Diesel engine flywheel housing

Abstract

The diesel engine flywheel shell comprises a shell body, the shell body comprises a main body part and a mounting part integrally formed with the main body part, an assembling boss, a first connecting part and a second connecting part are connected to the circumferential outer side wall of the main body part, and an assembling groove is formed in the assembling boss; a threaded hole is formed in the bottom wall of the assembly groove, one end of the assembly boss is connected with the installation part, and a fixing part for a steel wire thread insert to be embedded in is connected to the outer side wall of the shell. The main body part and the mounting part are integrally formed, meanwhile, the assembling boss for mounting and fixing external parts, the first connecting part and the second connecting part are connected to the circumferential outer side wall of the main body part, the external parts are convenient to mount, and the overall structure of the shell is reasonably arranged in the limited space of the engine, so that the overall structure of the shell is compact; therefore, the shell is light in weight, convenient to maintain, time-saving and labor-saving.

Description

Technical Field

[0001] The present application relates to the field of diesel engine parts, and in particular to a diesel flywheel housing. Background Art

[0002] The diesel engine flywheel housing is a core component to ensure the smooth operation of the diesel engine. It is mainly made of high-strength cast iron or steel to firmly accommodate and protect the flywheel. The flywheel housing not only supports the flywheel with a large mass to store and release energy and maintain the stability of the engine speed, but also acts as a key connector in the transmission system to ensure the precise docking between the flywheel and the clutch or gearbox to achieve efficient power transmission. In addition, it also has a protective function by isolating the flywheel, preventing external damage and maintaining sealing, blocking the invasion of pollutants, and providing the flywheel with the necessary support frame to enhance the stability of the entire transmission system. During maintenance, it is very important to check the integrity, tightness and sealing effect of the flywheel housing, and ensure that high-quality accessories are used for any necessary replacement or repair to maintain the optimal performance and safe operation of the engine.

[0003] At present, the patent with announcement number CN103822058A discloses a flywheel housing for a diesel engine, including a flywheel housing body made of gray cast iron material, a sealing gasket consistent with the shape of the end face is installed on the front end face of the flywheel housing body; an observation hole is arranged at the upper end of the flywheel housing body; a speed sensor interface for a mechanical pump is arranged on one side of the flywheel housing body; and a speed sensor interface for a common rail pump is arranged at the upper end of the flywheel housing body.

[0004] With respect to the above-mentioned related technologies, the inventors believe that the following defects exist: the flywheel housing has the problems of being heavy and difficult to maintain during application, and therefore needs to be improved. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present application provides a diesel engine flywheel housing, aiming to solve the above problems.

[0006] A diesel engine flywheel housing comprises a shell, the shell comprising a main body and a mounting portion integrally formed with the main body, an assembly boss, a first connecting portion and a second connecting portion are connected to the circumferential outer wall of the main body, an assembly groove is provided on the assembly boss, a threaded hole is provided on the bottom wall of the assembly groove, one end of the assembly boss is connected to the mounting portion, and a fixing portion for embedding a wire screw sleeve is connected to the outer wall of the shell.

[0007] By adopting the above technical solution, the main body and the mounting portion are integrally formed, and at the same time, the circumferential outer side wall of the main body is connected with an assembly boss, a first connecting portion and a second connecting portion for mounting and fixing external components. The external components are easy to install, and the overall structure of the housing is reasonably arranged within the limited space of the engine, so that the overall structure of the housing is compact, thereby making the housing lightweight, easy to maintain, and saving time and effort.

[0008] Optionally, the first connecting portion includes at least two first mounting platforms, and each of the first mounting platforms is provided with a threaded hole.

[0009] By adopting the above technical solution, the external components can be fixed on the first mounting platform by screws.

[0010] Optionally, first reinforcement bars are connected between adjacent first mounting platforms.

[0011] By adopting the above technical solution, the first reinforcement strip can improve the connection firmness between the first mounting platforms, thereby reducing the occurrence of deflection or breakage of the first mounting platforms.

[0012] Optionally, the second connecting portion includes at least four second mounting platforms, each of which is provided with a threaded hole, and second reinforcing bars are connected between adjacent second mounting platforms.

[0013] By adopting the above technical solution, the external components are fixed to the second mounting platform by screws, and the second reinforcement strip can increase the structural firmness of all the second mounting platforms, thereby reducing the occurrence of deflection or breakage of the second mounting platforms.

[0014] Optionally, a plurality of mounting holes are provided at intervals along the circumferential direction on a side of the main body away from the mounting portion.

[0015] Optionally, a plurality of reinforcing ribs are connected between the main body and the mounting portion.

[0016] By adopting the above technical solution, the reinforcing ribs can improve the connection strength between the main body and the mounting portion, thereby improving the overall strength of the flywheel housing.

[0017] Optionally, the shell is made of aluminum alloy.

[0018] By adopting the above technical solution, the shell made of aluminum alloy is lighter than the shell made of cast iron, and is more convenient to disassemble and assemble, saving time and effort.

[0019] In summary, the present application includes at least one of the following beneficial technical effects:

[0020] 1. The main body and the mounting portion are integrally formed, and at the same time, the circumferential outer side wall of the main body is connected with an assembly boss, a first connecting portion and a second connecting portion for fixing external components, so that external components are easy to install. The overall structure of the housing is reasonably arranged in the limited space of the engine, so that the overall structure of the housing is compact, thereby making the housing lightweight, easy to maintain, and saving time and effort.

[0021] 2. The external components are fixed to the second mounting platform by screws, and the second reinforcement strip can increase the structural firmness of all the second mounting platforms, thereby reducing the occurrence of deflection or breakage of the second mounting platforms.

[0022] 3. The reinforcing ribs can improve the connection strength between the main body and the mounting part, thereby improving the overall strength of the flywheel housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application.

[0024] Figure 2 It is a schematic diagram of the structure of the embodiment of the present application from another perspective.

[0025] Description of reference numerals:

[0026] 1. Shell; 2. Main body; 31. Assembly boss; 311. Assembly groove; 32. First connecting portion; 321. First mounting platform; 322. First reinforcing strip; 33. Second connecting portion; 331. Second mounting platform; 332. Second reinforcing strip; 34. Fixing portion; 35. Mounting hole; 3. Mounting portion; 4. Reinforcing rib. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the present application, the present application is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or there can be one or more centered elements therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or there can be one or more centered elements therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this specification are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in this specification includes any and all combinations of one or more of the related listed items.

[0029] The present application embodiment discloses a diesel engine flywheel housing. Figure 1 and Figure 2 , comprising a housing 1 made of aluminum alloy, the housing 1 comprising a cylindrical main body 2 and a mounting portion 3 integrally formed with the main body 2. The housing 1 made of aluminum alloy is lighter than the housing 1 made of cast iron, and is more convenient to disassemble and assemble, saving time and effort.

[0030] Reference Figure 1 and Figure 2 , an assembly boss 31, a first connecting portion 32 and a second connecting portion 33 are integrally formed on the circumferential outer wall of the main body 2. An assembly groove 311 is provided on the assembly boss 31, and a threaded hole is provided on the bottom wall of the assembly groove 311. One end of the assembly boss 31 is fixedly connected to the mounting portion 3. The first connecting portion 32 includes two first mounting platforms 321, each of which is provided with a threaded hole. External components can be fixed on the first mounting platforms 321 by screws. A first reinforcing strip 322 is fixedly connected between the two first mounting platforms 321. The first reinforcing strip 322 can improve the connection firmness between the first mounting platforms 321, thereby reducing the occurrence of skewness or breakage of the first mounting platforms 321. The second connecting portion 33 includes four second mounting platforms 331, each of which is provided with a threaded hole, and second reinforcing strips 332 are fixedly connected between adjacent second mounting platforms 331. The external components are fixed to the second mounting platform 331 by screws, and the second reinforcing strip 332 can increase the structural firmness of all the second mounting platforms 331, thereby reducing the occurrence of skewness or breakage of the second mounting platforms 331. The main body 2 and the mounting portion 3 are integrally formed, and the assembly boss 31, the first connecting portion 32 and the second connecting portion 33 on the circumferential outer wall of the main body 2 make it easy to install the external components. The overall structure of the housing 1 is reasonably arranged within the limited space of the engine, making the overall structure of the housing 1 compact, thereby making the housing 1 lightweight, easy to maintain, and saving time and effort.

[0031] Reference Figure 1 and Figure 2 The outer wall of the housing 1 is integrally formed with a fixing portion 34 for the wire screw insert to be embedded. The wire screw insert is placed in the fixing portion 34, so as to facilitate the connection of external devices or parts.

[0032] Reference Figure 1 and Figure 2 A plurality of reinforcing ribs 4 are fixedly connected between the circumferential outer wall of the main body 2 and the mounting portion 3. The reinforcing ribs 4 can improve the connection strength between the main body 2 and the mounting portion 3, thereby improving the overall strength of the housing 1.

[0033] Reference Figure 1 and Figure 2A plurality of mounting holes 35 are provided at intervals along the circumferential direction on one side of the main body 2 away from the mounting portion 3. A wire thread sleeve is installed in each mounting hole 35, thereby improving the thread connection condition and extending the service life of the mounting hole 35.

[0034] The implementation principle of a diesel engine flywheel housing in an embodiment of the present application is as follows: the main body 2 and the mounting portion 3 are integrally formed, and at the same time, the circumferential outer wall of the main body 2 is connected with an assembly boss 31, a first connecting portion 32 and a second connecting portion 33 for mounting and fixing external components. The external components are easy to install, and the overall structure of the housing 1 is reasonably arranged within the limited space of the engine, so that the overall structure of the housing 1 is compact, thereby making the housing 1 lightweight, easy to maintain, and saving time and effort.

[0035] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A diesel engine flywheel housing, comprising a housing (1), characterized in that: The shell (1) comprises a main body (2) and a mounting portion (3) integrally formed with the main body (2); a mounting boss (31), a first connecting portion (32) and a second connecting portion (33) are connected to the circumferential outer wall of the main body (2); a mounting groove (311) is provided on the mounting boss (31); a threaded hole is provided on the bottom wall of the mounting groove (311); one end of the mounting boss (31) is connected to the mounting portion (3); and a fixing portion (34) for embedding a wire screw sleeve is connected to the outer wall of the shell (1).

2. A diesel engine flywheel housing according to claim 1, characterized in that: The first connecting portion (32) comprises at least two first mounting platforms (321), and each of the first mounting platforms (321) is provided with a threaded hole.

3. A diesel engine flywheel housing according to claim 2, characterized in that: First reinforcement bars (322) are connected between adjacent first mounting platforms (321).

4. A diesel engine flywheel housing according to claim 3, characterized in that: The second connecting portion (33) comprises at least four second mounting platforms (331), each of the second mounting platforms (331) is provided with a threaded hole, and second reinforcing bars (332) are connected between adjacent second mounting platforms (331).

5. A diesel engine flywheel housing according to claim 1, characterized in that: A plurality of mounting holes (35) are provided at intervals along the circumferential direction on one side of the main body (2) away from the mounting portion (3).

6. A diesel engine flywheel housing according to claim 1, characterized in that: A plurality of reinforcing ribs (4) are connected between the main body (2) and the mounting portion (3).

7. A diesel engine flywheel housing according to claim 1, characterized in that: The shell (1) is made of aluminum alloy.

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