CN204984524U - Engine variable valve lift system oil circuit - Google Patents
Engine variable valve lift system oil circuit Download PDFInfo
- Publication number
- CN204984524U CN204984524U CN201520556107.4U CN201520556107U CN204984524U CN 204984524 U CN204984524 U CN 204984524U CN 201520556107 U CN201520556107 U CN 201520556107U CN 204984524 U CN204984524 U CN 204984524U
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- Prior art keywords
- oil
- oil duct
- oblique
- cylinder head
- hydraulic tappet
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- Expired - Fee Related
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- 239000010729 system oil Substances 0.000 title abstract 2
- 239000003921 oil Substances 0.000 abstract description 110
- 239000010721 machine oil Substances 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Valve Device For Special Equipments (AREA)
Abstract
The utility model relates to an engine variable valve lift system oil circuit, including establish oblique oil duct in the cylinder head, with the communicating main oil gallery of this oblique oilhole, and the communicating hydraulic tappet oil duct of this main oil gallery, characterized by: still including establish on valve mechanism cover and with the communicating first oblique oil duct of oblique oil duct in the cylinder head, with the communicating long oil way of this first oblique oil duct, with this long oil say the oblique oil duct of communicating second, with the communicating control valve of the oblique oil duct of this second, with the communicating oil return way of this control valve, this oil return say and hydraulic tappet oil duct in the cylinder head communicates with each other, and this hydraulic tappet oil duct and hydraulic tappet intercommunication are connected with the rocking arm on this hydraulic tappet. The utility model discloses the control valve that can provide variable valve lift system switches, realizes control valve lift's regulation to can effectually avoid because the little restriction of arranging the oil circuit of cylinder head spatial structure.
Description
Technical field
The utility model relates to Vehicle Engine Structure, is specifically related to a kind of engine variable valve lift system oil-way.
Background technique
Along with the development of automobile industry, market to engine consumption and performance requirement more and more higher.Lift range variable technology more and more applies on motor, and its main purpose is not only carrying high performance while but also saves oil consumption.
At present, lift range variable technology application major part is on the engine all that the upgrading on original engine model carries out, and the structural configuration of original motor will have the restriction of layout design to hinder to the application of this technology to a great extent.As shown in Figure 4, cylinder head bearing support 51 in Primordial Qi cylinder cap 5 can interfere with Rocker arm 4, the problem of Existential Space deficiency in VVL structural configuration, as shown in Figure 5, in the structure of Primordial Qi cylinder cap 5, the structures such as the bolt mounting holes 55 of the former hydraulic tappet long oil road 52 of Primordial Qi cylinder cap, OCV Oil Control Valve mounting hole 53, OCV Oil Control Valve attachment face 54, Primordial Qi cylinder cap have occupied the space in Primordial Qi cylinder cap 5, the layout design of VVL oil duct is served to the effect of restriction obstruction, thus VVL oil duct cannot be arranged in Primordial Qi cylinder cap.CN202851102U discloses a kind of oil channel structure of variable air valve lift range mechanism of internal combustion engine, and it comprises main oil gallery, and described main oil gallery is provided with proportional electromagnetic valve.On single oil channel structure basis of engine cylinder head system, by settling proportional electromagnetic valve in main oil gallery, one road pressure oil duct is divided into two-way pressure oil duct and a draining road, road, two-way pressure oil duct achieves two oil ducts that in combustion motor distribution device, hydraulic tappet and rocking arm lift switch and supplies pressure oil, wherein, in this pair of oil duct, one tunnel provides pressure oil for hydraulic tappet, the rocking arm lift that another road is hydraulic tappet switches provides pressure-driven, and the oil circuit break-make of rocking arm lift switching is controlled separately by proportional electromagnetic valve, achieve pressure support and the variable function simultaneously controlled of rocking arm lift switching, meanwhile, this oil channel structure connection and reasonable arrangement is compact, can not do large change, can not increase cylinder head material to traditional combustion engine cylinder cap, and oil duct processing technology is simple, low cost of manufacture.But still be confined to cylinder head improves, there is the demand improved further.
Summary of the invention
The purpose of this utility model be to provide a kind of engine variable valve lift system oil-way, this oil circuit can provide the control valve of variable valve lift system to switch, realize the adjustment controlling valve lift, and effectively can evade the restriction of oil circuit being arranged because cylinder head spatial structure is little.
A kind of engine variable valve lift system oil-way described in the utility model, comprise the oblique oil duct be located in cylinder head, the main oil gallery communicated with this oblique oil duct, the hydraulic tappet oil duct communicated with this main oil gallery, it is characterized in that: also comprise and being located in valve mechanism cover and the first oblique oil duct communicated with the oblique oil duct in described cylinder head, the long oil road communicated with this first oblique oil duct, communicate with this long oil road second oblique oil duct, the control valve communicated with this second oblique oil duct, the back oil road communicated with this control valve, this back oil road communicates with the hydraulic tappet oil duct in described cylinder head, this hydraulic tappet oil duct is communicated with hydraulic tappet, this hydraulic tappet is connected with rocking arm.
Described engine variable valve lift system oil-way, described valve mechanism cover is provided with multiple camshaft hole, and multiple camshaft hole is communicated with main oil gallery in cylinder head by oil duct.
The utility model relates to cylinder head, valve mechanism cover, control valve and rocking arm, in order to dodge the position of valve mechanism cover camshaft hole, one first oblique oil duct need be offered be connected with long oil road in valve mechanism cover, and in order to first of valve mechanism cover tiltedly oil to being connected, an oblique oil duct need be offered be communicated with the main oil gallery of cylinder head in cylinder head, first oblique oil duct of valve mechanism cover is connected with the oblique oil duct of cylinder head, machine oil is made to introduce valve mechanism cover from cylinder head, the long oil road of valve mechanism cover communicates with first of valve mechanism cover the oblique oil duct, machine oil is made to flow in the long oil road of valve mechanism cover, tiltedly entered in control valve by the second oblique oil duct of valve mechanism cover again, after machine oil enters control valve, then entered the hydraulic tappet oil duct in cylinder head by back oil road, machine oil carries out elevating control by hydraulic tappet oil duct to rocking arm, thus the height lift realizing valve switches.
The utility model has the following advantages: on the basis keeping original air cylinder head structure, increase variable valve lift system structure simultaneously, solve the little difficult problem cannot arranging oil circuit in space in original cylinder head, avoid the larger change of cylinder cap casting and mechanical processing technique.
Accompanying drawing explanation
Fig. 1 is one of sectional view of the present utility model.
Fig. 2 is sectional view two of the present utility model.
Fig. 3 is sectional view three of the present utility model.
Fig. 4 is traditional cylinder cover forward schematic diagram.
Fig. 5 is traditional cylinder cover front-end view.
In figure: 1-cylinder head, the oblique oil duct of 11-, 12-main oil gallery, 13-hydraulic tappet oil duct, 2-valve mechanism cover, 21-first is oil duct tiltedly, 22-long oil road, and 23-second is oil duct tiltedly, 24-back oil road, 25-camshaft hole, 3-control valve, 4-rocking arm; 5-Primordial Qi cylinder cap, 51-Primordial Qi cylinder cap bearing support, 52-Primordial Qi cylinder cap hydraulic tappet long oil hole, 53-Primordial Qi cylinder cap OCV Oil Control Valve mounting hole, 54-Primordial Qi cylinder cap OCV Oil Control Valve attachment face, 55-Primordial Qi cylinder bolt mounting hole, 6-hydraulic tappet.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
See Fig. 1, engine variable valve lift system oil-way shown in Fig. 2 and Fig. 3, comprise the oblique oil duct 11 be located in cylinder head 1, the main oil gallery 12 communicated with this oblique oil duct, the hydraulic tappet oil duct 13 communicated with this main oil gallery, it is characterized in that: also comprise and being located in valve mechanism cover 2 and the first oblique oil duct 21 communicated with the oblique oil duct in described cylinder head, the long oil road 22 communicated with this first oblique oil duct, communicate with this long oil road second oblique oil duct 23, the control valve 3 communicated with this second oblique oil duct, the back oil road 24 communicated with this control valve, this back oil road communicates with the hydraulic tappet oil duct 13 in described cylinder head 1, this hydraulic tappet oil duct is communicated with hydraulic tappet 6, this hydraulic tappet is connected with Rocker arm 4.
Described engine variable valve lift system oil-way, described valve mechanism cover 2 is provided with multiple camshaft hole 25, and multiple camshaft hole is communicated with main oil gallery 12 in cylinder head 1 by oil duct.
Machine oil enters oblique oil duct from the main oil gallery of cylinder head, then rises in the first inclined oil hole of air road in valve mechanism cover.This oil circuit design proposal is effectively incorporated into machine oil in valve mechanism cover by cylinder head, thus avoids arranging oil duct on this cylinder head that space is less.After machine oil rises to valve mechanism cover, entered in long oil road by the oblique oil duct of first in valve mechanism cover.Machine oil in long oil road in valve mechanism cover enters in control valve by the oblique oil duct of second in valve mechanism cover, machine oil is by entering valve mechanism cover spill port after control valve, enter the hydraulic tappet oil duct in cylinder head afterwards, thus realize the elevating control of hydraulic tappet to rocking arm.
Claims (2)
1. an engine variable valve lift system oil-way, comprise the oblique oil duct (11) be located in cylinder head (1), the main oil gallery (12) communicated with this oblique oil duct, the hydraulic tappet oil duct (13) communicated with this main oil gallery, it is characterized in that: also comprise and being located in valve mechanism cover (2) and the first oblique oil duct (21) communicated with the oblique oil duct (11) in described cylinder head, the long oil road (22) communicated with this first oblique oil duct, communicate with this long oil road second oblique oil duct (23), the control valve (3) communicated with this second oblique oil duct, the back oil road (24) communicated with this control valve, this back oil road communicates with the hydraulic tappet oil duct (13) in described cylinder head (1), this hydraulic tappet oil duct is communicated with hydraulic tappet (6), this hydraulic tappet is connected with rocking arm (4).
2. engine variable valve lift system oil-way according to claim 1, is characterized in that: in described valve mechanism cover (2), be provided with multiple camshaft hole (25), and multiple camshaft hole is communicated by the upper main oil gallery (12) of oil duct and cylinder head (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520556107.4U CN204984524U (en) | 2015-07-28 | 2015-07-28 | Engine variable valve lift system oil circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520556107.4U CN204984524U (en) | 2015-07-28 | 2015-07-28 | Engine variable valve lift system oil circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204984524U true CN204984524U (en) | 2016-01-20 |
Family
ID=55118903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520556107.4U Expired - Fee Related CN204984524U (en) | 2015-07-28 | 2015-07-28 | Engine variable valve lift system oil circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204984524U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673122A (en) * | 2016-03-22 | 2016-06-15 | 奇瑞汽车股份有限公司 | Oil line structure of variable valve lift mechanism |
| CN112096537A (en) * | 2020-08-11 | 2020-12-18 | 东风汽车集团有限公司 | Integrated cylinder head cover and automobile engine |
-
2015
- 2015-07-28 CN CN201520556107.4U patent/CN204984524U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673122A (en) * | 2016-03-22 | 2016-06-15 | 奇瑞汽车股份有限公司 | Oil line structure of variable valve lift mechanism |
| CN105673122B (en) * | 2016-03-22 | 2018-03-16 | 奇瑞汽车股份有限公司 | A kind of variable air valve lift range mechanism oil channel structures |
| CN112096537A (en) * | 2020-08-11 | 2020-12-18 | 东风汽车集团有限公司 | Integrated cylinder head cover and automobile engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 |