN202659294U (en) * | 2012-05-28 | 2013-01-09 | 武汉东方骏驰精密制造有限公司 | U-type roller rocker arm with sunken roller bearing shaft |
| CN103477036A (en) * | 2011-10-04 | 2013-12-25 | 日锻汽门株式会社 | Rocker arm for valve train |
| CN204283526U (en) * | 2014-11-20 | 2015-04-22 | 绵阳富临精工机械股份有限公司 | A kind of without roller valve rocker |
-
2014
- 2014-11-20 CN CN201410668221.6A patent/CN104481622A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3002507A (en) * | 1959-02-03 | 1961-10-03 | Daimler Benz Ag | Valve control mechanism for internal combustion engines |
| US3855981A (en) * | 1973-05-15 | 1974-12-24 | Ford Motor Co | Rocker arm |
| US4738231A (en) * | 1980-03-27 | 1988-04-19 | Toledo Stamping & Manufacturing Company | One-piece rocker arm with insert |
| US5325825A (en) * | 1992-10-16 | 1994-07-05 | Ina Walzlager Schaeffler Kg | Finger lever or rocker arm for a valve actuating mechanism of an internal combustion piston engine |
| CN201517432U (en) * | 2009-09-03 | 2010-06-30 | 宜宾天工机械股份有限公司 | Roller pin bearing rocker arm of engine gas distribution mechanism |
| CN103477036A (en) * | 2011-10-04 | 2013-12-25 | 日锻汽门株式会社 | Rocker arm for valve train |
| CN202659294U (en) * | 2012-05-28 | 2013-01-09 | 武汉东方骏驰精密制造有限公司 | U-type roller rocker arm with sunken roller bearing shaft |
| CN204283526U (en) * | 2014-11-20 | 2015-04-22 | 绵阳富临精工机械股份有限公司 | A kind of without roller valve rocker |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968739A (en) * | 2017-05-11 | 2017-07-21 | 杭州新坐标科技股份有限公司 | A kind of diesel engine roller rocking arm of lightweight high-intensity |
| CN106968739B (en) * | 2017-05-11 | 2022-08-05 | 杭州新坐标科技股份有限公司 | Lightweight high-strength diesel engine roller rocker arm |
| CN108868934A (en) * | 2017-05-16 | 2018-11-23 | 现代自动车株式会社 | Roller finger follower |
| KR20180125784A (en) * | 2017-05-16 | 2018-11-26 | 현대자동차주식회사 | A roller finger follower |
| KR102335345B1 (en) | 2017-05-16 | 2021-12-03 | 현대자동차 주식회사 | A roller finger follower |
| CN110925043A (en) * | 2019-11-28 | 2020-03-27 | 哈尔滨东安汽车动力股份有限公司 | Roller rocker arm and mechanical tappet structure for inclined engine |
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Application publication date: 20150401 |
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