CN109899128B - Bearing block assembly, engine and vehicle - Google Patents
Bearing block assembly, engine and vehicle Download PDFInfo
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- CN109899128B CN109899128B CN201711307569.2A CN201711307569A CN109899128B CN 109899128 B CN109899128 B CN 109899128B CN 201711307569 A CN201711307569 A CN 201711307569A CN 109899128 B CN109899128 B CN 109899128B
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Abstract
The invention provides a bearing seat assembly, which comprises an upper connecting seat and a lower connecting seat; the upper connecting seat is provided with a connecting cylinder for mounting the OCV control valve, an oil inlet path and a control oil path, wherein the oil inlet path and the control oil path are arranged in the upper connecting seat and are communicated with the connecting cylinder; the lower connecting seat is provided with an oil supply way communicated with the oil inlet way. Through the structure of a connecting cylinder, the OCV control valve is connected with the upper connecting seat of the bearing seat and is installed, the control oil way is connected with the VVT controller, the oil inlet way is communicated with the oil supply way in the lower connecting seat to form a control loop, the length of the oil way is greatly shortened relative to the external design of the OCV, the oil pressure loss is reduced, the addition of an auxiliary control valve and other related elements is avoided, the cost problem is solved, the design of the OCV valve in the engine adopting the variable valve timing technology is solved, and the existing technical problems of high system complexity, high equipment cost and the like are caused. The invention also provides an engine and a vehicle.
Description
Technical Field
The invention relates to the technical field of vehicle equipment, in particular to a bearing seat assembly, an engine and a vehicle.
Background
At present, the VVT (variable valve timing) technology is widely used in the field of engines, and the principle thereof is to adjust the amount of intake (exhaust), and the valve opening and closing time and angle according to the operating conditions of the engine, so as to optimize the amount of intake air and improve the combustion efficiency.
In the existing design, generally adopt the engine of VVT, the arrangement of general OCV valve (the engine oil control valve of intake valve timing) adopts engine block external or middle, nevertheless all have corresponding design problem, specific:
when the oil way is externally arranged, the control oil way from the OCV to the VVT is longer, the plugging pressure loss of the oil way is large, the requirement on the low rotating speed capacity of an oil pump is high, the manufacturing and system cost is relatively higher, in addition, a seal and a one-way valve are required to be added for connecting the oil way, the stability of the oil pressure at the low rotating speed and the oil way pressure is ensured, the system complexity is increased, and the equipment and the assembly cost is improved.
When the central OCV valve is arranged in the middle, the oil pressure loss is less, the oil path connection position is less, the response time of the system is faster, and the stability is better compared with the former oil path connection position.
In summary, how to effectively solve the technical problems of high system complexity, high equipment cost and the like in the existing OCV valve design in the engine adopting the variable valve timing technology is a problem which needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In view of the above, a first object of the present invention is to provide a bearing housing assembly, which can effectively solve the technical problems of high system complexity, high equipment cost and the like of the OCV valve design in the existing engine adopting the variable valve timing technology, and a second object of the present invention is to provide an engine comprising the bearing housing assembly, and another object of the present invention is to provide a vehicle comprising the engine.
In order to achieve the first object, the invention provides the following technical scheme:
a bearing housing assembly comprising an upper connecting socket and a lower connecting socket;
the upper connecting seat is provided with a connecting cylinder for mounting the OCV control valve, an oil inlet path and a control oil path, wherein the oil inlet path and the control oil path are arranged in the upper connecting seat and communicated with the connecting cylinder;
the lower connecting seat is provided with an oil supply way communicated with the oil inlet way.
Preferably, in the bearing seat assembly, the upper connecting seat is further provided with a supporting arm, the supporting arm is connected with the connecting cylinder, and an oil path in the supporting arm is respectively communicated with the oil inlet path and the control oil path and is communicated with an oil path in the connecting cylinder.
Preferably, in the bearing housing assembly, two sides of the top end of the support arm are connected with one connecting cylinder respectively, and the connecting cylinders are used for connecting one OCV control valve respectively; the connecting cylinder is hollow and provided with oil ports which are respectively communicated with oil inlets corresponding to the OCV control valves at the positions connected with the supporting arms.
Preferably, in the bearing block assembly, the outer wall of the connecting cylinder is provided with an extension portion, and the extension portion is provided with an oil port communicating with an oil passage in the connecting cylinder at a position corresponding to the oil port of the VVT controller.
The invention provides a bearing seat assembly, which comprises an upper connecting seat and a lower connecting seat; the upper connecting seat is provided with a connecting cylinder for mounting the OCV control valve, an oil inlet path and a control oil path, wherein the oil inlet path and the control oil path are arranged in the upper connecting seat and communicated with the connecting cylinder; the lower connecting seat is provided with an oil supply way communicated with the oil inlet way. According to the bearing seat assembly provided by the invention, the OCV control valve is connected and installed with the upper connecting seat of the bearing seat through the structure of the connecting cylinder, namely the OCV control valve is connected to the inside of one side of the engine cylinder body and is connected with the VVT controller through the control oil path, the oil inlet path is communicated with the oil supply path in the lower connecting seat to form a control loop, the length of the oil path is greatly shortened relative to the OCV external design, the oil pressure loss is reduced, the auxiliary control valve and other related elements are prevented from being increased, and the cost problem is solved. In conclusion, the bearing seat assembly provided by the invention solves the technical problems that the existing OCV valve design in the engine adopting the variable valve timing technology has high system complexity, high equipment cost and the like.
In order to achieve the second object, the present invention further provides an engine including a camshaft, a VVT controller, an OCV control valve, and any one of the bearing housing assemblies described above. Because the bearing seat assembly has the technical effects, an engine with the bearing seat assembly also has the corresponding technical effects.
Preferably, in the engine, an adapter is further fixed to the front end of the camshaft in a sleeved manner, and an oil path communicated with the VVT controller oil port is formed in the adapter; and an oil port of the extension part in the connecting cylinder is communicated with an oil way in the adapter.
Preferably, in the engine, the engine further comprises a cylinder cover, oil passages are arranged in the upper connecting seat, the lower connecting seat and the cylinder cover, and the oil passages in the upper connecting seat and the lower connecting seat are respectively communicated with the oil passages in the adapter and the cylinder cover.
Preferably, in the engine, the VVT controller is also fitted to the front end of the camshaft and located inside the adapter, and the adapter and the VVT controller are integrated to form a camshaft thrust mechanism.
Preferably, in the engine, the engine further includes a timing front cover, and the connecting cylinder is located between the timing front cover and the upper connecting seat and located in an inner space above or below a front end of the camshaft.
In order to achieve the above another object, the present invention also provides a vehicle including any one of the engines described above. Since the engine has the technical effects, the vehicle with the engine also has the corresponding technical effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a bearing housing assembly according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a partial cross-sectional structure of an engine according to an embodiment of the present invention;
fig. 3 is a schematic view of a partial oil path structure of a bearing block assembly according to an embodiment of the present invention.
The drawings are numbered as follows:
the device comprises a connecting cylinder 1, a supporting arm 2, an outer extension part 3, an upper connecting seat 4-1, a lower connecting seat 4-2, an adapter 5, a camshaft 6, a cylinder cover 7, a timing front cover 8 and an inner oil path 9.
Detailed Description
The embodiment of the invention discloses a bearing seat assembly, which aims to solve the technical problems of high equipment cost and the like caused by high system complexity in the existing OCV valve design in an engine adopting a variable valve timing technology.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and 3, fig. 1 is a schematic structural diagram of a bearing block assembly according to an embodiment of the present invention; fig. 3 is a schematic view of a partial oil path structure of a bearing block assembly according to an embodiment of the present invention.
The bearing seat assembly provided by the embodiment of the invention comprises an upper connecting seat 4-1 and a lower connecting seat 4-2; the upper connecting seat 4-1 is provided with a connecting cylinder 1 for installing an OCV control valve, and an oil inlet path and a control oil path which are arranged inside the upper connecting seat 4-1 and communicated with the connecting cylinder 1; the lower connecting seat 4-2 is provided with an oil supply way communicated with the oil inlet way.
This kind of bearing frame subassembly design that this embodiment provided, through the structure of connecting cylinder, with the last connecting seat of OCV control valve and bearing frame be connected the installation, namely connect it in the inside of engine cylinder body one side, be connected with the VVT controller through its control oil circuit, the oil feed way communicates with the oil supply way in the connecting seat down, constitute control circuit, shortened oil circuit length greatly for the external design of OCV, reduced the oil pressure loss, avoid increasing auxiliary control valve and other relevant components, the cost problem has been solved. In conclusion, the bearing seat assembly provided by the invention solves the technical problems that the existing OCV valve design in the engine adopting the variable valve timing technology has high system complexity, high equipment cost and the like.
In order to further optimize the connection design between the connecting cylinder and the upper connecting seat in the above technical solution, preferably, in the bearing seat assembly, the upper connecting seat 4-1 is further provided with a supporting arm 2, the supporting arm 2 is connected with the connecting cylinder 1, and an oil path in the supporting arm 2 is respectively communicated with the oil inlet path and the control oil path and is communicated with an inner oil path 9 of the connecting cylinder 1.
It should be noted that the design of the connecting cylinder is matched with the OCV control valve, and the angle of the connecting cylinder relative to the support arm can be adjusted adaptively according to the design of the OCV, for example, the axial direction of the connecting cylinder is preferably perpendicular to the support arm, and can also be at other angles, even parallel to the support arm.
The support arm and the connecting cylinder can be integrally cast, and the base part of the support arm is preferably fixedly installed on the support seat, such as threaded assembly in the form of bolts and the like; further can also be according to concrete designing requirement on the thinking of this design with the timing protecgulum 8 installation of supporting seat and engine fixed, the inside oil circuit setting of change of adaptability can.
The upper and lower connecting seats of oil circuit intercommunication bearing frame subassembly and the interior oil circuit of VVT controller separately through in support arm and the connecting cylinder, the hydraulic fluid port of connecting seat admission control oil circuit is gone up in specific support arm interior oil circuit one end intercommunication, and the design of interior oil circuit in the connecting cylinder includes: the oil port is directly communicated with an oil path in the supporting arm and is used for butting an oil inlet hole of the OCV control valve; preferably, the oil outlet port is butted with the oil outlet hole of the OCV control valve, and is further communicated with the oil passage in the VVT controller through another section of the oil passage.
Adopt the installation design of this kind of OCV control valve, can have certain outer structure length and the support arm that matches inside oil circuit through itself, lift off the mounted position of OCV control valve from other structures of camshaft axle head, simultaneously because the design of support arm can make other structures of OCV control valve and camshaft axle head design side by side, and no longer must design in camshaft foremost, consequently reduced the axial length of engine, be favorable to engine design and whole car to arrange, solve the problem that is unfavorable for the engine assembly.
Above-mentioned technical scheme is further optimized to this embodiment, arranges for the biax and the two OCV valves that adapt to the engine on the basis of above-mentioned embodiment, preferentially the both sides on support arm top all are connected with one connecting cylinder 1 is used for connecting an OCV control valve respectively, connecting cylinder 1 with the position that support arm 2 is connected, inside cavity is and be provided with the hydraulic fluid port that is used for respectively with the oil inlet intercommunication of the OCV control valve that corresponds.
The embodiment provides the oil circuit design in technical scheme optimizes, arranges the structure that adapts to the connecting cylinder with the oil circuit, guarantees that the control valve of both sides can both obtain effectual hydraulic pressure supply.
Preferably, the two connecting cylinders are symmetrically arranged in the above implementation, and if the relative positions of the two connecting cylinders are also adaptively adjusted according to the requirements of other elements of the engine design, the connecting cylinders are arranged on the same side of the supporting arm even by changing the position of the supporting arm relative to the cam shaft, such as the vertical asymmetrical design.
In order to optimize the connection design of the oil outlet end of the OCV and the VVT in the above technical solution, on the basis of the above embodiment, it is preferable that the outer wall of the connecting cylinder 1 is provided with the extension portion 3, and the position of the extension portion 3 corresponding to the oil port of the VVT controller is provided with an oil port communicating with the inner oil passage 9 of the connecting cylinder 1.
In the technical scheme provided by the embodiment, the design of the connecting cylinder is optimized, the extension part communicated with the oil port of the VVT controller is arranged, and the oil way communicated with the oil outlet hole of the OCV control valve in the connecting cylinder is arranged in the extension part, so that the external oil way design of the system is simplified; of course, the further oil path of the extension part can be not directly communicated with the oil path of the VVT controller, and can also be communicated with the VVT controller through a matched adapter 5 or an upper connecting seat.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a bearing block assembly according to an embodiment of the present invention; FIG. 2 is a schematic diagram of a partial cross-sectional structure of an engine according to an embodiment of the present invention; fig. 3 is a schematic view of a partial oil path structure of a bearing block assembly according to an embodiment of the present invention.
Based on the OCV control valve holder provided in the above embodiment, the present invention also provides an engine including a camshaft 6, a VVT controller, an OCV control valve, and any one of the bearing housing assemblies 4 in the above embodiments. Because the engine adopts the bearing block assembly in the above embodiment, please refer to the above embodiment for the beneficial effect of the engine.
In order to further optimize the technical scheme, on the basis of the above embodiment, preferably, an adapter 5 is further fixed to the front end of the camshaft 6 in a sleeved manner, and an oil path communicated with the oil port of the VVT controller is arranged in the adapter 5; and an oil port of the extension part 3 in the connecting cylinder 1 is communicated with an oil path in the adapter 5.
Among the technical scheme that this embodiment provided, the design of VVT system has been optimized to the technical scheme that this embodiment provided, and it has included the adapter, and adapter and camshaft front end suit communicate OCV control valve oil circuit and VVT controller through the oil circuit in the adapter, make VVT system design more reasonable.
In order to further optimize the technical solution, it is preferable on the basis of the above embodiment that in the engine, a bearing is disposed between the front end of the camshaft 6 and the lower connecting seat, and the support arm 2 is integrally connected with the bearing.
Through the design that the bearing is connected with the support arm is integrative, mainly make the OCV control valve support in above-mentioned each embodiment can with bearing integrated installation, improved the flexibility of design, make the device can adapt to split type bearing frame design better.
In order to optimize the design of the whole oil circuit inside the engine in the technical scheme, on the basis of the embodiment, the engine preferably further comprises a cylinder cover 7, oil circuits are arranged in the upper connecting seat, the lower connecting seat and the cylinder cover 7, and the oil circuits in the upper connecting seat and the lower connecting seat are respectively communicated with the oil circuits in the adapter 5 and the cylinder cover 7.
According to the technical scheme provided by the embodiment, the system oil circuit communication tends to be rationalized through the design of the oil circuit of the bearing block, the design of the bearing block assembly can be further more flexible through the reasonable oil circuit design, and the bearing block assembly is preferably arranged in a split manner; the adaptive OCV valve can be flexibly activated through the design of the valve bracket and is assembled with the upper seat or the lower seat correspondingly according to the design requirements of the whole machine, so that the assembly integrity is improved, and the assembly process is simplified.
In order to further optimize the technical solution, in the engine according to the above embodiment, the VVT controller is also sleeved at the front end of the camshaft 6 and located inside the adapter 5, and the adapter 5 and the VVT controller are integrated to form a camshaft thrust mechanism.
In order to optimize the leakage-proof design in the technical scheme, on the basis of the above embodiment, in the engine, the engine further comprises a timing front cover 8, and the connecting cylinder is located in an inner space between the timing front cover 8 and the upper connecting seat 4-1.
The technical scheme provided by the embodiment arranges the connecting cylinder and the supporting arm part in the front cover of the front cover, and the arrangement mode can place the connection of related parts in the engine, so that the risk of oil leakage is reduced, the related leakage can be converted into internal leakage, and the requirement of three-leakage of the engine is facilitated.
Based on the engine provided in the above embodiment, the invention further provides a vehicle including the engine in any one of the above embodiments. Since the vehicle adopts the engine in the above embodiment, please refer to the above embodiment for the beneficial effect of the vehicle.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A bearing housing assembly, characterized in that it comprises an upper connecting seat (4-1) and a lower connecting seat (4-2);
the upper connecting seat (4-1) is provided with a connecting cylinder (1) for installing an OCV control valve, and an oil inlet path and a control oil path which are arranged inside the upper connecting seat (4-1) and communicated with the connecting cylinder (1);
the lower connecting seat (4-2) is provided with an oil supply path communicated with the oil inlet path;
the upper connecting seat (4-1) is also provided with a supporting arm (2) which is connected with the connecting cylinder (1) through the supporting arm, and an oil path in the supporting arm (2) is respectively communicated with the oil inlet path and the control oil path and is communicated with an oil path in the connecting cylinder (1);
the axial direction of the connecting cylinder is vertical to the supporting arm;
the two sides of the top end of the supporting arm (2) are connected with the connecting cylinder (1) respectively and are used for being connected with an OCV control valve respectively; the two connecting cylinders (1) are coaxial and communicated; the connecting cylinder (1) is hollow and is provided with oil ports which are respectively communicated with oil inlets corresponding to the OCV control valves at the positions where the connecting cylinder is connected with the supporting arms (2);
the outer wall of connecting cylinder (1) all is provided with extension portion (3), the position that extension portion (3) correspond the VVT controller hydraulic fluid port is provided with the intercommunication the hydraulic fluid port of oil circuit in the connecting cylinder.
2. An engine comprising a camshaft (6), a VVT controller, an OCV control valve, characterized by further comprising a bearing housing assembly according to claim 1.
3. The engine according to claim 2, characterized in that an adapter (5) is further sleeved and fixed at the front end of the camshaft (6), and an oil way communicated with the VVT controller oil port is arranged in the adapter (5); and an oil port of the extension part (3) in the connecting cylinder (1) is communicated with an oil way in the adapter (5).
4. The engine according to claim 3, characterized in that the engine further comprises a cylinder cover (7), oil passages are arranged in the upper connecting seat (4-1), the lower connecting seat (4-2) and the cylinder cover (7), and the oil passages in the upper connecting seat (4-1) and the lower connecting seat (4-2) are respectively communicated with the oil passages in the adapter (5) and the cylinder cover (7).
5. An engine according to claim 4, characterized in that the VVT controller is also sleeved at the front end of the camshaft (6) and is positioned inside the adapter (5), and the adapter (5) and the VVT controller are integrated to form a camshaft thrust mechanism.
6. The engine according to claim 5, characterized in that the engine further comprises a timing front cover (8), and the connecting cylinder (1) is located between the timing front cover (8) and the upper connecting seat (4-1) and in an inner space above or below the front end of the camshaft (6).
7. A vehicle characterized by comprising an engine as claimed in any one of claims 2 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307569.2A CN109899128B (en) | 2017-12-11 | 2017-12-11 | Bearing block assembly, engine and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711307569.2A CN109899128B (en) | 2017-12-11 | 2017-12-11 | Bearing block assembly, engine and vehicle |
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| Publication Number | Publication Date |
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| CN109899128A CN109899128A (en) | 2019-06-18 |
| CN109899128B true CN109899128B (en) | 2021-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711307569.2A Active CN109899128B (en) | 2017-12-11 | 2017-12-11 | Bearing block assembly, engine and vehicle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10196324A (en) * | 1997-01-17 | 1998-07-28 | Daihatsu Motor Co Ltd | Structure of valve timing control type internal combustion engine |
| CN101196127A (en) * | 2006-12-06 | 2008-06-11 | 奇瑞汽车有限公司 | Camshaft bearing cover of engine |
| CN201827250U (en) * | 2010-09-10 | 2011-05-11 | 奇瑞汽车股份有限公司 | Cam shaft bearing of engine |
| CN102086786A (en) * | 2009-12-02 | 2011-06-08 | 通用汽车环球科技运作公司 | Cylinder cover shield assembly for variable valve timing system |
| CN105556072A (en) * | 2013-09-24 | 2016-05-04 | 舍弗勒技术股份两合公司 | Camshaft adjuster |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090186725A1 (en) * | 2008-01-18 | 2009-07-23 | Joseph Jouraij | Multi-utility camshaft cap for internal combustion engine |
-
2017
- 2017-12-11 CN CN201711307569.2A patent/CN109899128B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10196324A (en) * | 1997-01-17 | 1998-07-28 | Daihatsu Motor Co Ltd | Structure of valve timing control type internal combustion engine |
| CN101196127A (en) * | 2006-12-06 | 2008-06-11 | 奇瑞汽车有限公司 | Camshaft bearing cover of engine |
| CN102086786A (en) * | 2009-12-02 | 2011-06-08 | 通用汽车环球科技运作公司 | Cylinder cover shield assembly for variable valve timing system |
| CN201827250U (en) * | 2010-09-10 | 2011-05-11 | 奇瑞汽车股份有限公司 | Cam shaft bearing of engine |
| CN105556072A (en) * | 2013-09-24 | 2016-05-04 | 舍弗勒技术股份两合公司 | Camshaft adjuster |
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| CN109899128A (en) | 2019-06-18 |
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Effective date of registration: 20210415 Address after: 102206, Beijing, Shahe, Changping District Town, Sha Yang Road, Lao Wan Village North Applicant after: BEIQI FOTON MOTOR Co.,Ltd. Address before: 100102 No.1 Courtyard Building, Futong East Street, Chaoyang District, Beijing Applicant before: BORGWARD AUTOMOTIVE (CHINA) Co.,Ltd. |
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