CN210660337U

CN210660337U - Engine and vehicle with same

Info

Publication number: CN210660337U
Application number: CN201921359824.2U
Authority: CN
Inventors: 刘友德
Original assignee: Shenzhen Zhenyu New Energy Power Technology Co Ltd
Current assignee: Shenzhen Zhenyu New Energy Power Technology Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-06-02
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses an engine and have its vehicle. The engine includes: cylinder head, cylinder head cover and housing in right time, be equipped with OCV solenoid valve installation department on the lateral wall of cylinder head cover, the OCV solenoid valve is installed in OCV solenoid valve installation department, and the bottom of OCV solenoid valve installation department is the diapire of downward protrusion cylinder head cover, is equipped with on the lateral wall of housing in right time to be suitable for and inlays to establish complex OCV solenoid valve mounting groove with OCV solenoid valve installation department. Through set up OCV solenoid valve installation department on the cylinder head cover, not only can guarantee the normal installation of OCV solenoid valve, and be suitable for in the timing housing to inlay with OCV solenoid valve installation department and establish complex OCV solenoid valve mounting groove, and the VVT bellying of VVT subassembly aligns with OCV solenoid valve mounting groove, therefore, when needing to dismantle the VVT subassembly, the VVT bellying can stretch into in the OCV solenoid valve mounting groove, thereby can increase the distance that the VVT subassembly can axial displacement, and then conveniently take off the VVT subassembly, the maintenance of having guaranteed the VVT subassembly is swift.

Description

Engine and vehicle with same

Technical Field

The utility model relates to an engine field particularly, relates to an engine and have its vehicle.

Background

An engine having a VVT (variable timing mechanism) can increase power and torque of the engine, and can reduce oil consumption and emission of the engine, wherein a response speed of the central VVT is faster, and therefore, the engine of the central VVT is increasingly favored by various host manufacturers, but the central VVT needs to split a conventional OCV electromagnetic valve into an oil pressure control valve and an OCV electromagnetic valve, which may lead to a complex mechanism of the engine and further cause inconvenience in maintenance.

In particular, in the existing middle-mounted VVT, the OCV electromagnetic valve is mounted on the timing housing, so that when the VVT and the valve train are maintained, the accessory gear train and the timing housing must be completely removed to maintain, otherwise, the camshaft and the VVT cannot be taken out.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the utility model provides an engine, the OCV solenoid valve setting of this engine is covered at the cylinder head, and the convenience is to the maintenance of VVT and valve train.

The utility model also provides a vehicle of having above-mentioned engine.

According to the utility model discloses engine includes: the timing cover comprises a cylinder cover, a camshaft, a cylinder cover hood and a timing cover shell, wherein a camshaft mounting part is arranged in the cylinder cover, the camshaft is arranged on the camshaft mounting part, a VVT mounting part is arranged on the camshaft, a VVT component is arranged on the VVT mounting part, the cylinder head cover is suitable for being fixed with the cylinder head, an OCV electromagnetic valve mounting part is arranged on the side wall of the cylinder head cover, the OCV electromagnetic valve is mounted on the OCV electromagnetic valve mounting part, the bottom end of the OCV electromagnetic valve mounting part downwardly protrudes out of the bottom wall of the cylinder head cover, the timing cover is positioned at the end part of the cylinder head, and the side wall of the timing cover is provided with an OCV electromagnetic valve mounting groove which is suitable for being embedded and matched with the OCV electromagnetic valve mounting part, one end of the VVT assembly facing the timing housing has a VVT boss aligned with the OCV solenoid mounting groove.

According to the utility model discloses engine, through set up OCV solenoid valve installation department on the cylinder head cover, not only can guarantee the normal installation of OCV solenoid valve, and be suitable for on the housing in right time to inlay with OCV solenoid valve installation department and establish complex OCV solenoid valve mounting groove, and the VVT bellying and the OCV solenoid valve mounting groove of VVT subassembly align, therefore, when needing to dismantle the VVT subassembly, the VVT bellying can stretch into in the OCV solenoid valve mounting groove, thereby can increase the distance that the VVT subassembly can axial displacement, and then conveniently take off the VVT subassembly, the maintenance of having guaranteed the VVT subassembly is swift.

According to some embodiments of the invention, the VVT assembly is mounted at the end of the camshaft through an oil pressure control valve.

Specifically, the VVT protruding portion is a return spring, and the return spring is connected with the VVT assembly.

Further, OCV solenoid valve installation department is the arc arch, OCV solenoid valve mounting groove is the arc recess, OCV solenoid valve installation department be suitable for with the laminating of OCV solenoid valve mounting groove, and is dismantling under the condition of cylinder head cover, return spring follows OCV solenoid valve mounting groove department reveals completely.

Further, the return spring may be moved to above the OCV solenoid valve mounting groove in a state where the cylinder head cover is removed.

Specifically, OCV solenoid valve installation department is convex arch, OCV solenoid valve mounting groove is convex recess, OCV solenoid valve mounting groove's radius is not less than return spring's radius.

Specifically, the VVT assembly includes: an intake VVT assembly and an exhaust VVT assembly, the intake VVT assembly including an intake oil pressure control valve, the exhaust VVT assembly including an exhaust oil pressure control valve, the camshaft including: intake camshaft and exhaust camshaft, the VVT subassembly with the camshaft passes through the bolt fastening, the bolt includes: air inlet bolt and exhaust bolt, return spring includes: the intake bolt penetrates through the intake VVT assembly and is connected with the intake engine oil pressure control valve in a threaded manner; and the exhaust bolt penetrates through the exhaust VVT component and is connected with the exhaust oil pressure control valve.

Further, the OCV valve mounting portion includes: OCV solenoid valve installation department and exhaust OCV solenoid valve installation department admits air, OCV solenoid valve mounting groove includes: intake OCV solenoid valve mounting groove and exhaust OCV solenoid valve mounting groove, intake OCV solenoid valve installation department be suitable for with intake OCV solenoid valve mounting groove inlays establishes the cooperation, exhaust OCV solenoid valve installation department be suitable for with exhaust OCV solenoid valve mounting groove inlays establishes the cooperation.

Further, the OCV solenoid valve includes: the OCV solenoid valve and the OCV solenoid valve of exhausting admits air, admit air the OCV solenoid valve with it links to each other to admit air the VVT subassembly, just it installs to admit air the OCV solenoid valve admit air OCV solenoid valve installation department, the OCV solenoid valve of exhausting with it links to each other to exhaust the VVT subassembly, just the OCV solenoid valve of exhausting is installed exhaust OCV solenoid valve installation department.

According to another aspect embodiment of the present invention, a vehicle includes the above-mentioned engine.

The vehicle has the same advantages of the engine compared with the prior art, and the detailed description is omitted.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 is a schematic illustration of an engine;

FIG. 2 is a schematic illustration of the engine with the cylinder head cover removed 1;

FIG. 3 is a schematic view of a cylinder head cover and timing housing;

fig. 4 is a schematic view of the engine with the cylinder head cover removed 2.

Reference numerals:

the engine 10, the cylinder head 1, the cylinder head cover 2, the OCV solenoid valve mounting portion 23, the intake OCV solenoid valve mounting portion 21, the exhaust OCV solenoid valve mounting portion 22, the timing cover 3, the OCV solenoid valve mounting groove 33, the intake OCV solenoid valve mounting groove 31, the exhaust OCV solenoid valve mounting groove 32, the VVT assembly 4, the intake VVT assembly 41, the exhaust VVT assembly 42, the OCV solenoid valve 45, the intake OCV solenoid valve 43, the exhaust OCV solenoid valve 44, the return spring 5, the intake VVT spring 51, the exhaust VVT spring 52, the camshaft 55, the intake camshaft 53, the exhaust camshaft 54, the bolt 6, the intake bolt 61, and the exhaust bolt 62.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

An engine 10 according to an embodiment of the present invention is described in detail below with reference to fig. 1-4.

Referring to fig. 1-2, 4, an engine 10 according to an embodiment of the present invention may include: cylinder head 1, camshaft 55, head cover 2 and timing housing 3, be equipped with the camshaft installation department in cylinder head 1, camshaft 55 installs in the camshaft installation department, be equipped with the VVT installation department on camshaft 55, VVT subassembly 4 is installed in the VVT installation department, head cover 2 is located the top of cylinder head 1, and head cover 2 is suitable for with cylinder head 1 fixed connection, be equipped with OCV solenoid valve installation department 23 on the lateral wall of head cover 2, OCV solenoid valve 45 installs in OCV solenoid valve installation department 23, and OCV solenoid valve 45 is connected with the 4 oil circuit of VVT subassembly, through set up OCV solenoid valve installation department 23 on head cover 2, the mountable of OCV solenoid valve 45 on engine 10 has been guaranteed, thereby the normal work of VVT subassembly 4 has.

Further, as shown in fig. 1-2 and 4, the bottom end of the OCV solenoid valve mounting portion 23 protrudes downward from the bottom wall of the cylinder head cover 2, the timing cover 3 is located at the end of the cylinder head 1, the timing cover 3 is fixedly connected to the cylinder head 1, and an OCV solenoid valve mounting groove 33 adapted to be fitted with the OCV solenoid valve mounting portion 23 is formed in the sidewall of the timing cover 3, that is, an OCV solenoid valve 45 is mounted on the cylinder head cover 2 provided with the OCV solenoid valve mounting portion 23, and an OCV solenoid valve mounting groove 33 adapted to be fitted with the OCV solenoid valve mounting portion 23 is formed in the timing cover 3. Furthermore, the OCV solenoid valve mounting portion 23 is adapted to be matched with the OCV solenoid valve mounting groove 33, so that good sealing performance of matching the timing cover 3 and the cylinder head cover 2 is ensured.

Further, as shown in fig. 2 and 4, one end of the VVT assembly 4 facing the timing housing 3 has a VVT protrusion aligned with the OCV solenoid mounting groove 33, and in a specific embodiment, the VVT protrusion is connected to the VVT assembly 4, so that when the VVT assembly 4 needs to be disassembled, the VVT assembly 4 and the VVT protrusion need to be taken out together, and the VVT assembly 4 is axially connected to the camshaft 55, so that the VVT assembly 4 needs to be moved axially before being removed, and the VVT assembly 4 can be removed normally after being separated from the camshaft 55.

Set up OCV solenoid valve mounting groove 33 on housing 3 in right time, and VVT boss aligns with OCV solenoid valve mounting groove 33, OCV solenoid valve mounting groove 33 is just right with the VVT boss promptly, therefore, when needs take out VVT subassembly 4 and VVT boss, at first carry out axial displacement to VVT subassembly 4 and VVT boss, the part of VVT boss can enter into OCV solenoid valve mounting groove 33, thereby can increase the distance that VVT subassembly 4 can axial displacement, guarantee that VVT subassembly 4 can break away from with the fitting piece smoothly, and then conveniently take off VVT subassembly 4, the maintenance of having guaranteed VVT subassembly 4 is swift.

It should be noted that the VVT assembly 4 of the engine 10 is a central VVT, and the VVT protrusion is a part of a valve actuating mechanism, specifically, the VVT protrusion is a return spring 5, the return spring 5 is connected to the VVT assembly 4, and the return spring 5 is arranged to return a valve in the VVT assembly 4, so as to ensure a normal operating cycle of the VVT assembly 4.

According to the utility model discloses engine 10, through set up OCV solenoid valve installation department 23 on cylinder head cover 2, not only can guarantee OCV solenoid valve 45's normal installation, and be equipped with on housing 3 in right time and be suitable for to inlay with OCV solenoid valve installation department 23 and establish complex OCV solenoid valve mounting groove 33, and VVT subassembly 4's VVT bellying aligns with OCV solenoid valve mounting groove 33, therefore, when needing to dismantle VVT subassembly 4, the VVT bellying can stretch into OCV solenoid valve mounting groove 33, thereby can increase VVT subassembly 4 axial displacement's distance, and then conveniently take off VVT subassembly 4, the maintenance of VVT subassembly 4 has been guaranteed swiftly.

Further, as shown in fig. 2 and 4, the VVT assembly 4 is mounted at an end of the camshaft 55 through an oil pressure control valve, specifically, the VVT assembly 4 includes the oil pressure control valve, and the oil pressure control valve can be sleeved on the camshaft, so as to achieve axial connection between the camshaft 55 and the VVT assembly 4, and the oil pressure control valve is threaded, so that a possibility is provided for fixedly connecting the VVT assembly 4 and the camshaft 55.

It should be noted that the camshaft 55 is also part of the valve train, wherein the camshaft 55 is used to control the opening or closing of the valves, and the VVT assembly 4 is axially connected to the camshaft 55 by means of the bolt 6. Therefore, when the valve actuating mechanism needs to be maintained, the OCV electromagnetic valve mounting groove 33 is formed in the timing housing 3, so that the VVT component 4 is convenient to disassemble, the camshaft 55 is convenient to disassemble, the valve actuating mechanism can be simply disassembled, and the valve actuating mechanism is convenient to maintain.

Further, OCV solenoid valve installation department 23 is the arc arch, OCV solenoid valve mounting groove 33 is the arc recess, OCV solenoid valve installation department 23 is suitable for laminating with OCV solenoid valve mounting groove 33, thereby guarantee that housing 3 seals with the cooperation of cylinder head cover 2 in right time, and under the condition of cylinder head cover 2 pulling down, return spring 5 appears from OCV solenoid valve mounting groove 33 completely, thereby guarantee when dismantling VVT subassembly 4, return spring 5 can stretch out from OCV solenoid valve mounting groove 33, and then guarantee that VVT subassembly 4 can take off smoothly.

Further, in the case of removing the cylinder head cover 2, the return spring 5 can be moved to above the OCV solenoid valve mounting groove 33, thereby ensuring that the return spring 5 can smoothly project from the OCV solenoid valve mounting groove 33 without hindrance.

Specifically, as shown in fig. 3, the OCV solenoid valve mounting portion 23 may be an arc-shaped protrusion, the OCV solenoid valve mounting groove 33 may be an arc-shaped groove, and a radius of the OCV solenoid valve mounting groove 33 is not smaller than a radius of the return spring 5, so as to ensure that the return spring 5 can extend into the OCV solenoid valve mounting groove 33, thereby ensuring that an axial movable distance of the VVT assembly 4 is large, and ensuring that the VVT assembly 4 can be easily removed.

Specifically, as shown in fig. 2 and 4, the VVT assembly 4 may include: an intake VVT assembly 41 and an exhaust VVT assembly 42, the intake VVT assembly 41 including an intake oil pressure control valve, the exhaust VVT assembly 42 including an exhaust oil pressure control valve, and the camshaft 55 may include: the intake camshaft 53 and the exhaust camshaft 54, and the VVT assembly 42 and the camshaft 55 are fixed by a bolt 6, and the bolt 6 may include: the intake bolt 61 and the exhaust bolt 62, and the return spring 5 may include: the intake VVT spring 51, the exhaust VVT spring 52, and the intake bolt 61 are threaded to the intake VVT assembly 41 and then are threaded to the intake oil pressure control valve, so that the intake VVT assembly 41 and the intake camshaft 53 are fixed, and the normal operation of the intake system of the engine 10 is ensured.

Further, the exhaust bolt 62 is threaded through the exhaust VVT assembly 42 and then is threadedly connected to the exhaust oil pressure control valve, so as to fix the exhaust VVT assembly 42 to the exhaust camshaft 54 and ensure that the exhaust system of the engine 10 operates normally.

Through setting up fixed VVT subassembly 4 of bolt 6 and camshaft 55, when needs are dismantled VVT subassembly 4, only need take off bolt 6, alright remove the operation to VVT subassembly 4, VVT subassembly 4 passes through bolted connection with camshaft 55, not only can guarantee that VVT subassembly 4 is connected reliably with camshaft 55, can also guarantee that VVT subassembly 4 and camshaft 55 dismantle simply.

Further, as shown in fig. 2 and 4, the OCV battery valve mounting portion may include: the intake OCV solenoid valve mounting portion 21 and the exhaust OCV solenoid valve mounting portion 22, the OCV solenoid valve mounting groove 33 may include: intake OCV solenoid valve mounting groove 31 and exhaust OCV solenoid valve mounting groove 32, the OCV solenoid valve installation department 21 of admitting air is suitable for and inlays to establish the cooperation with OCV solenoid valve mounting groove 31 of admitting air, and exhaust OCV solenoid valve installation department 22 is suitable for and inlays to establish the cooperation with exhaust OCV solenoid valve mounting groove 32 to the cooperation leakproofness of cylinder head cover 2 with housing 3 in right time has been guaranteed.

Further, as shown in fig. 1, the OCV solenoid valve 45 may include: the intake OCV electromagnetic valve 43 is connected with the exhaust OCV electromagnetic valve 44, the intake OCV electromagnetic valve 43 is connected with the oil path of the intake VVT assembly 41, and the intake OCV electromagnetic valve 43 is installed at the intake OCV electromagnetic valve installation part 21, so that the installation of the intake OCV electromagnetic valve 43 and the connection of the intake OCV and the VVT assembly 4 are ensured, and the normal work of the intake VVT assembly 41 is ensured.

Further, as shown in fig. 1, the exhaust OCV solenoid valve 44 is oil-connected to the exhaust VVT assembly 42, and the exhaust OCV solenoid valve 44 is installed at the exhaust OCV solenoid valve installation portion 22, so that the installation of the exhaust OCV solenoid valve 44 and the connection of the exhaust OCV to the exhaust VVT assembly 42 are ensured, and the normal operation of the exhaust VVT assembly 42 is ensured.

According to another aspect of the present invention, a vehicle includes the engine 10 described above.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. An engine, comprising:

a cylinder head having a camshaft mounting portion therein;

the camshaft is mounted on the camshaft mounting part, a VVT mounting part is arranged on the camshaft, and a VVT assembly is mounted on the VVT mounting part;

the cylinder head cover is suitable for being fixed with the cylinder cover, an OCV solenoid valve mounting part is arranged on the side wall of the cylinder head cover, the OCV solenoid valve is mounted on the OCV solenoid valve mounting part, and the bottom end of the OCV solenoid valve mounting part protrudes downwards out of the bottom wall of the cylinder head cover;

the timing housing, the timing housing is located the tip of cylinder head, just be equipped with on the lateral wall of timing housing be suitable for with OCV solenoid valve installation department inlays establishes complex OCV solenoid valve mounting groove, the orientation of VVT subassembly the one end of timing housing has the VVT bellying, the VVT bellying with OCV solenoid valve mounting groove aligns.

2. The engine of claim 1, wherein the VVT assembly is mounted at an end of the camshaft via an oil pressure control valve.

3. The engine of claim 2, wherein the VVT lobe is a return spring coupled to the VVT assembly.

4. The engine according to claim 3, wherein the OCV solenoid valve mounting portion is an arc-shaped protrusion, the OCV solenoid valve mounting groove is an arc-shaped groove, the OCV solenoid valve mounting portion is adapted to be fitted with the OCV solenoid valve mounting groove, and the return spring is completely exposed from the OCV solenoid valve mounting groove in a state where the cylinder head cover is removed.

5. The engine according to claim 4, characterized in that the return spring is movable to above the OCV solenoid valve mounting groove with the cylinder head cover removed.

6. The engine of claim 3, wherein the OCV solenoid valve mounting portion is an arc-shaped protrusion, the OCV solenoid valve mounting groove is an arc-shaped groove, and a radius of the OCV solenoid valve mounting groove is not smaller than a radius of the return spring.

7. The engine of claim 3, wherein the VVT assembly comprises: an intake VVT assembly and an exhaust VVT assembly, the intake VVT assembly including an intake oil pressure control valve, the exhaust VVT assembly including an exhaust oil pressure control valve, the camshaft including: intake camshaft and exhaust camshaft, the VVT subassembly with the camshaft passes through the bolt fastening, the bolt includes: air inlet bolt and exhaust bolt, return spring includes: the intake bolt penetrates through the intake VVT assembly and is connected with the intake engine oil pressure control valve in a threaded manner; and the exhaust bolt penetrates through the exhaust VVT component and is connected with the exhaust oil pressure control valve.

8. The engine according to claim 7, characterized in that the OCV solenoid valve mounting portion includes: OCV solenoid valve installation department and exhaust OCV solenoid valve installation department admits air, OCV solenoid valve mounting groove includes: intake OCV solenoid valve mounting groove and exhaust OCV solenoid valve mounting groove, intake OCV solenoid valve installation department be suitable for with intake OCV solenoid valve mounting groove inlays establishes the cooperation, exhaust OCV solenoid valve installation department be suitable for with exhaust OCV solenoid valve mounting groove inlays establishes the cooperation.

9. The engine according to claim 8, characterized in that the OCV solenoid valve includes: the OCV solenoid valve and the OCV solenoid valve of exhausting admits air, admit air the OCV solenoid valve with it links to each other to admit air the VVT subassembly, just it installs to admit air the OCV solenoid valve admit air OCV solenoid valve installation department, the OCV solenoid valve of exhausting with it links to each other to exhaust the VVT subassembly, just the OCV solenoid valve of exhausting is installed exhaust OCV solenoid valve installation department.

10. A vehicle characterized by comprising an engine according to any one of claims 1-9.