CN109899126A - A kind of engine and vehicle - Google Patents
A kind of engine and vehicle Download PDFInfo
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- CN109899126A CN109899126A CN201711309997.9A CN201711309997A CN109899126A CN 109899126 A CN109899126 A CN 109899126A CN 201711309997 A CN201711309997 A CN 201711309997A CN 109899126 A CN109899126 A CN 109899126A
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Abstract
The invention discloses a kind of engines, including camshaft, front cover, VVT controller, OCV control valve is installed on front cover, the oil circuit for being respectively communicated with OCV control valve and hydraulic power source is provided in front cover, OCV control valve and VVT controller oil communication, position corresponding to the installation site of OCV control valve and the front end of camshaft on front cover is in different height.OCV valve is installed on front cover by the design, is designed by interior oil circuit by OCV valve and VVT controller and hydraulic communication；The structure reduces camshaft perimetric length, improve the stability of VVT system, it no longer needs to weld VVT controller and camshaft front end using welding, but and using the connection for design realization the VVT controller and camshaft for being packed into positioning component, which is easier to improve the alignment of assembly, shortens engine axial length and is easy to entire vehicle design.The invention also discloses a kind of vehicles.
Description
Technical field
The present invention relates to vehicle arrangement technical fields to further relate to a kind of vehicle more specifically to a kind of engine.
Background technique
Currently, VVT (variable valve timing) technology has been used widely in engine art, principle is basis
The operating condition of engine, the amount and valve for adjusting air inlet (exhaust) open and close the time, and angle reaches the air capacity entered most
It is good, efficiency of combustion is improved, its advantage is that fuel-efficient, function is risen than big.
It is generally positioned in cylinder cap front end or the cover using the engine oil path of VVT, the disadvantage is that oil circuit is complicated.
VVL (lift range variable) technology also has more application within the engine, and the arrangement meeting of VVL is so that engine arrangement is more stepped up
It gathers.However when VVT and VVL are applied to engine simultaneously, allow for that integral arrangement is extremely complex, and has in certain structure
Defect, concrete reason is as follows:
The OCV valve (OCV Oil Control Valve of inlet valve timing) in system is generally assemblied in camshaft in prior art
Front end, to cooperate the design that generally VVT and camshaft are welded as a whole.Due to this design functor concentrated on it is convex
Wheel shaft one end, and need to guarantee by being welded and fixed the stability of structure connection, therefore the problem of being easy to appear is:
The excessive axial direction for directly resulting in engine of camshaft axial length takes up space greatly, is unfavorable for entire vehicle design；
Secondly because VVT part is welded and fixed with camshaft, it is possible to occur due to cam shaft distortion or dress caused by welding
Coordination is inaccurate, and is not easy to open and inspect and reassemble.
In conclusion it is multiple how to efficiently solve the existing engine internal control liquefaction road using variable valve timing technology
It is miscellaneous, and engine axial dimension is big, is unfavorable for the technical problem of entire vehicle design etc., is that current those skilled in the art are badly in need of solving
The problem of.
Summary of the invention
In view of this, the first purpose of this invention is to provide a kind of engine, the structure design of the engine can be with
It is complicated to efficiently solve the existing engine internal control liquefaction road using variable valve timing technology, and engine axial dimension is big,
It is unfavorable for the technical problem of entire vehicle design etc., a second object of the present invention is to provide a kind of vehicles including above-mentioned engine.
In order to reach above-mentioned first purpose, the invention provides the following technical scheme:
A kind of engine, including camshaft, front cover, VVT controller are equipped with OCV control valve, institute on the front cover
The oil circuit for being provided in front cover and being respectively communicated with the OCV control valve and hydraulic power source is stated, the OCV control valve and the VVT are controlled
Device oil communication processed, position corresponding to the installation site of OCV control valve and the front end of camshaft on the front cover is in difference
Highly.
Preferably, in above-mentioned engine, the engine further includes bearing block assembly, and the VVT controller passes through at it
Center is packed into the adapter installation coaxial with the middle section of the camshaft and fixes, and the bearing block assembly is provided with positioned at described
VVT controller front end, for the mounting structures of adapter described in support.
Preferably, in above-mentioned engine, the adapter and the VVT controller side view male-female engagement；It is described suitable
Orchestration is internally provided with internal oil passages, is connected to the VVT controller and the bearing block assembly by the internal oil passages；It is described
It is also equipped in bearing block assembly between adapter and the OCV control valve, the oil circuit for being connected to the two.
Preferably, in above-mentioned engine, the adapter further includes centre bolt, the shaft end center setting of the camshaft
There is a mounting hole, the center of the center of the adapter and the VVT controller is provided with central mounting hole, passes through
The centre bolt cooperates the mounting hole and central mounting hole, and the adapter and VVT controller and the camshaft is same
Axis is fixed.
Preferably, in above-mentioned engine, the bearing block assembly includes the bearing seat of honour and bearing base, and the two cooperates
Position be provided with assembly semicircle orifice, by the semicircle orifice of the two be butted into assembly position, for being packed into and supporting the cam
Axis.
Preferably, in above-mentioned engine, the bearing seat of honour and bearing base pass through the interface loading perpendicular to the two
Fixing bolt docking is fixed.
Preferably, in above-mentioned engine, it is fixed that the both ends of the respective interface of the bearing seat of honour and bearing base are provided with
Position hole, the positioning hole interference fit are incorporated with positioning pin, pass through the docking location of both positioning finger settings.
Preferably, in above-mentioned engine, the engine further includes engine cylinder cover, and the bearing base is bonded the hair
Motivation cylinder cap side, vertical binding face are fixed by being packed into bolt installation.
Preferably, in above-mentioned engine, the engine cylinder cover is provided with the position that the bearing base docks and is connected to
Oil communication in the high pressure oil hole of hydraulic power source, the high pressure oil hole and the bearing base.
Engine provided by the invention, including camshaft, front cover, VVT controller are equipped with OCV on the front cover
Control valve, is provided with the oil circuit for being respectively communicated with the OCV control valve and hydraulic power source in the front cover, the OCV control valve with
The VVT controller oil communication, position corresponding to the installation site of OCV control valve and the front end of camshaft on the front cover
It sets in different height.System hydraulic oil is introduced OCV control valve from preceding the cover by front cover oil circuit by the design, further according to starting
The specific operating condition of machine is distributed, the corresponding different control chambers that hydraulic oil is introduced to VVT controller, realizes corresponding valve control effect
Fruit；
Since OCV control valve is installed on front cover, and pass through the connection design of oil circuit in front cover and bearing block assembly
By OCV control valve and VVT controller and hydraulic communication；This arrangement simplifies the designs of the oil circuit of VVT, real by oil circuit in front cover
The design of oil circuit caused by when showing the connection of oil circuit, and VVT and VVL being avoided to be applied to engine simultaneously is complicated；And since OCV is controlled
The front end of installation site and camshaft of the valve processed on front cover is prevented in different height due to also will in the prior art
VVT controller is set to the front end of camshaft, causes the camshaft location perimetric length of engine excessive, improves engine and set
The compact of meter, while also improving the stability of VVT system efficiently solves existing using variable valve timing technology
Engine internal control liquefaction road is complicated, and engine axial dimension is big, is unfavorable for the technical problem of entire vehicle design etc..
In order to reach above-mentioned second purpose, the present invention also provides a kind of vehicle, which includes any of the above-described kind of hair
Motivation.Since above-mentioned engine has above-mentioned technique effect, the vehicle with the engine should also have corresponding technology to imitate
Fruit.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is that the part section of engine provided in an embodiment of the present invention regards structural schematic diagram；
Fig. 2 is the partial elevational structural schematic diagram of engine interior provided in an embodiment of the present invention；
It is marked in attached drawing as follows:
VVT controller 1, the bearing seat of honour 2, front cover 3, adapter 4, centre bolt 5, sealing ring 6, OCV control valve 7, spiral shell
Bolt 8, bearing base 9, camshaft 11, engine cylinder cover 12, oil circuit 13, high pressure oil hole 17, fixing bolt 18, positioning pin 19.
Specific embodiment
The embodiment of the invention discloses a kind of engines, to solve in the existing engine using variable valve timing technology
It is complicated to control oil circuit, and engine axial dimension is big, is unfavorable for the technical problem of entire vehicle design etc..
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1, Fig. 2 are please referred to, Fig. 1 is that the part section of engine provided in an embodiment of the present invention regards structural schematic diagram；Fig. 2
For the partial elevational structural schematic diagram of engine interior provided in an embodiment of the present invention.
The engine that the embodiment of the present invention provides, including camshaft 11, front cover 3, VVT controller 1, the front cover
OCV control valve 7 is installed on 3, is provided with the oil circuit for being respectively communicated with the OCV control valve 7 and hydraulic power source in the front cover 3,
The OCV control valve 7 and 1 oil communication of VVT controller, the installation site of the OCV control valve 7 on the front cover 3 with
Position corresponding to the front end of camshaft 11 is in different height.
System hydraulic oil is introduced OCV control valve from preceding the cover by front cover oil circuit by the design, further according to engine
Specific operating condition distribution, the corresponding different control chambers that hydraulic oil is introduced to VVT controller realize corresponding valve control effect；
Wherein OCV control valve 7 is connected with the first control chamber of VVT controller 1 and the second control chamber respectively by two different oil circuits 13
It is logical.First control chamber and the second control chamber belong to the conventional design of VVT, and the A/B chamber of referred to as VVT, according to the tool of engine
Body operating condition distribution, the corresponding different control chambers that hydraulic oil is introduced to VVT controller, realizes corresponding valve control effect.
Since OCV control valve is installed on front cover, and pass through the connection design of oil circuit in front cover and bearing block assembly
By OCV control valve and VVT controller and hydraulic communication；This arrangement simplifies the designs of the oil circuit of VVT, real by oil circuit in front cover
The design of oil circuit caused by when showing the connection of oil circuit, and VVT and VVL being avoided to be applied to engine simultaneously is complicated；And since OCV is controlled
The front end of installation site and camshaft of the valve processed on front cover is prevented in different height due to also will in the prior art
VVT controller is set to the front end of camshaft, causes the camshaft location perimetric length of engine excessive, improves engine and set
The compact of meter, while also improving the stability of VVT system efficiently solves existing using variable valve timing technology
Engine internal control liquefaction road is complicated, and engine axial dimension is big, is unfavorable for the technical problem of entire vehicle design etc..
On that basi of the above embodiments, the set-up mode to advanced optimize VVT controller: the engine further includes axis
Holder assembly is held, the VVT controller is solid with the coaxial installation in the middle section of the camshaft 11 by being packed into adapter 4 in its center
Fixed, the bearing block assembly is provided with positioned at 1 front end of VVT controller, for the mounting structures of adapter 4 described in support.
It no longer needs to weld VVT controller and camshaft front end using welding in technical solution provided in this embodiment,
But and fixed using the adapter installation coaxial with the middle section of camshaft, design realize VVT controller and camshaft
Connection, designs compared with the existing technology, the inside cam shaft of VVT controller is internally translated, the axial direction of camshaft is reduced
Length improves the design of bearing block assembly, has effectively support to adapter by the mounting structures of front end, to undertake VVT
Controller and the increased camshaft weight of adapter ensure that the firm and high-axiality of camshaft assembly system, it is easier to mention
The alignment of height assembly, and be easy to open and inspect maintenance and reassemble.
To optimize the design in above-described embodiment between VVT and OCV control valve, the adapter 4 and the VVT controller
1 side view male-female engagement；The adapter 4 is internally provided with internal oil passages, is connected to the VVT by the internal oil passages and controls
Device 1 processed and the bearing block assembly；Be also equipped in the bearing block assembly positioned at adapter 4 and the OCV control valve 7 it
Between, the oil circuit for both being connected to.
In technical solution provided in this embodiment, it is further provided with adapter, adapter inner is also provided with oil circuit, mainly
Oil circuit being connected to from fixed pedestal and the VVT controller of rotation for convenience, VVT controller side structure also include with it is convex
The structure of axle sleeve holding position simplifies the circumferentially fixed of the two by the male-female engagement of the two.
It is on the basis of the above embodiments preferably, described in above-mentioned engine to advanced optimize above-mentioned technical proposal
Adapter 4 further includes centre bolt 5, and the shaft end of the camshaft 11 is provided centrally with mounting hole, the centre bit of the adapter 4
It sets and the center of the VVT controller 1 is provided with central mounting hole, the installation is cooperated by the centre bolt 5
Hole and central mounting hole, the adapter 4 and VVT controller 1 and the camshaft 11 is coaxial fixed.
In technical solution provided in this embodiment, adapter and VVT are coaxially assembled by centre bolt, effectively guaranteed
The concentricity of the two and camshaft, from the front loaded realization installation of camshaft, assembly is simple, and the assembly of three easy to form is whole
Body is equivalent to and simplifies installation step.
It is on the basis of the above embodiments preferably, described in above-mentioned engine to advanced optimize above-mentioned technical proposal
The position that oil circuit 13 in bearing block assembly is docked with oil circuit 13 in the front cover 3 is provided with sealing ring 6, passes through the sealing
The compression fit for enclosing 6 positions seals oil circuit 13.
In technical solution provided in this embodiment, in order to guarantee the sealing between bearing block assembly and front cover, in the two
The structure of interconnected oil circuit position setting sealing ring, guarantees leakproofness with this, to guarantee the pressure maintaining performance of hydraulic system, protects
The smooth degree of system work is demonstrate,proved.
For the trim designs for being further simplified above-mentioned technical proposal convexity axle end, on the basis of the above embodiments preferably
, in above-mentioned engine, the bearing block assembly includes the bearing seat of honour 2 and bearing base 9, and the mutually matched position of the two is all provided with
It is equipped with assembly semicircle orifice, assembly position is butted into, for being packed into and supporting the camshaft 11 by the semicircle orifice of the two.
In technical solution provided in this embodiment, the design of bearing block assembly is advanced optimized, bearing block assembly is seperated
Setting, including the bearing seat of honour and bearing base, the position setting of the two docking cooperate and can constitute complete circle pilot hole
Assembly semicircle orifice, the assembly position of camshaft is made up of the docking of the two, existing connection oil circuit is by docking position in the two
The oil circuit interface set guarantees connection.
For the mutual installation of split type bearing block assembly in optimization above-mentioned technical proposal, on the basis of the above embodiments
Preferably, in above-mentioned engine, the bearing seat of honour 2 and bearing base 9 are packed into fixed spiral shell by the interface perpendicular to the two
The docking of bolt 18 is fixed.
Docking to advanced optimize above-mentioned technical proposal bearing block assembly it is accurate and later reassemble performance, above-mentioned
Preferred on the basis of embodiment, in above-mentioned engine, the both ends of the bearing seat of honour 2 and the respective interface of bearing base 9 are equal
It is provided with location hole, the positioning hole interference fit is incorporated with positioning pin 19, passes through pair of both the positioning pin 19 positioning
Connect position.
In technical solution provided in this embodiment, rough process and assemble scheme is: the bearing seat of honour passes through with bearing base
After fixing bolt connection, fit machining cam axis fixation hole and positioning pin mounting hole.The bearing seat of honour and bearing base assembly, positioning
Pin is with a degree of interference fit with both of which, it is ensured that minimum is influenced on the change in size of camshaft installation site,
It is on the basis of the above embodiments preferably, described in above-mentioned engine to advanced optimize above-mentioned technical proposal
Engine further includes engine cylinder cover 12, and the bearing base 9 is bonded 12 side of engine cylinder cover, and vertical binding face passes through
The installation of bolt 8 is packed into fix.
In technical solution provided in this embodiment, preferred design is on this basis, to be arranged on the binding face of the two
Multiple uniformly distributed bolts, it is ensured that face paste is closed and installed and is secured accurate.
It is designed to advanced optimize the oil circuit of system entirety in above-mentioned technical proposal, on the basis of the above embodiments preferably
, the engine cylinder cover 12 is provided with the high pressure oil hole 17 for being connected to hydraulic power source with the position that the bearing base 9 docks, described
High pressure oil hole 17 is connected to the oil circuit 13 in the bearing base 9.
In technical solution provided in this embodiment, engine cylinder covers the high pressure oil hole for being provided with connection hydraulic power source and corresponding
Oil circuit, closed and fixed by the face paste of cylinder cap and bearing base, both guaranteed that the oilhole docking on mounting surface is accurate, enable hydraulic oil
It can enter VVT controller via the cylinder cap of engine eventually by OCV control valve into bearing base and realize the variable of valve
Timing control.
The engine provided in based on the above embodiment, the present invention also provides a kind of vehicle, which includes above-mentioned reality
Apply any one engine in example.Since the vehicle uses the engine in above-described embodiment, so the beneficial effect of the vehicle
Fruit please refers to above-described embodiment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of engine, including camshaft, front cover (3), VVT controller (1), which is characterized in that on the front cover (3)
It is equipped with OCV control valve (7), is provided with the oil for being respectively communicated with OCV control valve (7) and hydraulic power source in the front cover (3)
Road (13), the OCV control valve (7) and VVT controller (1) oil communication, the OCV control valve on the front cover (3)
Installation site and camshaft front end corresponding to position in different height.
2. engine according to claim 1, which is characterized in that the engine further includes bearing block assembly, the VVT
Controller (1) is fixed by being packed into adapter (4) installation coaxial with the middle section of the camshaft (11) in its center, the axis
Holder assembly is held to be provided with positioned at VVT controller (1) front end, for the mounting structures of adapter (4) described in support.
3. engine according to claim 1, which is characterized in that the adapter (4) and VVT controller (1) side
Face shape male-female engagement；The adapter (4) is internally provided with internal oil passages, is connected to the VVT by the internal oil passages and controls
Device (1) processed and the bearing block assembly；It is also equipped in the bearing block assembly positioned at adapter (4) and the OCV control valve
(7) oil circuit (13) between, for being connected to the two.
4. engine according to claim 3, which is characterized in that the adapter (4) further includes centre bolt (5), institute
The shaft end for stating camshaft (11) is provided centrally with mounting hole, the center of the adapter (4) and the VVT controller (1)
Center be provided with central mounting hole, pass through the centre bolt (5) and cooperate the mounting hole and central mounting hole, will
The adapter (4) and VVT controller (1) and the camshaft (11) are coaxial fixed.
5. according to right want 2,3 or 4 described in engine, which is characterized in that the bearing block assembly include the bearing seat of honour (2) and
Bearing base (9), the mutually matched position of the two are provided with assembly semicircle orifice, are butted into assembly by the semicircle orifice of the two
Position, for being packed into and supporting the camshaft (11).
6. engine according to claim 5, which is characterized in that the bearing seat of honour (2) and bearing base (9) pass through
Fixing bolt (18) docking fixation is packed into perpendicular to the interface of the two.
7. engine according to claim 6, which is characterized in that the bearing seat of honour (2) and bearing base (9) are respectively right
The both ends of junction are provided with location hole, and the positioning hole interference fit is incorporated with positioning pin (19), passes through the positioning pin
(19) docking location of both positioning.
8. engine according to claim 5, which is characterized in that the engine further includes engine cylinder cover (12), institute
It states bearing base (9) and is bonded engine cylinder cover (12) side, vertical binding face is fixed by being packed into bolt (8) installation.
9. engine according to claim 8, which is characterized in that the engine cylinder cover (12) and the bearing base
(9) position docked is provided with the high pressure oil hole (17) of connection hydraulic power source, the high pressure oil hole (17) and the bearing base (9)
Interior oil circuit (13) connection.
10. a kind of vehicle, which is characterized in that including engine as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711309997.9A CN109899126A (en) | 2017-12-11 | 2017-12-11 | A kind of engine and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711309997.9A CN109899126A (en) | 2017-12-11 | 2017-12-11 | A kind of engine and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109899126A true CN109899126A (en) | 2019-06-18 |
Family
ID=66942533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711309997.9A Pending CN109899126A (en) | 2017-12-11 | 2017-12-11 | A kind of engine and vehicle |
Country Status (1)
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|---|---|
| CN (1) | CN109899126A (en) |
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| CN202117725U (en) * | 2011-05-19 | 2012-01-18 | 奇瑞汽车股份有限公司 | VVT engine exhaust camshaft |
| CN102713169A (en) * | 2010-01-25 | 2012-10-03 | 三菱自动车工业株式会社 | Variable valve gear for internal combustion engine |
| CN102797529A (en) * | 2012-08-24 | 2012-11-28 | 重庆大学 | Air inlet phase continuously adjustable device for single-cylinder and single-overhead-camshaft engine |
| CN202628309U (en) * | 2012-06-21 | 2012-12-26 | 海马轿车有限公司 | Automobile engine as well as front synchronous chain cover shell thereof |
| CN103775166A (en) * | 2012-10-25 | 2014-05-07 | 重庆长安汽车股份有限公司 | Oil way structure of engine |
| CN103775155A (en) * | 2012-10-25 | 2014-05-07 | 重庆长安汽车股份有限公司 | Control oil line of variable valve timing system |
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2017
- 2017-12-11 CN CN201711309997.9A patent/CN109899126A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10317925A (en) * | 1997-05-15 | 1998-12-02 | Daihatsu Motor Co Ltd | Valve timing controller |
| CN101344023A (en) * | 2007-07-10 | 2009-01-14 | 天津一汽夏利汽车股份有限公司 | Integration type air valve timing continuous regulating mechanism of petrol engine |
| CN101845975A (en) * | 2009-03-25 | 2010-09-29 | 爱信精机株式会社 | Valve timing control apparatus |
| CN102713169A (en) * | 2010-01-25 | 2012-10-03 | 三菱自动车工业株式会社 | Variable valve gear for internal combustion engine |
| CN102155272A (en) * | 2011-03-28 | 2011-08-17 | 重庆长安汽车股份有限公司 | Control oil way of variable valve timing device |
| CN202117725U (en) * | 2011-05-19 | 2012-01-18 | 奇瑞汽车股份有限公司 | VVT engine exhaust camshaft |
| CN202628309U (en) * | 2012-06-21 | 2012-12-26 | 海马轿车有限公司 | Automobile engine as well as front synchronous chain cover shell thereof |
| CN102797529A (en) * | 2012-08-24 | 2012-11-28 | 重庆大学 | Air inlet phase continuously adjustable device for single-cylinder and single-overhead-camshaft engine |
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| CN103775155A (en) * | 2012-10-25 | 2014-05-07 | 重庆长安汽车股份有限公司 | Control oil line of variable valve timing system |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20191029 Address after: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Applicant after: Beiqi Futian Automobile Co., Ltd. Address before: 100102 building, No. 1, 2 Tong Tung Avenue, Chaoyang District, Beijing Applicant before: Baowa Automobile (China) Co., Ltd. |
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Application publication date: 20190618 |
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