CN217999729U

CN217999729U - Integrated diesel engine side cover

Info

Publication number: CN217999729U
Application number: CN202220423037.5U
Authority: CN
Inventors: 曾国新; 曾森炎
Original assignee: Jiangyin Zens Power Machinery Technology Co ltd
Current assignee: Jiangyin Zens Power Machinery Technology Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-12-09
Anticipated expiration: 2032-03-01
Also published as: CN218669598U

Abstract

The utility model discloses integral type diesel engine side cap structure, the side-mounting of box has the side cap body, and the case lid on the side cap body is an integral structure with the side cap body, and the piston bottom of diesel engine is articulated mutually with the top of connecting rod, and the bottom connecting hole suit of connecting rod is on the bent axle, and the bent axle passes bent axle boss hole and bent axle sleeve hole, and the connecting rod suit is installed on the outer wall of the epaxial one end of bent axle and is got rid of the needle. The utility model discloses integral type diesel engine side cap structure, integral type side cap structure has improved bulk strength, and the inside connecting rod based on this company of diesel engine gets rid of the lubricated mode of needle simultaneously, has banned conventional oil pump oiling mode, and the structure and the assembly degree of difficulty of side cap have greatly been simplified to make the case lid after the integration can be according to the difference of customer application demand and design size at will, improved the application scope of diesel engine.

Description

Integrated diesel engine side cover

Technical Field

The utility model relates to a diesel engine side cap belongs to diesel engine technical field.

Background

At present, with the advance of agricultural mechanization, micro-tillage diesel engines are widely applied in the agricultural field, and the micro-tillage diesel engines still adopt the layout structure of the conventional diesel engine, the side cover of the micro-tillage diesel engine is connected to the case body, and the side cover and the case cover adopt a split structure, such as the side cover shown in fig. 5 and the case cover shown in fig. 6 and 7, the side cover and the case cover are connected by bolts after being assembled and attached, and are connected to the mounting frame through the case cover in a manner similar to a flange connection effect. For example, as can be seen from fig. 1 and 2 in the patent drawings of the chinese patent CN202020324537.4 "an oil-cooled diesel engine side cover and a diesel engine" applied by the "xigyin xing gang aluminum industries limited company" in the industry, it is necessary to install an oil pump through an "oil injection hole 7", so that it can be clearly seen in combination with the drawings (fig. 5, 6 and 7) of this patent that, when a case cover is subsequently installed on the front of the side cover in the split structure, the joint surface of the side cover and the case cover is only attached by contacting the convex table surface and then connected by a bolt, the joint contact area of the side cover and the case cover is small, resulting in poor strength of the overall structure formed after the case cover is subsequently assembled on a rack. Meanwhile, due to the mode of pumping and filling lubricating oil, oil pump mounting hole positions must be reserved on the side cover, so that the installation of the box cover is limited, the contact combination area cannot be increased, and the assembly requirements of customers in different application occasions cannot be flexibly matched. Therefore, a side cover structure for a diesel engine is required to solve the above problems.

Disclosure of Invention

An object of the utility model is to overcome above-mentioned not enough, provide integral type diesel engine side cap, it has adopted integral type side cap structure, has improved the bulk strength, and the diesel engine is inside simultaneously because the connecting rod of this company gets rid of the lubricated mode of needle, has banned conventional oil pump oiling mode, and the structure and the assembly degree of difficulty of side cap have greatly been simplified to the volume to make the case lid after the integration can be according to the difference of customer application demand and design size at will, improved the application scope of diesel engine.

The purpose of the utility model is realized like this:

integral type diesel engine side cap structure includes side cap body and case lid, side cap body and case lid integrated into one piece, and the bent axle boss hole that the side cap body inboard set up is unanimous with the internal diameter in the bent axle sleeve hole that sets up on the case lid.

Preferably, the crankshaft sleeve hole is formed in a boss protruding out of the outer side face of the case cover, and a plurality of reinforcing ribs are arranged between the outer wall of the boss and the outer side face of the case cover.

The utility model provides a diesel engine, includes the box, the side-mounting of box has the side cap body, and case lid and side cap body on the side cap body are an integral structure, and the piston bottom of diesel engine is articulated mutually with the top of connecting rod, and the bottom connecting hole suit of connecting rod is on the bent axle, and the bent axle passes bent axle boss hole and bent axle sleeve hole, and the connecting rod suit is installed on the outer wall of the epaxial one end of bent axle and is got rid of the needle.

Preferably, the bottom of the diesel engine box body is filled with lubricating oil, and at least the needle point part of the throwing needle on the connecting rod is soaked in the lubricating oil.

Preferably, the case cover on the side cover body and the side cover body are integrally formed by die casting, and a plurality of reinforcing ribs are arranged between the lug boss provided with the crankshaft sleeve hole and the outer side surface of the case cover.

Compared with the prior art, the beneficial effects of the utility model are that:

the side cover and the box cover form an integral die-casting mechanism, so that the manufacturing process is simplified, and the integral structure greatly improves the integral strength; meanwhile, the diesel engine adopts a connecting rod needle throwing structure to replace a conventional engine oil filling mechanism, so that the structure is further simplified, the assembly efficiency is improved, and after the installation position of an engine oil pump on the side cover is cancelled, the case cover structure has more flexible design space, and the matching degree with the application environment of a user is ensured. Simultaneously, because bent axle boss hole and bent axle sleeve hole are integrated into one piece, consequently guaranteed its concentricity, avoid leading to the disalignment between the two and then cause the jamming to the rotation of countershaft because of the accumulation of processing and assembly error to make it rotate more steadily and smoothly, combine foretell needle lubrication mode of getting rid of, overall structure is more simple, reasonable, and it is more smooth and easy to lubricate, moves more steadily, very big improvement the market competition of product.

Drawings

Fig. 1 is a schematic view of the integrated diesel engine side cover with three-dimensional effect.

Fig. 2 is a schematic view of the integrated diesel engine side cover showing a three-dimensional effect at another viewing angle.

Fig. 3 is a front view of the integrated diesel engine side cover of the present invention.

Fig. 4 is a rear view of the integrated diesel engine side cover of the present invention.

Fig. 5 is a schematic structural view of a side cover of a conventional split type structure.

Fig. 6 is a schematic structural view of a cover of a conventional split type structure.

Fig. 7 is a rear view of fig. 6.

Wherein:

a side cover body 1 and a box cover 2;

a crankshaft boss hole 1.1;

a crankshaft sleeve hole 2.1 and a reinforcing rib 2.2;

contacting the boss face 101.

Detailed Description

Referring to fig. 1 to 4, the side cover body 1 and the case cover 2 which are integrally cast form an integral diesel engine side cover structure, a crankshaft boss hole 1.1 formed in the inner side of the side cover body 1 is the same as that of a side cover of a conventional split structure, and a crankshaft sleeve hole 2.1 used for mounting a crankshaft bearing or a bearing bush on the case cover 2 is the same as that of the case cover of the conventional split structure, but after the integral casting, the inner diameters of the crankshaft boss hole 1.1 and the crankshaft sleeve hole 2.1 which are communicated are the same, and the uniform casting is adopted, so that assembly errors caused by machining precision do not need to be considered, the crankshaft boss hole 1.1 and the crankshaft sleeve hole 2.1 can be perfectly on the same axis, and the stability of crankshaft rotation in the use process is guaranteed.

During the use, will have the utility model discloses when the diesel engine of integral type diesel engine side cap structure is installed in the frame of ploughing the machine a little, the frame directly with the case lid 2 on reserve the connecting hole link to each other can to make the assembly more simple. And conventional structure, at first need install case lid 2 on side cap body 1 through the bolt, then install case lid 2 in the frame of ploughing the machine a little, consequently the assembly is more not only, and the bolted connection mode between side cap body 1 and case lid 2 is very big at the effect in-process pressure-bearing of ploughing the machine a little, and factors such as shake in the quick-witted effect in-process of ploughing a little, aggravate the pressure-bearing of the bolt between side cap body 1 and case lid 2 easily, there is the potential safety hazard after using for a long time, consequently need the professional to carry out periodic detection, maintain and change the bolt, user's use cost has been increased. And compare with conventional split type structure, need not to process the screw because of wholly and be used for connecting side cap body 1 and case lid 2, further improved production efficiency.

Simultaneously, bent axle sleeve hole 2.1 adopts the boss design equally, and the outstanding lateral surface of case lid 2 of this boss, bent axle sleeve hole 2.1 sets up on the boss of this cylindrical structure, sets up the aim at that sets up in the boss and provides certain bearing capacity to the bent axle of wearing out the diesel engine, and is provided with many strengthening ribs 2.2 between the outer wall of this boss and the lateral surface of case lid 2 (because design as an organic whole, the lateral surface of this case lid 2 is the lateral surface of side cap body 1 equally).

In addition, the periphery of the case cover 2 is provided with a convex ring with an annular structure, the height of the convex ring is consistent with that of the boss, and the convex ring is provided with mounting holes through which the diesel engine is mounted on a frame of the mini-tiller. And because side cap body 1 and case lid 2 have adopted the integral type structure, the bulge loop of case lid 2 is equivalent to integrated into one piece casting on the outer wall of side cap body 1, consequently compare with conventional split type structure, can be through less cost (split type structure if need bigger bulge loop girth, then the needs synchronous increase of case lid 2 of whole split type structure, especially case lid 2 and side cap body 1 connecting portion, the inevitable needs increase the area, otherwise unable formation that supports the bulge loop), obtain the bulge loop that the girth is bigger, thereby obtain with the frame bigger contact bonding area of machine of ploughing a little, thereby improve stability and the fastness of connecting.

Finally, in combination with a connecting rod structure for an internal combustion engine, which is the Chinese patent CN202022722964.0 applied by the company before, the connecting rod pin throwing structure of the diesel internal combustion engine replaces a conventional oil pump filling mechanism, so that the side cover structure of the whole diesel engine does not need to be provided with an oil filling hole, and after the side cover body 1 and the case cover 2 are molded in an integrated die-casting or casting mode, an additional machining function is not needed, so that the rigidity strength is improved through the whole structure, the manufacturing process is simplified, the machining efficiency is improved, and the subsequent diesel engine is simpler and more convenient to install, higher in strength and longer in service life. Meanwhile, in the conventional split structure, due to the existence of the engine oil filling hole, the position of the opening of the box cover 2 and the subsequent installation space are required to be reduced, so that a convex ring of the box cover 2 in the split structure has to be reduced, and the connection contact area between the box cover and the frame of the mini-tiller is reduced; and right the utility model discloses a, cancelled the machine oil filling hole after, do not have the space worry, can be free, low-cost increase case lid 2 goes up the bulge loop to improve the installation area of contact of case lid 2 and the frame of ploughing machine a little, improved the stability and the fastness of connection, improved the safety in utilization, prolonged its life, reduced the use and the maintenance cost in later stage.

In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.

Claims

1. Integral type diesel engine side cap structure includes side cap body (1) and case lid (2), its characterized in that: the side cover comprises a side cover body (1) and a case cover (2) which are integrally formed, wherein a crankshaft boss hole (1.1) formed in the inner side of the side cover body (1) is consistent with the inner diameter of a crankshaft sleeve hole (2.1) formed in the case cover (2).

2. The integrated diesel engine side cover structure according to claim 1, wherein: the crankshaft sleeve hole (2.1) is arranged on a boss protruding out of the outer side face of the case cover (2), and a plurality of reinforcing ribs (2.2) are arranged between the outer wall of the boss and the outer side face of the case cover (2).