Diesel engine air cooler housing and diesel engine

Abstract

The embodiment of the present application provides a diesel engine air cooler housing and a diesel engine. By designing a diesel engine air cooler housing, the air cooler housing is integrally cast and the overall structure is a frame structure, which improves the structural strength of the housing; the air cooler housing is seated on the engine body in the form of a multi-bolt connection, and the bolts are arranged separately on two surfaces to enhance stability; the housing body integrates a supercharged lubricating oil return channel, a high-temperature water flow channel, a breathing system flow channel, an air cooler inlet and outlet, an explosion-proof valve interface, an air cooler discharge port, and a supercharger connection bolt hole, which improves the functional integration of the air cooler housing, thereby improving the utilization rate of the air cooler housing, and is conducive to the overall miniaturization design of the diesel engine.

Description

Technical Field

[0001] The present application relates to the technical field of diesel engines, and in particular to a diesel engine air cooler housing and a diesel engine. Background Art

[0002] The diesel engine air cooler housing is the main load-bearing component and heat exchange component of the diesel engine main engine, and undertakes the main function of heat exchange between air and cooling water in the diesel engine system. In view of the increasingly miniaturized design requirements of ship-borne diesel engines on some ship types, how to further integrate the functions of the diesel engine air cooler housing is a technical problem that needs to be solved urgently. Summary of the invention

[0003] The embodiment of the present application provides a diesel engine air cooler housing and a diesel engine.

[0004] In a first aspect, an embodiment of the present application provides a diesel engine air cooler housing, comprising: an air cooler housing body;

[0005] The first side of the air cooler shell body is provided with a first end face and a second end face perpendicular to each other, the first end face is parallel to the top face of the air cooler shell body, and the first end face and the second end face are respectively provided with a plurality of connecting holes, and the connecting holes are used to connect with the diesel engine body through bolts;

[0006] An air cooler air inlet cavity is arranged in the air cooler shell body, an air cooler installation inlet is arranged on the second side of the air cooler shell body, and an air cooler support end surface interface is arranged on the third side, the air cooler core can be assembled into the air cooler air inlet cavity through the air cooler installation inlet, abut the air cooler support end surface interface, and can be connected to the second side of the air cooler shell body through the air cooler water inlet and outlet shell to cover the air cooler installation inlet;

[0007] The air cooler shell body has a first side near the top surface and a third side with an air outlet for cooled air, the air outlet for cooled air is connected to the air inlet cavity of the air cooler, and a reserved air inlet explosion-proof valve interface is provided on one side of the top surface corresponding to the air outlet for cooled air;

[0008] An air cooler discharge outlet is provided on the third side of the air cooler housing body, and the air cooler discharge outlet is connected to the bottom of the air inlet cavity of the air cooler;

[0009] A high-temperature water flow channel is provided in the air cooler shell body, and a high-temperature water bypass inlet is opened in the high-temperature water flow channel corresponding to the second side of the air cooler shell body near the first side, and a high-temperature water bypass outlet is opened in the high-temperature water flow channel corresponding to the top surface of the air cooler shell body near the first side and the second side;

[0010] A pressurized lubricating oil return channel is arranged in the air cooler housing body for returning the pressurized lubricating oil into the diesel engine body. The pressurized lubricating oil channel corresponds to the top surface of the air cooler housing body near the second side adjacent to the high-temperature water bypass outlet and is provided with a supercharger lubricating oil outlet.

[0011] In some optional embodiments, the back surface of the second end surface is connected to the bottom surface of the air cooler shell body through the air cooler shell support feet.

[0012] In some optional embodiments, a supercharger connection interface bolt hole is provided on the top surface of the air cooler shell body around the supercharger lubricating oil outlet for connecting a supercharger connection block.

[0013] In some optional embodiments, a zigzag breathing system flow channel is arranged adjacent to the high-temperature water flow channel on the first side of the air cooler shell body, and a breathing system flow port inlet is opened in the breathing system flow channel corresponding to the first end face, and a breathing system flow port outlet is opened on the back side corresponding to the first end face.

[0014] In some optional embodiments, the air cooler shell body is formed by integral casting, and the overall structure is a frame structure.

[0015] In a second aspect, an embodiment of the present application provides a diesel engine, comprising a diesel engine air cooler housing as described in any embodiment of the first aspect.

[0016] The above-mentioned embodiment of the present application designs a diesel engine air cooler housing, the air cooler housing is integrally cast, and the overall structure is a frame structure, which improves the structural strength of the housing; the air cooler housing is seated on the engine body in the form of multiple bolts, and the bolts are arranged separately on two sides to enhance stability; the housing body integrates the boost lubricating oil return channel, high-temperature water flow channel, breathing system flow channel, air cooler inlet and outlet, explosion-proof valve interface, air cooler discharge port and supercharger connection bolt hole, thereby improving the functional integration of the air cooler housing, thereby improving the utilization rate of the air cooler housing, and is conducive to the overall miniaturization design of the diesel engine. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings illustrate generally, by way of example and not limitation, various embodiments discussed herein.

[0018] Figure 1 A side structural schematic diagram of a diesel engine air cooler housing in this application;

[0019] Figure 2 This is another side structural schematic diagram of the diesel engine air cooler housing of the present application;

[0020] Figure 3 This is another side structural schematic diagram of the diesel engine air cooler housing of the present application;

[0021] Figure 4 This is an exploded view of the external parts of the air cooler shell;

[0022] Figure 5 For the corresponding Figure 4 Schematic diagram of the structure of the external parts of the air cooler shell;

[0023] Figure 6 It is a schematic diagram of the cross-sectional structure of the supercharger lubricating oil channel;

[0024] Figure 7 It is a schematic diagram of the cross-sectional structure of the high-temperature water flow channel;

[0025] Figure 8 Schematic diagram of the tortuous respiratory system flow path structure.

[0026] Explanation of symbols:

[0027] 11-Air cooler shell body; 12-Air cooler air inlet cavity; 13-Air cooler installation entrance; 14-Air cooler support end face interface; 15-Air cooler cooling air outlet; 16-Reserved intake explosion-proof valve interface; 17-Air cooler discharge outlet; 18-High-temperature water flow channel; 19-High-temperature water bypass inlet; 21-First end face; 22-Second end face; 23-Connecting hole; 24-High-temperature water bypass outlet; 25-Boost lubricating oil channel; 26-Supercharger lubricating oil outlet; 27-Air cooler shell support foot; 28-Breathing system flow channel; 29-Breathing system flow port inlet; 30-Breathing system flow port outlet; 31-Diesel engine body; 32-Air cooler seating surface; 33-Air cooler core; 34-Air cooler water inlet and outlet shell; 35-Supercharger connecting block; 36-Supercharger connecting interface bolt hole. DETAILED DESCRIPTION

[0028] In order to enable a more detailed understanding of the features and technical contents of the embodiments of the present application, the implementation of the embodiments of the present application is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present application.

[0029] In the embodiments of the present application, it should be noted that, unless otherwise specified and limited, the term "connection" should be understood in a broad sense. For example, it can be an electrical connection or a connection between two components. It can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0030] It should be noted that the terms "first\second\third" involved in the embodiments of the present application are only used to distinguish similar objects, and do not represent a specific order for the objects. It is understandable that the specific order or sequence of "first\second\third" can be interchanged where permitted. It should be understood that the objects distinguished by "first\second\third" can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0031] Figures 1 to 3 The present invention provides a diesel engine air cooler housing from different perspectives. Figures 1 to 3 As shown, the diesel engine air cooler housing includes: an air cooler housing body 11.

[0032] The first side of the air cooler housing body 11 is provided with a first end face 21 and a second end face 22 perpendicular to each other, the first end face 22 is parallel to the top surface of the air cooler housing body 11, and the first end face 21 and the second end face 22 are respectively provided with a plurality of connection holes 23, and the connection holes 23 are used to connect with the diesel engine body 31 through bolts. Figure 4 and Figure 5 As shown, the air cooler housing body 11 is seated on the air cooler seating surface 32 of the diesel engine body 31 by bolt connection.

[0033] An air cooler air inlet cavity 12 is arranged in the air cooler shell body 11 , an air cooler installation inlet 13 is opened on the second side of the air cooler shell body 11 , and an air cooler support end surface interface 14 is opened on the third side.

[0034] like Figure 4 and Figure 5 As shown, the air cooler core 33 can be assembled into the air cooler air inlet cavity 12 through the air cooler installation inlet 13, abut the air cooler support end surface interface 14, and can be connected to the second side of the air cooler shell body 11 through the air cooler water inlet and outlet shell 34 to cover the air cooler installation inlet 13.

[0035] An air cooler cooling air outlet 15 is provided on the first side near the top surface and the third side of the air cooler shell body 11. The air cooler cooling air outlet 15 is connected to the air cooler intake cavity 12. A reserved intake explosion-proof valve interface 16 is provided on one side corresponding to the top surface of the air cooler cooling air outlet 15.

[0036] An air cooler discharge outlet 17 is formed on the third side of the air cooler shell body 11 . The air cooler discharge outlet 17 is connected to the bottom of the air inlet cavity 12 of the air cooler.

[0037] like Figure 7As shown, a high-temperature water flow channel 18 is provided in the air cooler shell body 11, and a high-temperature water bypass inlet 19 is provided at the second side of the air cooler shell body 11 near the first side, and a high-temperature water bypass outlet 24 is provided at the top surface of the air cooler shell body 11 near the first side and the second side. The high-temperature water flow channel 18 is used for the return of high-temperature water in the machine body.

[0038] like Figure 6 As shown, a pressurized lubricating oil return channel 25 is provided in the air cooler shell body 11 for returning the pressurized lubricating oil to the diesel engine body 31 , and a supercharger lubricating oil outlet 26 is provided in the pressurized lubricating oil channel 25 corresponding to the top surface of the air cooler shell body 11 near the second side adjacent to the high-temperature water bypass outlet.

[0039] In some optional embodiments, such as Figure 3 As shown, the back surface of the second end surface 22 is connected to the bottom surface of the air cooler shell body 11 through the air cooler shell support foot 27.

[0040] In some optional embodiments, such as Figure 3 As shown, the top surface of the air cooler housing body 11 is provided with a supercharger connection interface bolt hole 36 around the supercharger lubricating oil outlet 26, as shown in FIG. Figure 4 and Figure 5 As shown, the supercharger connection interface bolt hole 36 is used to connect the supercharger connection block 35 .

[0041] In some optional embodiments, such as Figure 8 As shown, a zigzag breathing system flow channel 28 is provided adjacent to the high temperature water flow channel 18 on the first side of the air cooler housing body 11. The breathing system flow channel 28 has a breathing system flow port inlet 29 corresponding to the first end face 21, and has a breathing system flow port outlet 30 corresponding to the back side of the first end face 21. The airflow direction in the breathing system flow channel 28 is as shown in FIG. Figure 8 The breathing system flow channel 28 is a built-in pipe of the breathing system on the air cooler shell. The zigzag pipe design is equivalent to adding a layer of wall droplet separation to better separate the oil droplets in the air.

[0042] In some optional embodiments, the air cooler shell body 11 is formed by integral casting, and the overall structure is a frame structure.

[0043] The above-mentioned embodiment of the present application designs a diesel engine air cooler housing, the air cooler housing is integrally cast, and the overall structure is a frame structure, which improves the structural strength of the housing; the air cooler housing is seated on the engine body in the form of multiple bolts, and the bolts are arranged separately on two sides to enhance stability; the housing body integrates the boost lubricating oil return channel, high-temperature water flow channel, breathing system flow channel, air cooler inlet and outlet, explosion-proof valve interface, air cooler discharge port and supercharger connection bolt hole, thereby improving the functional integration of the air cooler housing, thereby improving the utilization rate of the air cooler housing, and is conducive to the overall miniaturization design of the diesel engine.

[0044] An embodiment of the present application provides a diesel engine, comprising a diesel engine air cooler housing as described in any of the above embodiments.

[0045] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of disclosure involved in the present application is not limited to the technical solutions formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above disclosed concept. For example, the above features are formed by replacing each other with the technical features with similar functions disclosed in this application (but not limited to).

Claims

1. A diesel engine air cooler housing, characterized in that: include: Air cooler shell body; The first side of the air cooler shell body is provided with a first end face and a second end face perpendicular to each other, the first end face is parallel to the top face of the air cooler shell body, and the first end face and the second end face are respectively provided with a plurality of connecting holes, and the connecting holes are used to connect with the diesel engine body through bolts; An air cooler air inlet cavity is arranged in the air cooler shell body, an air cooler installation inlet is arranged on the second side of the air cooler shell body, and an air cooler support end surface interface is arranged on the third side, the air cooler core can be assembled into the air cooler air inlet cavity through the air cooler installation inlet, abut the air cooler support end surface interface, and can be connected to the second side of the air cooler shell body through the air cooler water inlet and outlet shell to cover the air cooler installation inlet; The air cooler shell body has a first side near the top surface and a third side with an air outlet for cooled air, the air outlet for cooled air is connected to the air inlet cavity of the air cooler, and a reserved air inlet explosion-proof valve interface is provided on one side of the top surface corresponding to the air outlet for cooled air; An air cooler discharge outlet is provided on the third side of the air cooler housing body, and the air cooler discharge outlet is connected to the bottom of the air inlet cavity of the air cooler; A high-temperature water flow channel is provided in the air cooler shell body, and a high-temperature water bypass inlet is opened in the high-temperature water flow channel corresponding to the second side of the air cooler shell body near the first side, and a high-temperature water bypass outlet is opened in the high-temperature water flow channel corresponding to the top surface of the air cooler shell body near the first side and the second side; A pressurized lubricating oil return channel is arranged in the air cooler housing body for returning the pressurized lubricating oil into the diesel engine body. The pressurized lubricating oil channel corresponds to the top surface of the air cooler housing body near the second side adjacent to the high-temperature water bypass outlet and is provided with a supercharger lubricating oil outlet.

2. The diesel engine air cooler housing according to claim 1, characterized in that: The back side of the second end surface is connected to the bottom surface of the air cooler shell body through the air cooler shell supporting feet.

3. The diesel engine air cooler housing according to claim 1, characterized in that: The top surface of the air cooler shell body is provided with supercharger connection interface bolt holes around the supercharger lubricating oil outlet for connecting the supercharger connection block.

4. The diesel engine air cooler housing according to claim 1, characterized in that: A zigzag breathing system flow channel is arranged adjacent to the high-temperature water flow channel on the first side of the air cooler shell body. The breathing system flow channel has a breathing system flow port inlet corresponding to the first end face and a breathing system flow port outlet corresponding to the back side of the first end face.

5. The diesel engine air cooler housing according to claim 1, characterized in that: The air cooler shell body is formed by integral casting, and the overall structure is a frame structure.

6. A diesel engine, characterized in that: The diesel engine air cooler housing comprises the housing as claimed in any one of claims 1 to 5.

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