Engine timing chamber cover, engine timing chamber, engine and vehicle

Abstract

The utility model discloses an engine timing chamber cover, an engine timing chamber, an engine and a vehicle, belongs to the technical field of automobiles, and aims to optimize arrangement of internal components of the engine, improve system performance and reduce manufacturing cost. The engine timing chamber cover cap comprises a timing chamber cover cap shell, and a two-stage variable displacement oil pump shell is integrally arranged in the timing chamber cover cap shell to form an integrated structure. Wherein the two-stage variable displacement oil pump is directly driven through a crankshaft, a traditional chain transmission system is not needed, and the friction loss and the gas content of the oil are effectively reduced. According to the design, parts such as a chain, a gear and a tensioner are omitted, so that the structure is simplified, the occupied space is reduced, and the arrangement adaptability of the oil pan is improved. The technical scheme not only has remarkable advantages in the aspects of manufacturing and maintenance, but also can effectively improve the working efficiency and reliability of the engine.

Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, and more specifically, to an engine timing chamber cover, an engine timing chamber, an engine and a vehicle. Background Art

[0002] With the development of automotive engine technology, improving engine efficiency and reducing emissions have become important research directions. The traditional oil pump system is usually installed in the oil pan and driven by components such as the crankshaft and chain. Although this design performs well in terms of stability, it also has certain defects, especially in terms of cost and space utilization.

[0003] The existing two-stage variable displacement oil pump generally adopts a chain drive method, which easily leads to an increase in frictional losses. At the same time, due to the movement of the chain, the oil is agitated, increasing the gas content in the oil and affecting the lubrication effect. In addition, the complexity of the chain drive system also increases the manufacturing and maintenance costs, and in some cases, the chain drive system may cause noise problems, which is not ideal for modern vehicles pursuing comfort.

[0004] At the same time, since the oil pump is installed in the oil pan, it not only occupies the space in the oil pan, resulting in the need to increase the volume of the oil pan accordingly, thus affecting the chassis height of the vehicle. In addition, the adaptability between different vehicle models is also limited, increasing the difficulty of design and manufacturing. Therefore, how to optimize the layout of the oil pump, reduce the manufacturing and maintenance costs, and improve the engine performance has become an important problem to be solved in the current technical field. Summary of the Utility Model

[0005] The utility model provides an engine timing chamber cover, an engine timing chamber, an engine and a vehicle to overcome the above-mentioned disadvantages of the prior art.

[0006] To solve the above technical problems, the technical solution of the utility model is as follows:

[0007] An engine timing chamber cover, the engine timing chamber cover includes a timing chamber cover housing, and a two-stage variable displacement oil pump housing is integrally provided on the timing chamber cover housing, and the timing chamber cover housing and the two-stage variable displacement oil pump housing are integrally formed;

[0008] A two-stage variable displacement oil pump cover covering the two-stage variable displacement oil pump housing is installed inside the timing chamber cover housing, and a first cavity for installing the two-stage variable displacement oil pump is formed between the two-stage variable displacement oil pump cover and the two-stage variable displacement oil pump housing;

[0009] A low-pressure oil inlet hole and a high-pressure oil outlet hole are provided on the pump cover of the secondary variable-displacement oil pump, and the high-pressure oil outlet hole is connected to the engine main oil passage.

[0010] Furthermore, a feedback oil passage is also provided on the pump cover of the secondary variable-displacement oil pump. An electromagnetic valve is installed on the timing chamber cover housing. One end of the electromagnetic valve is connected to the feedback oil passage, and the other end of the electromagnetic valve is connected to the engine main oil passage. The electromagnetic valve is used to control the opening and closing of the feedback oil passage to adjust the oil pressure of the engine main oil passage.

[0011] Furthermore, the timing chamber cover housing, the secondary variable-displacement oil pump housing, and the pump cover of the secondary variable-displacement oil pump are all made of aluminum alloy material.

[0012] An engine timing chamber, the engine timing chamber includes a timing chamber body that can be installed on the engine and an engine timing chamber cover for covering the timing chamber body, and the engine timing chamber cover adopts the aforementioned engine timing chamber cover.

[0013] Furthermore, a secondary variable-displacement oil pump is installed between the pump cover of the secondary variable-displacement oil pump and the secondary variable-displacement oil pump housing, and the secondary variable-displacement oil pump is provided with an oil pump rotor.

[0014] Furthermore, the oil pump rotor is connected to the crankshaft and is directly driven by the crankshaft.

[0015] Furthermore, the low-pressure oil inlet hole is connected to the secondary variable-displacement oil pump, so that the secondary variable-displacement oil pump can suck the engine oil in the oil sump of the engine through the low-pressure oil inlet hole as an inlet and pressurize the sucked engine oil under the action of the oil pump rotor.

[0016] Furthermore, the high-pressure oil outlet hole is connected to the secondary variable-displacement oil pump, and is used to flow the engine oil pressurized by the secondary variable-displacement oil pump out of the secondary variable-displacement oil pump to the engine main oil passage.

[0017] An engine, the engine includes a body and an engine timing chamber installed in the body, and the engine timing chamber adopts the aforementioned engine timing chamber.

[0018] A vehicle, the vehicle includes the aforementioned engine.

[0019] Compared with the prior art, the beneficial effects of the technical solution of the present utility model are:

[0020] The present utility model provides an engine timing chamber cover, an engine timing chamber, an engine and a vehicle. By integrating a two-stage variable displacement oil pump into the engine timing chamber cover, the structure of the oil pump system is simplified, the traditional chain drive system is cancelled, and the friction loss and oil gas content are reduced. At the same time, the solenoid valve is used to control the oil pressure mode, enabling the engine to automatically adjust the oil pressure under different working conditions, improving the response speed and efficiency of the engine. This integrated design not only reduces the occupied space, improves the layout adaptability of the oil pan, but also reduces the manufacturing and maintenance costs, enhances the adaptability of the engine in various vehicle models, and thus provides important support for improving the fuel economy and overall performance of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0022] Figure 1 It is a schematic diagram of the inner side of the engine timing chamber cover provided in an embodiment of the present application;

[0023] Figure 2 It is a schematic diagram of the outer side of the engine timing chamber cover provided in an embodiment of the present application;

[0024] Figure 3 It is a three-dimensional structure schematic diagram of the engine timing chamber cover provided in an embodiment of the present application;

[0025] Figure 4 It is a structural schematic diagram of the inner side of the engine timing chamber cover provided in an embodiment of the present application;

[0026] Figure 5 It is a structural schematic diagram of the outer side of the engine timing chamber cover provided in an embodiment of the present application;

[0027] Figure 6 It is a three-dimensional structure schematic diagram of the inner side of the engine timing chamber cover provided in an embodiment of the present application;

[0028] Figure 7 It is a three-dimensional structure schematic diagram of the outer side of the engine timing chamber cover provided in an embodiment of the present application;

[0029] Marking description in the figure: 1. Timing chamber cover housing; 2. Secondary variable displacement oil pump housing; 3. Secondary variable displacement oil pump cover; 4. Solenoid valve; 5. Feedback oil passage; 6. Low-pressure oil inlet hole; 7. High-pressure oil outlet hole; 8. Oil pump rotor. Detailed implementation mode

[0030] In order to better understand the purpose, structure and function of the present utility model, the technical solution of the present utility model will be further described in detail below with reference to the drawings and specific preferred embodiments.

[0031] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "left side", "right side", "upper part", "lower part", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. "First", "second", etc. do not indicate the importance of the components, so it cannot be understood as a limitation to the present utility model. The specific dimensions adopted in the embodiments are only for illustrating the technical solution by way of example, and do not limit the protection scope of the present utility model. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0032] Unless otherwise clearly specified and defined, terms such as "installation", "setting", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0033] Embodiment 1:

[0034] As Figures 1-7 shown, the present utility model provides a technical solution:

[0035] An engine timing chamber cover, the engine timing chamber cover includes a timing chamber cover housing 1, and a secondary variable displacement oil pump housing 2 is integrally provided on the timing chamber cover housing 1, and the timing chamber cover housing 1 and the secondary variable displacement oil pump housing 2 are integrally formed;

[0036] A secondary variable displacement oil pump cover 3 covering the secondary variable displacement oil pump housing 2 is installed inside the timing chamber cover housing 1, and a first cavity for installing the secondary variable displacement oil pump is formed between the secondary variable displacement oil pump cover 3 and the secondary variable displacement oil pump housing 2;

[0037] A low-pressure oil inlet hole 6 and a high-pressure oil outlet hole 7 are provided on the pump cover 3 of the secondary variable-displacement oil pump, and the high-pressure oil outlet hole 7 is connected to the engine main oil gallery.

[0038] In this embodiment, by integrating the secondary variable-displacement oil pump into the timing chamber cover housing to form an integrated structure, not only the installation of the oil pump system is simplified, but also the occupied space is reduced, thereby optimizing the overall layout of the engine.

[0039] Embodiment 2:

[0040] On the basis of Embodiment 1, referring to Figures 1-7 , a feedback oil passage 5 is further provided on the pump cover 3 of the secondary variable-displacement oil pump, a solenoid valve 4 is installed on the timing chamber cover housing 1, one end of the solenoid valve 4 is connected to the feedback oil passage 5, the other end of the solenoid valve 4 is connected to the engine main oil gallery, the oil pressure in the main oil gallery is low when the solenoid valve is energized, and the main oil gallery is at high pressure when the solenoid valve is de-energized; through the energization and de-energization of the solenoid valve 4, the secondary variable-displacement oil pump has two modes: high pressure and low pressure; the solenoid valve 4 is used to control the opening and closing of the feedback oil passage 5 to adjust the oil pressure in the engine main oil gallery.

[0041] Furthermore, the timing chamber cover housing 1, the secondary variable-displacement oil pump housing 2, and the pump cover 3 of the secondary variable-displacement oil pump are all made of aluminum alloy.

[0042] This embodiment introduces a solenoid valve to control the oil pressure mode. By adjusting the high-pressure and low-pressure modes through energization and de-energization, the oil pressure can be automatically adjusted according to the needs of the engine, thereby improving the efficiency and response speed of the engine. At the same time, the design of the feedback oil passage enables the system to adjust the oil pressure in real time, further enhancing the performance and stability of the engine.

[0043] Embodiment 3:

[0044] The present utility model provides a technical solution:

[0045] An engine timing chamber, the engine timing chamber includes a timing chamber body that can be installed on the engine and an engine timing chamber cover for covering the timing chamber body, and the engine timing chamber cover adopts the aforementioned engine timing chamber cover.

[0046] Furthermore, a secondary variable-displacement oil pump is installed between the pump cover 3 of the secondary variable-displacement oil pump and the secondary variable-displacement oil pump housing 2, referring to Figure 1 or Figure 4 , the secondary variable-displacement oil pump is provided with an oil pump rotor 8.

[0047] Further, the oil pump rotor 8 is connected to the crankshaft. Specifically, the oil pump rotor 8 is directly driven by the crankshaft through its flat square structure, and the secondary variable displacement oil pump has no gears, drive chains, or tensioning mechanisms.

[0048] Further, the low-pressure oil inlet hole 6 is connected to the secondary variable displacement oil pump, enabling the secondary variable displacement oil pump to suck the engine oil from the oil pan of the engine through the low-pressure oil inlet hole 6 as an inlet and pressurize the sucked engine oil under the action of the oil pump rotor 8.

[0049] Further, the high-pressure oil outlet hole 7 is connected to the secondary variable displacement oil pump, and is used to flow the engine oil pressurized by the secondary variable displacement oil pump out of the secondary variable displacement oil pump to the engine main oil gallery.

[0050] This embodiment demonstrates how to apply the timing chamber cover integrated with the secondary variable displacement oil pump to the engine timing chamber. By canceling the traditional drive chain system and directly driving the oil pump rotor by the crankshaft, the structure is made more concise, and the frictional losses of the system are reduced.

[0051] Embodiment 4:

[0052] The present utility model provides a technical solution:

[0053] An engine, the engine includes a body and an engine timing chamber installed in the body, and the engine timing chamber adopts the aforementioned engine timing chamber.

[0054] This embodiment applies the optimized engine timing chamber to a specific engine, further verifying the effectiveness of this design in actual use, improving the overall performance of the engine, and adapting to various vehicles.

[0055] Embodiment 5:

[0056] The present utility model provides a technical solution: A vehicle, the vehicle includes the aforementioned engine. By applying the engine integrated with this timing chamber cover to the vehicle, it proves the wide adaptability of this technical solution on the vehicle, especially having significant effects in improving fuel economy and reducing vehicle maintenance costs.

[0057] Obviously, the above embodiments of the present utility model are merely examples for clearly illustrating the present utility model, rather than limiting the implementation manners of the present utility model. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims

1. An engine timing chamber cover, characterized in that: The engine timing chamber cover comprises a timing chamber cover shell (1), a two-stage variable displacement oil pump shell (2) is integrated on the timing chamber cover shell (1), and the timing chamber cover shell (1) and the two-stage variable displacement oil pump shell (2) are integrally formed; A secondary variable displacement oil pump cover (3) covering the secondary variable displacement oil pump housing (2) is installed on the inner side of the timing chamber cover housing (1), and a first cavity for installing the secondary variable displacement oil pump is formed between the secondary variable displacement oil pump cover (3) and the secondary variable displacement oil pump housing (2); The pump cover (3) of the two-stage variable displacement oil pump is provided with a low-pressure oil inlet hole (6) and a high-pressure oil outlet hole (7), and the high-pressure oil outlet hole (7) is connected to the main oil channel of the engine.

2. The engine timing chamber cover according to claim 1, characterized in that: The two-stage variable displacement oil pump cover (3) is also provided with a feedback oil passage (5), and the timing chamber cover housing (1) is provided with a solenoid valve (4), one end of the solenoid valve (4) is connected to the feedback oil passage (5), and the other end of the solenoid valve (4) is connected to the main oil passage of the engine, and the solenoid valve (4) is used to control the opening and closing of the feedback oil passage (5) to adjust the oil pressure of the main oil passage of the engine.

3. The engine timing chamber cover according to claim 1, characterized in that: The timing chamber cover housing (1), the two-stage variable displacement oil pump housing (2) and the two-stage variable displacement oil pump cover (3) are all made of aluminum alloy.

4. An engine timing chamber, characterized in that: The engine timing chamber comprises a timing chamber body that can be installed on an engine and an engine timing chamber cover for covering the timing chamber body. The engine timing chamber cover adopts the engine timing chamber cover as described in any one of claims 1-3.

5. The engine timing chamber according to claim 4, characterized in that: A two-stage variable displacement oil pump is installed between the two-stage variable displacement oil pump cover (3) and the two-stage variable displacement oil pump housing (2), and the two-stage variable displacement oil pump is provided with an oil pump rotor (8).

6. The engine timing chamber according to claim 5, characterized in that: The oil pump rotor (8) is connected to a crankshaft and is directly driven by the crankshaft.

7. The engine timing chamber according to claim 5, characterized in that: The low-pressure oil inlet hole (6) is connected to the two-stage variable displacement oil pump, so that the two-stage variable displacement oil pump can use the low-pressure oil inlet hole (6) as an inlet to suck oil from the oil pan of the engine and perform pressurization processing on the sucked oil under the action of the oil pump rotor (8).

8. The engine timing chamber according to claim 5, characterized in that: The high-pressure oil outlet hole (7) is connected to the two-stage variable displacement oil pump and is used to allow the oil pressurized by the two-stage variable displacement oil pump to flow out from the two-stage variable displacement oil pump to the main oil channel of the engine.

9. An engine, characterized in that: The engine comprises an engine body and an engine timing chamber installed in the engine body, and the engine timing chamber adopts the engine timing chamber as described in any one of claims 4-8.

10. A vehicle, characterized in that: The vehicle includes the engine of claim 9.

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