CN103790665B - Camshaft bearing support, the VVT oil feeding line structure of engine and engine - Google Patents
Camshaft bearing support, the VVT oil feeding line structure of engine and engine Download PDFInfo
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- CN103790665B CN103790665B CN201210431755.8A CN201210431755A CN103790665B CN 103790665 B CN103790665 B CN 103790665B CN 201210431755 A CN201210431755 A CN 201210431755A CN 103790665 B CN103790665 B CN 103790665B
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- oil
- bearing support
- camshaft bearing
- engine
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Abstract
The invention discloses a kind of camshaft bearing support, the VVT oil feeding line structure of engine and engine, being formed with camshaft bearing support (31) on this camshaft bearing support (3) and for constituting the oilhole (32) of VVT oil feeding line part, oilhole runs through the upper and lower surface with camshaft bearing support (31) separately of camshaft bearing support (3).This camshaft bearing support (3) is arranged on engine cylinder cover (1) and above and is positioned between this engine cylinder cover and camshaft cover cap (4), connecting two internal oil passages by oilhole (32), the internal oil passages of this camshaft cover cap (4) is connected to VVT oil passage control valve (6).Camshaft bearing support has supporting cam wheel axle and doubles as drawing the function of oil oil circuit, the interior oil circuit of engine cylinder cover can be incorporated on camshaft cover lid, VVT oil feeding line simple in construction is clear, and engine cylinder cover or the convenient processing and manufacture of camshaft cover cap reduce cost.
Description
Technical field
The present invention relates to engine structure field, in particular it relates to the camshaft bearing on a kind of engine
Support and by this camshaft bearing support draw oil VVT oil feeding line structure.
Background technology
VVT(VVT) technology has been obtained for extensively in current engine art
Application.Using the engine of VVT technology, its fuel supply path is typically design before engine cylinder cover
In end portion or engine front cover lid, but this all can cause the wall thickness of cylinder cap or front cover to increase,
Internal oil passages winding complex so that processing technology difficulty is big, and can cause weight and the length of engine
Increase, thus bring bigger manufacturing cost.It addition, the support of the camshaft in existing engine
To realize by processing bearing arrangement on engine cylinder lid, add engine cylinder cover thickness and
Difficulty of processing.
Summary of the invention
It is an object of the invention to provide a kind of camshaft bearing support, draw oil by this camshaft bearing support
VVT oil feeding line structure and engine so that the VVT oil feeding line simple in construction of engine,
It is easy to the processing and manufacturing of parts.
To achieve these goals, the present invention provides a kind of camshaft bearing support, and this camshaft bearing props up
Camshaft bearing support it is formed with and for constituting the oilhole of VVT oil feeding line part on frame,
Described oilhole run through described camshaft bearing support upper and lower surface and with described camshaft bearing support
Separately.
Preferably, this camshaft bearing support is elongate in shape, the described upper and lower table of camshaft bearing support
The surface portion run through corresponding to described oilhole in face is respectively formed as plane.
Preferably, this camshaft bearing support being also formed with multiple connecting hole, the axis of this connecting hole is put down
Row is in the axis of described oilhole.
Preferably, above-mentioned camshaft bearing support and described oilhole are two, these two cam shafts
Holding support and be spaced setting on described camshaft bearing support, said two oilhole is formed at said two
Between camshaft bearing support.
It addition, present invention also offers the VVT oil feeding line structure of a kind of engine, this oil feeding line
Structure includes engine cylinder cover, camshaft cover cap, VVT oil passage control valve and above-mentioned according to the present invention
Camshaft bearing support, this camshaft bearing support is arranged on described engine cylinder lid and is positioned at this and starts
Between machine cylinder cap and camshaft cover cap, described camshaft bearing support starts described in the connection of described oilhole
The internal oil passages of machine cylinder cap and the internal oil passages of described camshaft cover cap, the internal oil passages of this camshaft cover cap
It is connected to described VVT oil passage control valve.
Preferably, this oil feeding line structure also includes check valve, in the oilhole of described camshaft bearing support
Being provided with described check valve, the forward hydraulic fluid port of this check valve connects with the internal oil passages of described engine cylinder cover
Logical.
Preferably, the upper surface of described camshaft bearing support pastes along face with the lower of described camshaft cover cap
Close, so that the first hydraulic fluid port of being formed on described lower edge face of the internal oil passages of described camshaft cover cap and institute
The described oilhole stating camshaft bearing support engages；The inner side of described engine cylinder cover is formed with step surface,
The internal oil passages of described engine cylinder cover is formed with the second hydraulic fluid port, described cam shaft on described step surface
Hold the lower surface of support and the step surface laminating of described engine cylinder cover, so that described second hydraulic fluid port and institute
The described oilhole stating camshaft bearing support engages.
Preferably, described oil feeding line structure also includes drawing oil support, and this draws oil support and is installed to described sending out
On the outer surface of motivation cylinder cap, described in draw oil support the outer surface with described engine cylinder cover relative in
Being formed on end face and draw oil groove, the internal oil passages of described engine cylinder cover is formed out on described outer surface
Hydraulic fluid port and oil-in, this oil-out pass through with oil-in described in draw oil groove and be connected.
Preferably, the described oil-in on the outer surface of described engine cylinder cover and described engine cylinder cover
Described second hydraulic fluid port on step surface is connected.
Additionally, present invention also offers a kind of engine, this engine includes according to above-mentioned the sending out of the present invention
The VVT oil feeding line structure of motivation.
By technique scheme, supply according to the camshaft bearing support of the present invention and the VVT of engine
In oil oil channel structures, camshaft bearing support has supporting cam wheel axle and doubles as drawing the function of oil oil circuit, it is possible to
The interior oil circuit of engine cylinder cover is incorporated on camshaft cover lid, thus by camshaft cover cap by pressure oil
Supply VVT oil passage control valve, it is achieved VVT oil circuit unimpeded, moreover it is possible to by VVT oil passage control valve
Oil lubrication is supplied to camshaft.Oil channel structures is simply clear, adding of engine cylinder cover or camshaft cover cap
Work is easily manufactured, reduces manufacturing cost.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of specification, with
Detailed description below is used for explaining the present invention together, but is not intended that limitation of the present invention.?
In accompanying drawing:
Fig. 1 is the solid of the main perspective degree of the camshaft bearing support according to the preferred embodiment of the present invention
Figure；
Fig. 2 is the stereogram of the depression angle of the camshaft bearing support in Fig. 1；
Fig. 3 is the inner side view drawing oil support according to the preferred embodiment of the present invention；
Fig. 4 is the outer side view drawing oil support in Fig. 3；
Fig. 5 is the knot of the VVT oil feeding line structure of the engine according to the preferred embodiment of the present invention
Structure schematic diagram.
Description of reference numerals
1 engine cylinder cover 2 draws oil support
3 camshaft bearing support 4 camshaft cover caps
5 check valve 6 VVT oil passage control valves
7 oil-out 8 oil-ins
9 the 3rd hydraulic fluid port 10 camshafts
11 step surface 12 the 4th hydraulic fluid ports
13 the 5th hydraulic fluid port 21 inner faces
22 draw oil groove 23 fastens installing hole
31 camshaft bearing support 32 oilholes
The upper surface of 33 connecting hole 34 camshaft bearing supports
The lower surface 41 camshaft cover cap of 35 camshaft bearing supports lower along face
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that
Detailed description of the invention described herein is merely to illustrate and explains the present invention, is not limited to this
Bright.
In the present invention, in the case of illustrating on the contrary, the noun of locality of use as " upper and lower, top,
The end " it is typically for for direction shown in the drawings or on vertical, vertical or gravity direction
For the relationship description word of each parts mutual alignment.
As depicted in figs. 1 and 2, respectively show and regard and a kind of camshaft under depression angle substantially main
The perspective representation of the support of bearing.It is formed with camshaft on the diagram camshaft bearing support 3 that the present invention provides
Bearing support 31 and for constituting the oilhole 32 of VVT oil feeding line part, oilhole 32 runs through
The upper and lower surface of camshaft bearing support 3 with camshaft bearing support 31 separately.The present invention
Camshaft bearing support Design become have support engine cam effect and can double as VVT supply
The part of oil oil circuit.Prop up compared to prior art processes camshaft bearing on engine cylinder lid
Bearing portion, the present invention uses single structure member, i.e. camshaft bearing support 3, can facilitate engine cylinder
The processing of lid, reduces engine cylinder cover technology difficulty in casting or mould molding.
Wherein, this camshaft bearing support 3 is formed as elongate in shape, is joined to engine along its length
On cylinder cap.The surface portion run through corresponding to oilhole 32 on the upper and lower surface of camshaft bearing support 3 is divided
Not being preferably formed to plane, plane engagement mode makes laminating closely, it is simple to oilhole 32 and other oil
Connection between road.It addition, may also be formed with multiple connecting hole 33 on camshaft bearing support 3 with even
Connecing on engine cylinder cover 1 as shown in Figure 5 and camshaft cover cap 4, the axis of this connecting hole 33 is preferred
For being parallel to the axis of oilhole 32.
Above-mentioned camshaft bearing support 3 when being installed on engine, convex due on engine cylinder cover 1
Wheel shaft 10(is shown in Fig. 5) generally two, thus camshaft bearing support 31 and oilhole 32 are two
Individual, support and lubrication respectively each camshaft is provided.These two camshaft bearing supports 31 exist
On camshaft bearing support 3, interval is arranged, and two oilholes 32 are then formed at two camshaft bearing supportings
Between portion 31.
After using above-mentioned camshaft bearing support 3, engine cylinder cover 1 can form a kind of new starting
Machine VVT oil feeding line structure.As it is shown in figure 5, this oil feeding line structure can include engine cylinder cover 1,
Camshaft cover cap 4, VVT oil passage control valve 6 and above-mentioned camshaft bearing support 3, this camshaft bearing
Support 3 is arranged on engine cylinder cover 1 and between this engine cylinder cover 1 and camshaft cover cap 4,
Camshaft bearing support 3 connects internal oil passages and the camshaft cover cap 4 of engine cylinder cover 1 by oilhole 32
Internal oil passages, the internal oil passages of this camshaft cover cap 4 is connected to VVT oil passage control valve 6.This VVT
In oil feeding line structure, connect engine cylinder cover 1 and camshaft cover cap by camshaft bearing support 3
Internal oil passages between 4 is also connected on VVT oil circuit control, to provide hydraulic oil to VVT.And
It is well known by those skilled in the art that in VVT oil circuit control can by VVT oil passage control valve 6 to
Camshaft 10 provides lubricating oil to be lubricated, thus from VVT oil passage control valve 6 to camshaft 10 it
Between lubricant passage way the most not shown.Can be square as it was previously stated, arrange single camshaft bearing support 3
Just supporting camshaft 10, the inner side of engine cylinder cover 1 can be formed with step surface 11, and step surface 11 can
It is designed or engineered to simple plane to engage with camshaft bearing support 3, as shown in Figure 1 logical
Connecting hole 33 and the securing member of crossing camshaft bearing support 3 two ends carry out being fastenedly connected.Thus can
Facilitate the processing of engine cylinder cover 1, reduce the engine cylinder cover 1 technique in casting or mould molding difficult
Degree, the wall thickness of engine cylinder cover 1 can design the thinnest lighter.
For realizing being connected between engine cylinder cover 1 and camshaft cover cap 4 by camshaft bearing support 3
Internal oil passages, as it is shown in figure 5, the upper surface 34 of camshaft bearing support 3 and camshaft cover cap 4
Lower along the joint between the face 41(i.e. upper surface of engine cylinder cover 1 and the lower surface of camshaft cover cap 4
Face) be designed to laminating so that the internal oil passages of camshaft cover cap 4 formed on lower edge face 41 the
One hydraulic fluid port (not shown) engages with the oilhole 32 of camshaft bearing support 3.Similarly, start
The internal oil passages of machine cylinder cap 1 is also configured with the second hydraulic fluid port (in figure at the step surface 11 of engine cylinder cover 1
Do not show), the lower surface 35 of camshaft bearing support 3 is fitted with the step surface 11 of engine cylinder cover 1,
So that the second hydraulic fluid port engages with the oilhole 32 of camshaft bearing support 3.By making hydraulic fluid port dock also
Installing the seals such as seal oil ring near the hydraulic fluid port of interface can make hydraulic circuit connection unimpeded.
It should be noted that need to install check valve 5 in common VVT oil circuit control, often need
Mounting structure to be increased.In the VVT oil feeding line structure of the engine shown in Fig. 5, cam shaft
Can accommodate installation check valve 5 in holding the oilhole 32 of support 3, the forward hydraulic fluid port of this check valve 5 with start
The internal oil passages connection of machine cylinder cap 1 so that hydraulic oil can only flow to from the internal oil passages of engine cylinder cover 1
The internal oil passages of camshaft cover cap 4, with to VVT fuel feeding.Therefore, the VVT fuel feeding of the present invention is used
Oil channel structures facilitates the installation of the check valve 5 of VVT oil circuit.
It addition, as shown in Figure 3 and Figure 4, for reducing the wall thickness of engine cylinder cover 1 further, reduce and send out
Motivation axial dimension and engine weight, also introduce one and draw oil support 2, and this draws oil support 2 and can pacify
Installing on the outer surface of engine cylinder cover 1, the outer surface with engine cylinder cover 1 drawing oil support 2 is relative
Inner face 21 on can be formed and draw oil groove 22.Wherein, the internal oil passages of engine cylinder cover 1 is in appearance
Being correspondingly designed to have oil-out 7 and two oil-ins 8 on face, this oil-out 7 leads to oil-in 8
Cross and draw oil groove 22 and be connected.Thus avoid the wall thickness weakness at engine cylinder cover 1 to also need to add
The problem that work goes out internal oil passages.Wherein, draw oil support 2 and can form multiple fastening installing hole 23, by tightly
Firmware is securely mounted on engine cylinder cover 1.
In the application, the working connection of engine cylinder cover 1 can be incorporated in oil support 2 by oil-out 7,
And returned to engine cylinder cover 1 by oil-in 8, with other parts of engine needed for oil circuit the 3rd oil
Mouth 9 is connected.Wherein, the oil-in 8 on the outer surface of engine cylinder cover 1 and engine cylinder cover 1
The second hydraulic fluid port on step surface 11 is connected, by drawing oil support 2 by the working connection of engine cylinder cover 1
It is incorporated into the internal oil passages of camshaft cover cap 4, then the 4th hydraulic fluid port 12 by camshaft cover cap 4 internal oil passages
It is respectively communicated with on VVT oil circuit control with the 5th hydraulic fluid port 13.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention does not limit
Detail in above-mentioned embodiment, in the technology concept of the present invention, can be to the present invention
Technical scheme carry out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, various possible combinations are illustrated by the present invention the most separately.
Additionally, can also be combined between the various different embodiment of the present invention, as long as its
Without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (8)
1. the VVT oil feeding line structure of engine, it is characterised in that this oil feeding line structure includes sending out
Motivation cylinder cap (1), camshaft cover cap (4), VVT oil passage control valve (6) and camshaft bearing support
(3), this camshaft bearing support (3) is formed with camshaft bearing support (31) and for structure
Becoming the oilhole (32) of VVT oil feeding line part, described oilhole (32) runs through described cam shaft
Hold the upper and lower surface with described camshaft bearing support (31) separately of support (3), described
Camshaft bearing support (3) is arranged on described engine cylinder cover (1) and above and is positioned at this engine cylinder cover (1)
And between camshaft cover cap (4), described camshaft bearing support (3) is by described oilhole (32) even
Connect the internal oil passages of described engine cylinder cover (1) and the internal oil passages of described camshaft cover cap (4), should
The internal oil passages of camshaft cover cap (4) is connected to described VVT oil passage control valve (6)；
Described oil feeding line structure also includes drawing oil support (2), and this draws oil support (2) and is installed to described
On the outer surface of engine cylinder cover (1), described in draw oil support (2) with described engine cylinder cover (1)
The relative inner face (21) of outer surface on be formed and draw oil groove (22), described engine cylinder cover (1)
Internal oil passages on described outer surface, be formed with oil-out (7) and oil-in (8), this oil-out (7)
Draw oil groove (22) described in passing through with oil-in (8) to be connected.
The VVT oil feeding line structure of engine the most according to claim 1, it is characterised in that
This camshaft bearing support (3) is elongate in shape, the upper and lower surface of described camshaft bearing support (3)
The surface portion run through corresponding to described oilhole (32) be respectively formed as plane.
The VVT oil feeding line structure of engine the most according to claim 1, it is characterised in that
Multiple connecting hole (33), the axle of this connecting hole (33) it is also formed with on this camshaft bearing support (3)
Line is parallel to the axis of described oilhole (32).
The VVT oil feeding line structure of engine the most according to any one of claim 1 to 3,
It is characterized in that, described camshaft bearing support (31) and described oilhole (32) are two, should
Two camshaft bearing supports (31) are spaced setting on described camshaft bearing support (3), institute
State two oilholes (32) to be formed between said two camshaft bearing support (31).
The VVT oil feeding line structure of engine the most according to claim 1, it is characterised in that
This oil feeding line structure also includes check valve (5), the oilhole (32) of described camshaft bearing support (3)
Described check valve (5), the forward hydraulic fluid port of this check valve (5) and described engine cylinder cover (1) are inside installed
Internal oil passages connection.
The VVT oil feeding line structure of engine the most according to claim 1, it is characterised in that
The upper surface (34) of described camshaft bearing support (3) is lower along face with described camshaft cover cap (4)
(41) laminating, so that the internal oil passages of described camshaft cover cap (4) is described lower along face (41)
First hydraulic fluid port of upper formation engages with the described oilhole (32) of described camshaft bearing support (3)；Institute
The inner side stating engine cylinder cover (1) is formed with step surface (11), described engine cylinder cover (1) interior
Portion's oil circuit is formed with the second hydraulic fluid port, described camshaft bearing support (3) on described step surface (11)
Step surface (11) laminating of lower surface (35) and described engine cylinder cover (1) so that described
Second hydraulic fluid port engages with the described oilhole (32) of described camshaft bearing support (3).
The VVT oil feeding line structure of engine the most according to claim 6, it is characterised in that
Described oil-in (8) on the outer surface of described engine cylinder cover (1) and described engine cylinder cover (1)
Step surface (11) on described second hydraulic fluid port be connected.
8. engine, it is characterised in that this engine includes according to any one of claim 1 to 7
The VVT oil feeding line structure of described engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210431755.8A CN103790665B (en) | 2012-11-01 | 2012-11-01 | Camshaft bearing support, the VVT oil feeding line structure of engine and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210431755.8A CN103790665B (en) | 2012-11-01 | 2012-11-01 | Camshaft bearing support, the VVT oil feeding line structure of engine and engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103790665A CN103790665A (en) | 2014-05-14 |
| CN103790665B true CN103790665B (en) | 2016-09-07 |
Family
ID=50666672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210431755.8A Active CN103790665B (en) | 2012-11-01 | 2012-11-01 | Camshaft bearing support, the VVT oil feeding line structure of engine and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103790665B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5161495A (en) * | 1989-07-14 | 1992-11-10 | Yamaha Hatsudoki Kabushiki Kaisha | Lubrication arrangement for engine |
| JP2004092567A (en) * | 2002-09-02 | 2004-03-25 | Mazda Motor Corp | Variable valve system of engine |
| CN101482044A (en) * | 2008-12-22 | 2009-07-15 | 奇瑞汽车股份有限公司 | Engine camshaft bearing cover |
| CN101749064A (en) * | 2009-12-29 | 2010-06-23 | 奇瑞汽车股份有限公司 | Camshaft bearing structure for engine |
| CN101975096A (en) * | 2010-10-20 | 2011-02-16 | 奇瑞汽车股份有限公司 | First bearing cover of engine camshaft |
| CN102052118A (en) * | 2009-10-26 | 2011-05-11 | 通用汽车环球科技运作公司 | Engine assembly including secondary oil pump and pump mounting structure |
| CN202023603U (en) * | 2011-02-18 | 2011-11-02 | 广州汽车集团股份有限公司 | Camshaft front bearing cap of motor |
-
2012
- 2012-11-01 CN CN201210431755.8A patent/CN103790665B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5161495A (en) * | 1989-07-14 | 1992-11-10 | Yamaha Hatsudoki Kabushiki Kaisha | Lubrication arrangement for engine |
| JP2004092567A (en) * | 2002-09-02 | 2004-03-25 | Mazda Motor Corp | Variable valve system of engine |
| CN101482044A (en) * | 2008-12-22 | 2009-07-15 | 奇瑞汽车股份有限公司 | Engine camshaft bearing cover |
| CN102052118A (en) * | 2009-10-26 | 2011-05-11 | 通用汽车环球科技运作公司 | Engine assembly including secondary oil pump and pump mounting structure |
| CN101749064A (en) * | 2009-12-29 | 2010-06-23 | 奇瑞汽车股份有限公司 | Camshaft bearing structure for engine |
| CN101975096A (en) * | 2010-10-20 | 2011-02-16 | 奇瑞汽车股份有限公司 | First bearing cover of engine camshaft |
| CN202023603U (en) * | 2011-02-18 | 2011-11-02 | 广州汽车集团股份有限公司 | Camshaft front bearing cap of motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103790665A (en) | 2014-05-14 |
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Effective date of registration: 20180508 Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing treasure Car Co., Ltd. Address before: 102206, Beijing, Shahe Town, Changping District Road, sand Yang Patentee before: Beiqi Futian Automobile Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing baowo Automobile Co., Ltd Address before: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee before: Beijing treasure Car Co., Ltd. |
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Effective date of registration: 20210419 Address after: 102206, Beijing, Shahe, Changping District Town, Sha Yang Road, Lao Wan Village North Patentee after: BEIQI FOTON MOTOR Co.,Ltd. Address before: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee before: Beijing baowo Automobile Co.,Ltd. |