CN101900005A - Smart camshaft phase regulator of variable valve timing system of engine - Google Patents
Smart camshaft phase regulator of variable valve timing system of engine Download PDFInfo
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- CN101900005A CN101900005A CN 201010212448 CN201010212448A CN101900005A CN 101900005 A CN101900005 A CN 101900005A CN 201010212448 CN201010212448 CN 201010212448 CN 201010212448 A CN201010212448 A CN 201010212448A CN 101900005 A CN101900005 A CN 101900005A
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Abstract
The invention relates to a smart camshaft phase regulator of a variable valve timing system of an engine, in particular to a smart camshaft phase regulator capable of greatly shortening the axial size, which aims to solve the problems that the front end of the engine is difficult to arrange due to the overlarge axial size of a traditional product. The invention has compact and simple structure, small axial size, high response speed and great output torque. The invention adopts the technical scheme that the smart camshaft phase regulator of the variable valve timing system of the engine comprises a plug, a sealing gasket, a front end cover, a rear end cover, a hollow shell, a rotor and a return spring and is characterized in that the plug and the sealing gasket are connected with the front end cover together, the front end cover and the rear end cover are respectively connected with the shell which is hollow inside, the rotor is arranged in the shell, the front end cover is dented inwards to form a radial groove, one side of the rotor, which is close to the front end cover, is dented inwards to form a groove, and the return spring is arranged in a hollow cavity formed by the radial groove and the groove. The invention is mainly applied to the camshaft phase regulator of the engine.
Description
Technical field
The present invention relates to the camshaft conenser in the engine timing system, particularly relate to a kind of smart camshaft phase regulator that axial dimension significantly can be shortened.
Technical background
Variable Valve Time wide model on the new automobile motor is used, and it can promote engine power, moment of torsion, reduces oil consumption and exhaust emissions.The camshaft of conventional engines and timing gear, connection between the bent axle is fixed, be that port timing is fixed, Variable Valve Time can make valve opening, and crank angle is adjustable within the specific limits relatively constantly, port timing is optimized, reach the lifting engine power, moment of torsion, reduce the purpose of oil consumption and exhaust emissions, the camshaft conenser is the critical component of Variable Valve Time, its function is to form the flexible connection that can rotate in several angle between camshaft and timing gear, and pass through engine controller, OCV Oil Control Valve, its dynamic corner of sensor closed loop control is realized intelligence adjusting port timing.Conventional cam shaft conenser complex structure, timing gear, oil pocket, rotor and spring etc. all are independent design and being connected respectively, and axial dimension is bigger, arrange for the front end of motor and bring very big difficulty.
Summary of the invention
It is excessive and make the problem of motor head difficult arrangement to the objective of the invention is to solve the existing product axial dimension, a kind of smart camshaft phase regulator of variable valve timing system of engine is provided, its compact structure, simple, axial dimension is little, return spring becomes " anti-waist drum " type, speed of response is fast, and output torque is big.
For achieving the above object, the technical solution used in the present invention is: smart camshaft phase regulator of variable valve timing system of engine, comprise screw plug, sealing gasket, front cover, rear end cover, hollow housing, rotor and return spring, it is characterized in that screw plug is connected with front cover with sealing gasket, front cover is connected with housing respectively with rear end cover, enclosure interior hollow, rotor places in the housing, indent forms a radial groove on the front cover, one middle side part indent of the forward end cap of rotor forms a groove, and return spring places in the cavity of radial groove and groove formation.
Described return spring is anti-waist drum type, and the diameter of its two ends circle is greater than the diameter of mesosphere.
The two ends of return spring are bent to form two kinks, and kink places the depression position of offering in radial groove and the groove to be used for return spring is carried out fixed-site respectively.
Housing comprise muscle inwardly outstanding on gear on the outer wall and the inwall every, rotor comprises the disc structure at middle part and lug boss all around, muscle contacts with the cylindrical of disc structure every the top, the lug boss outer contacts with inner walls, muscle every, lug boss, inner walls, the disc structure cylindrical is divided into enclosure interior a plurality of cavitys together, rotor can slightly rotate in housing, cavity is divided into two kinds of cavity A and cavity B, its hollow cavity A is communicated with groove by the oil groove that is opened on the disc structure cylindrical, camshaft is connected on the disc structure of rotor by hollow bolt, the hollow bolt hollow space is communicated with cavity B by the oilhole that is opened in disc structure inside, camshaft is provided with oil duct, and L type passage and oil groove that oil duct is offered by bottom portion of groove are communicated with cavity A.
From the feature of the invention described above as can be seen, its advantage is: the common cavity that holds return spring that forms of the radial groove of front cover and epitrochanterian groove has reduced the axial dimension of conenser; Housing holds gear and oil pocket and is one, and compact structure has also reduced the axial dimension of conenser; The return spring two ends are big, and the middle part is little, become " anti-waist drum " type, and after the installation, the cavity wall of the circle that the two ends diameter is bigger and the cavity wall of front cover and rotor has only less clearance, plays positioning action; The less circle in middle part does not contact with the rotor cavity wall with front cover, not friction, and speed of response is fast, and loss of machine of torque is little; Middle form big space, and do not contact between each circle of return spring, big gap is arranged, prevent from the epitrochanterian oil groove of crossing is crossed oil and produced obstruction than ringlet and rotor cavity wall; Front cover and epitrochanterian depression position are used to limit the rotation of two kinks on the return spring; Epitrochanterian L type oil duct has solved conenser and back hollow bolt upper flange plate has been installed to the oily excessively obstruction of oil duct.
Description of drawings
The present invention will illustrate by way of compared with accompanying drawings and combined with example:
Fig. 1 is an assembling schematic representation of the present invention
Fig. 2 is the cross-sectional schematic that the present invention is connected with camshaft
Fig. 3 is a front cover structural representation of the present invention
Fig. 4 is a return spring structural representation of the present invention
Fig. 5 is the structural representation of housing of the present invention
Fig. 6 is the structural representation of rotor of the present invention
Fig. 7 is the structure sectional view of rotor of the present invention
Fig. 8 is rotor of the present invention each several part position view when clockwise rotating
Fig. 9 is rotor of the present invention each several part position view when rotating counterclockwise
Wherein reference character 1 is that screw plug 2 is that sealing gasket 3 is front covers
The 4th, rear end cover 5 is that housing 6 is that rotor 7 is return springs
The 8th, radial groove 9 is that groove 10 is that two ends circle 11 is mesospheres
The 12nd, kink 13 be depression position 14 be gear 15 are muscle every
The 16th, disc structure 17 is that lug boss 18 is that cavity A 19 is cavity B
The 20th, oil groove 21 is that camshaft 22 is that hollow bolt 23 is oilholes
The 24th, oil duct 25 is L type passages
Embodiment
The present invention is described further by embodiment below in conjunction with accompanying drawing:
Preferred embodiment
As Fig. 1-smart camshaft phase regulator of variable valve timing system of engine shown in Figure 9, comprise screw plug 1, sealing gasket 2, front cover 3, rear end cover 4, hollow housing 5, rotor 6 and return spring 7, screw plug 1 is connected with front cover 3 with sealing gasket 2, front cover 3 is connected with housing 5 respectively with rear end cover 4, housing 5 inner hollow, rotor 6 places in the housing 5, indent forms a radial groove 8 on the front cover 3, one middle side part indent of rotor 6 forward end caps 3 forms a groove 9, and return spring 7 places in the cavity of radial groove 8 and groove 9 formation.Structure of the present invention is organically integrated rotor 6 and oil pocket and housing 5 and return spring 7, and structure is compact and reasonable more, has significantly shortened the axial dimension of product.
In such scheme, we are designed to anti-waist drum type with described return spring 7, and the diameter of its two ends circle 10 is greater than the diameter of mesosphere 11; The two ends of return spring 7 are bent to form two kinks 12, and kink 12 places the depression position of offering in radial groove 8 and the groove 9 13 to be used for return spring 7 is carried out fixed-site respectively; Housing 5 comprises that muscle inwardly outstanding on gear 14 on the outer wall and the inwall is every 15, rotor 6 comprises the disc structure 16 and the lug boss all around 17 at middle part, cylindrical with disc structure 16 contacts muscle every 15 tops, lug boss 17 outers contact with housing 5 inwalls, muscle is every 15, lug boss 17, housing 5 inwalls, disc structure 16 cylindricals are divided into a plurality of cavitys with housing 5 inside together, rotor 6 can slightly rotate in housing 5, cavity is divided into two kinds of cavity A18 and cavity B19, its hollow cavity A18 is communicated with groove 9 by the oil groove 20 that is opened on disc structure 16 cylindricals, camshaft 21 is connected on the disc structure 16 of rotor 6 by hollow bolt 22, hollow bolt 22 hollow spaces are communicated with cavity B19 by the oilhole 23 that is opened in disc structure 16 inside, camshaft 21 is provided with oil duct 24, and L type passage 25 and oil groove 20 that oil duct 24 is offered by groove 9 bottoms are communicated with cavity A18.
That is to say that return spring 7 two ends are big, middle little, after the installation, two ends circle 10 has only less clearance with radial groove 8 walls of front cover 3 and groove 9 walls of rotor, play positioning action, mesosphere 11 does not contact with rotor 6 grooves 9 walls with front cover 3 radial grooves 8 walls, not friction, speed of response is fast, loss of machine of torque is little, mesosphere 11 forms big space with rotor 6 grooves 9 walls, and do not contact between return spring 7 each circle, have, prevent that rotor 6 finishing bathtray 20 are crossed oil produces obstruction than big gap, depression position 13 in the depression position 13 on front cover 3 radial grooves 8 and the groove 9 of rotor 6 front ends is used to limit the rotation of two kinks 12 on the return spring 7, and the L type oil duct 25 on the rotor 6 has solved conenser and back hollow bolt 22 upper flange plates has been installed to the oily excessively obstruction of oil duct 24.
Disclosed all features in this specification except mutually exclusive feature, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
Claims (4)
1. smart camshaft phase regulator of variable valve timing system of engine, comprise screw plug (1), sealing gasket (2), front cover (3), rear end cover (4), hollow housing (5), rotor (6) and return spring (7), it is characterized in that screw plug (1) is connected with front cover (3) with sealing gasket (2), front cover (3) is connected with housing (5) respectively with rear end cover (4), housing (5) inner hollow, rotor (6) places in the housing (5), front cover (3) is gone up indent and is formed a radial groove (8), one middle side part indent of the forward end cap of rotor (6) (3) forms a groove (9), and return spring (7) places in the cavity of radial groove (8) and groove (9) formation.
2. smart camshaft phase regulator of variable valve timing system of engine according to claim 1 is characterized in that described return spring (7) is anti-waist drum type, and the diameter of its two ends circles (10) is greater than the diameter of mesosphere (11).
3. according to claim 1 or 2 described smart camshaft phase regulator of variable valve timing system of engine, the two ends that it is characterized in that return spring (7) are bent to form two kinks (12), and kink (12) places the depression position of offering in radial groove (8) and the groove (9) (13) to be used for return spring (7) is carried out fixed-site respectively.
4. according to the described smart camshaft phase regulator of variable valve timing system of engine of claim 3, it is characterized in that housing (5) comprises that muscle inwardly outstanding on gear (14) on the outer wall and the inwall is every (15), rotor (6) comprises the disc structure (16) and the lug boss all around (17) at middle part, cylindrical with disc structure (16) contacts muscle every (15) top, lug boss (17) outer contacts with housing (5) inwall, muscle is every (15), lug boss (17), housing (5) inwall, disc structure (16) cylindrical is divided into a plurality of cavitys with housing (5) inside together, rotor (6) can slightly rotate in housing (5), cavity is divided into (19) two kinds of cavity A (18) and cavity B, its hollow cavity A (18) is communicated with groove (9) by the oil groove (20) that is opened on disc structure (16) cylindrical, camshaft (21) is connected on the disc structure (16) of rotor (6) by hollow bolt (22), hollow bolt (22) hollow space is communicated with cavity B (19) by being opened in the inner oilhole (23) of disc structure (16), camshaft (21) is provided with oil duct (24), and L type passage (25) and oil groove (20) that oil duct (24) is offered by groove (9) bottom are communicated with cavity A (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010212448 CN101900005B (en) | 2010-06-29 | 2010-06-29 | Smart camshaft phase regulator of variable valve timing system of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010212448 CN101900005B (en) | 2010-06-29 | 2010-06-29 | Smart camshaft phase regulator of variable valve timing system of engine |
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| Publication Number | Publication Date |
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| CN101900005A true CN101900005A (en) | 2010-12-01 |
| CN101900005B CN101900005B (en) | 2011-10-26 |
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| CN 201010212448 Active CN101900005B (en) | 2010-06-29 | 2010-06-29 | Smart camshaft phase regulator of variable valve timing system of engine |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606250A (en) * | 2011-04-15 | 2012-07-25 | 绵阳富临精工机械股份有限公司 | Cam shaft penetrating type phase regulator |
| CN103016090A (en) * | 2012-12-24 | 2013-04-03 | 绵阳新晨动力机械有限公司 | Phase regulator of variable camshaft of engine |
| CN103590869A (en) * | 2012-08-14 | 2014-02-19 | 日立汽车系统株式会社 | Valve timing control apparatus of internal combustion engine |
| CN104179542A (en) * | 2013-05-24 | 2014-12-03 | 谢夫勒科技股份两合公司 | Cam shaft phase adjuster, rotor and changeable cam timing system thereof |
| CN104271900A (en) * | 2012-05-01 | 2015-01-07 | 帝斯曼知识产权资产管理有限公司 | Rotor for variable valve timing system and VVT system comprising the rotor |
| CN104812996A (en) * | 2012-07-06 | 2015-07-29 | 舍弗勒技术股份两合公司 | Hydraulic camshaft adjuster with centre locking and adjustable locking play |
| CN105917085A (en) * | 2014-01-16 | 2016-08-31 | 德尔福技术有限公司 | Camshaft phaser actuated by an electric motor |
| CN107208505A (en) * | 2015-02-20 | 2017-09-26 | 舍弗勒技术股份两合公司 | Camshaft phase converter |
| CN103375215B (en) * | 2012-04-20 | 2017-10-13 | 舍弗勒技术股份两合公司 | The spring suspension of hydraulic camshaft adjuster |
| US9938863B2 (en) | 2012-12-25 | 2018-04-10 | Schaeffler Technologies AG & Co. KG | Camshaft phaser having central bolt |
| WO2019113830A1 (en) * | 2017-12-13 | 2019-06-20 | 舍弗勒技术股份两合公司 | Camshaft phaser and assembly method therefor |
| CN111734511A (en) * | 2019-03-25 | 2020-10-02 | 舍弗勒技术股份两合公司 | Sealing cover and camshaft phase adjuster |
| DE102013212942C5 (en) * | 2013-07-03 | 2021-04-22 | Schaeffler Technologies AG & Co. KG | Fluid supply, such as an oil supply, for a central valve system for a dry belt drive |
| WO2021093379A1 (en) * | 2019-11-14 | 2021-05-20 | 舍弗勒技术股份两合公司 | Rotor for camshaft phase modulator and camshaft phase modulator |
| WO2023168566A1 (en) * | 2022-03-07 | 2023-09-14 | 舍弗勒技术股份两合公司 | Cam phase regulator assembly |
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| US5724928A (en) * | 1995-12-28 | 1998-03-10 | Denso Corporation | Valve timing adjustment device for internal combustion engine |
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| US7165521B2 (en) * | 2002-12-24 | 2007-01-23 | Aisin Seiki Kabushiki Kaisha | Variable valve timing control device |
| CN201705406U (en) * | 2010-06-29 | 2011-01-12 | 绵阳富临精工机械有限公司 | Camshaft intelligent phase modulator of engine variable valve timing system |
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2010
- 2010-06-29 CN CN 201010212448 patent/CN101900005B/en active Active
Patent Citations (5)
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| US5724928A (en) * | 1995-12-28 | 1998-03-10 | Denso Corporation | Valve timing adjustment device for internal combustion engine |
| US7165521B2 (en) * | 2002-12-24 | 2007-01-23 | Aisin Seiki Kabushiki Kaisha | Variable valve timing control device |
| CN1573029A (en) * | 2003-06-13 | 2005-02-02 | 爱信精机株式会社 | Variable valve timing control device |
| CN1886577A (en) * | 2003-12-22 | 2006-12-27 | 爱信精机株式会社 | Valve opening/closing timing control device |
| CN201705406U (en) * | 2010-06-29 | 2011-01-12 | 绵阳富临精工机械有限公司 | Camshaft intelligent phase modulator of engine variable valve timing system |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606250A (en) * | 2011-04-15 | 2012-07-25 | 绵阳富临精工机械股份有限公司 | Cam shaft penetrating type phase regulator |
| CN103375215B (en) * | 2012-04-20 | 2017-10-13 | 舍弗勒技术股份两合公司 | The spring suspension of hydraulic camshaft adjuster |
| CN104271900B (en) * | 2012-05-01 | 2018-11-09 | 帝斯曼知识产权资产管理有限公司 | Rotor for variable valve timing system and the VVT systems including the rotor |
| CN104271900A (en) * | 2012-05-01 | 2015-01-07 | 帝斯曼知识产权资产管理有限公司 | Rotor for variable valve timing system and VVT system comprising the rotor |
| CN104812996A (en) * | 2012-07-06 | 2015-07-29 | 舍弗勒技术股份两合公司 | Hydraulic camshaft adjuster with centre locking and adjustable locking play |
| CN103590869A (en) * | 2012-08-14 | 2014-02-19 | 日立汽车系统株式会社 | Valve timing control apparatus of internal combustion engine |
| CN103016090A (en) * | 2012-12-24 | 2013-04-03 | 绵阳新晨动力机械有限公司 | Phase regulator of variable camshaft of engine |
| US9938863B2 (en) | 2012-12-25 | 2018-04-10 | Schaeffler Technologies AG & Co. KG | Camshaft phaser having central bolt |
| CN104179542B (en) * | 2013-05-24 | 2018-08-21 | 舍弗勒技术股份两合公司 | Camshaft phase adjuster and its rotor and variable cam timing system |
| CN104179542A (en) * | 2013-05-24 | 2014-12-03 | 谢夫勒科技股份两合公司 | Cam shaft phase adjuster, rotor and changeable cam timing system thereof |
| DE102014209785B4 (en) * | 2013-05-24 | 2020-07-16 | Schaeffler Technologies AG & Co. KG | Camshaft phasing device and its rotor, and a variable camshaft timing system |
| DE102013212942C5 (en) * | 2013-07-03 | 2021-04-22 | Schaeffler Technologies AG & Co. KG | Fluid supply, such as an oil supply, for a central valve system for a dry belt drive |
| CN105917085A (en) * | 2014-01-16 | 2016-08-31 | 德尔福技术有限公司 | Camshaft phaser actuated by an electric motor |
| CN105917085B (en) * | 2014-01-16 | 2018-11-09 | 德尔福技术有限公司 | By the camshaft phaser of motor activated |
| CN107208505A (en) * | 2015-02-20 | 2017-09-26 | 舍弗勒技术股份两合公司 | Camshaft phase converter |
| CN107208505B (en) * | 2015-02-20 | 2019-11-12 | 舍弗勒技术股份两合公司 | Camshaft phase converter |
| WO2019113830A1 (en) * | 2017-12-13 | 2019-06-20 | 舍弗勒技术股份两合公司 | Camshaft phaser and assembly method therefor |
| CN111734511A (en) * | 2019-03-25 | 2020-10-02 | 舍弗勒技术股份两合公司 | Sealing cover and camshaft phase adjuster |
| CN111734511B (en) * | 2019-03-25 | 2024-06-04 | 舍弗勒投资(中国)有限公司 | Sealing cover and camshaft phase adjuster |
| WO2021093379A1 (en) * | 2019-11-14 | 2021-05-20 | 舍弗勒技术股份两合公司 | Rotor for camshaft phase modulator and camshaft phase modulator |
| WO2023168566A1 (en) * | 2022-03-07 | 2023-09-14 | 舍弗勒技术股份两合公司 | Cam phase regulator assembly |
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| CN101900005B (en) | 2011-10-26 |
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