CN113323765A - Engine body and diesel engine - Google Patents

Abstract

The invention relates to the technical field of engines, and particularly discloses an engine body and a diesel engine, wherein the engine body comprises a body and a cylinder water jacket arranged on the body, the body is integrally provided with a high-temperature water main water inlet channel, a cylinder cover water jacket connecting channel, a high-temperature water drainage channel and a plurality of high-temperature water inlet branch channels, one ends of the plurality of high-temperature water inlet branch channels are communicated with the cylinder water jacket, the high-temperature water main water inlet channel is communicated with the other ends of the plurality of high-temperature water inlet branch channels, the cylinder cover water jacket connecting channel sends cooling water in the cylinder water jacket into the cylinder cover water jacket, and the high-temperature water drainage channel discharges the cooling water in the cylinder cover water jacket. The engine body can reduce external pipelines on the engine body and the cylinder cover, and further contributes to the development of miniaturization and light weight of the engine.

Description

Engine body and diesel engine

Technical Field

The invention relates to the technical field of engines, in particular to an engine body and a diesel engine.

Background

The engine body is a main framework of the engine, is provided with various main parts and accessories of the engine, and provides corresponding movement space and channels required by cooling water and lubricating oil.

With the vigorous popularization of energy conservation and emission reduction, the current engine is developing towards miniaturization and light weight, however, in the prior art, a high-temperature water inlet channel and a water outlet channel of a diesel engine are both arranged outside a diesel engine body, one end of the high-temperature water inlet channel is respectively communicated with a water inlet of an air cylinder water jacket and a water inlet of a cylinder cover water jacket through a high-temperature water inlet branch channel, and one end of the high-temperature water outlet channel is respectively communicated with a water outlet of the air cylinder water jacket and a water outlet of the cylinder cover water jacket through a high-temperature water outlet branch channel.

Disclosure of Invention

The invention aims to: the engine body is provided to solve the problem that in the prior art, a high-temperature water inlet channel and a high-temperature water outlet channel of an engine are arranged outside the engine body, and the arrangement is not beneficial to the development of miniaturization and light weight of the engine.

In one aspect, the invention provides an engine body, which comprises a body and a cylinder water jacket arranged on the body, wherein the body is integrally provided with a high-temperature water main water inlet channel, a cylinder cover water jacket connecting channel, a high-temperature water drainage channel and a plurality of high-temperature water inlet branch channels, one ends of the plurality of high-temperature water inlet branch channels are communicated with the cylinder water jacket, the high-temperature water main water inlet channel is communicated with the other ends of the plurality of high-temperature water inlet branch channels, the cylinder cover water jacket connecting channel sends cooling water in the cylinder water jacket into the cylinder cover water jacket, and the high-temperature water drainage channel discharges the cooling water in the cylinder cover water jacket.

As the preferred technical scheme of the engine body, through holes are respectively formed in the positions, corresponding to the cylinder water jacket and the plurality of cylinder combustion chambers, of the cylinder water jacket, and one ends of the high-temperature water inlet branch passages are respectively inserted into the through holes and fixedly connected with the cylinder water jacket.

As a preferred technical scheme of the engine body, a plurality of cylinder cover water jacket connecting passages are arranged, and one ends of the plurality of cylinder cover water jacket connecting passages are communicated with one ends of the cylinder water jackets, which are close to the cylinder cover;

when the cylinder cover is arranged on the engine body, the other ends of the cylinder cover water jacket connecting channels are respectively communicated with the water inlets of the cylinder cover water jackets.

As a preferred technical scheme of the engine body, the high-temperature water drainage channel comprises a main drainage channel and a plurality of branch drainage channels, when a cylinder cover is installed on the engine body, one ends of the branch drainage channels are respectively communicated with water outlet ports of water jackets of the cylinder covers, one end of the main drainage channel is communicated with the other ends of the branch drainage channels, and cooling water flows out from the other end of the main drainage channel.

As the preferable technical scheme of the engine body, the engine body is further provided with a wire way.

As a preferable technical scheme of the engine body, a plurality of lightening holes are formed in the side wall of the wire way.

As the preferable technical scheme of the engine body, a heat insulation layer is attached to the inside of the wire way.

As the preferable technical scheme of the engine body, the lengths of the plurality of high-temperature water inlet branch passages are the same.

As the preferable technical scheme of the engine body, the engine body is integrally formed.

In another aspect, the present invention provides a diesel engine including the engine body in any one of the above aspects.

The invention has the beneficial effects that:

the invention provides an engine body which comprises a body and a cylinder water jacket arranged in the body, wherein the body is integrally provided with a high-temperature water main water inlet channel, a cylinder cover water jacket connecting channel, a high-temperature water drainage channel and a plurality of high-temperature water inlet branch channels, cooling water flows into the cylinder water jacket through the high-temperature water main water inlet channel and the high-temperature water inlet branch channels simultaneously connected with the high-temperature water main water inlet channel, after the cylinder water jacket is filled with the cooling water, the cooling water in the cylinder water jacket enters the cylinder cover water jacket through the cylinder cover water jacket connecting channel, and after the cylinder water jacket is filled with the cooling water, the cooling water in the cylinder cover water jacket is discharged out of the cylinder cover water jacket through the high-temperature water drainage channel. The device is all integrated in the organism with high-temperature water main water inlet channel, cylinder cap water jacket connecting channel, high-temperature water drainage way and a plurality of high-temperature water inlet branch way, can reduce the external pipeline on organism and the cylinder cap, and then is favorable to the development of engine miniaturization, lightweight.

Drawings

Fig. 1 is a schematic structural diagram of an engine body according to an embodiment of the present invention.

In the figure:

1. a body; 11. the high-temperature water main water inlet channel; 12. a cylinder cover water jacket connecting channel; 13. a water drainage branch channel; 14. a wire way; 15. and (7) lightening holes.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

As shown in fig. 1, the present invention provides an engine body, which includes a body 1 and a cylinder water jacket disposed in the body 1, wherein the body 1 is integrally provided with a high-temperature water main water inlet channel 11, a cylinder head water jacket connecting channel 12, a high-temperature water discharge channel and a plurality of high-temperature water inlet branch channels, cooling water flows into the cylinder water jacket through the high-temperature water main water inlet channel 11 and the plurality of high-temperature water inlet branch channels simultaneously connected therewith, after the cylinder water jacket is filled with cooling water, the cooling water in the cylinder water jacket enters the cylinder head water jacket through the cylinder head water jacket connecting channel 12, and after the cylinder head water jacket is filled with cooling water, the cooling water in the cylinder head water jacket is discharged out of the cylinder head water jacket through the high-temperature water discharge channel. The device is all integrated in organism 1 with high-temperature water main water inlet channel 11, cylinder cap water jacket connecting channel 12, high-temperature water drainage channel and a plurality of high-temperature water inlet branch road, can reduce the external pipeline on organism 1 and the cylinder cap, and then is favorable to the development of engine miniaturization, lightweight.

Optionally, through holes are respectively formed in the cylinder water jacket and the positions corresponding to the plurality of cylinder combustion chambers, and one ends of the plurality of high-temperature water inlet branch passages are respectively inserted into the plurality of through holes and fixedly connected with the cylinder water jacket. In this embodiment, the cooled cooling water flows into the cylinder water jacket portion corresponding to the cylinder combustion chamber through the plurality of high-temperature water inlet branch passages simultaneously, and then cools down each cylinder simultaneously, and this arrangement is favorable to the cooling of the cylinder water jacket on the whole body of the engine body 1, so as to prevent the temperature difference between each portion of the engine body 1 from being large.

Optionally, the lengths of the plurality of high-temperature water inlet branch passages are all the same. The cooling water flows into the high-temperature water inlet branch channel from the high-temperature water main water inlet channel 11 simultaneously, and because the length of the high-temperature water inlet branch channel is the same, the cooling water in the high-temperature water inlet branch channel flows into the cylinder water jacket simultaneously, so that the regulation of the overall temperature of the machine body 1 is facilitated, and the condition that the temperature difference of each part of the machine body 1 is large is prevented.

Optionally, a plurality of cylinder cover water jacket connecting passages 12 are arranged, and one end of each cylinder cover water jacket connecting passage 12 is communicated with one end of the cylinder water jacket close to the cylinder cover; when the cylinder cover is installed on the machine body 1, the other ends of the cylinder cover water jacket connecting channels 12 are respectively communicated with the cylinder cover water jacket water inlets. In this embodiment, the cooling water flowing out of the cylinder jacket enters the cylinder head jacket through the cylinder head jacket connecting passage 12, and further cools the cylinder head, specifically, the cylinder head and the engine body make the other end of the cylinder head jacket connecting passage 12 hermetically connected with the cylinder head jacket water inlet through the gasket, optionally, a connecting pipe may be disposed between the other end of the cylinder head jacket connecting passage 12 and the cylinder head jacket water inlet, one end of the connecting pipe extends into the cylinder head jacket connecting passage 12 and hermetically connected with the cylinder head jacket connecting passage 12, and the other end of the connecting pipe extends into the cylinder head jacket water inlet and hermetically connected with the cylinder head, and this arrangement may make the other end of the cylinder head jacket connecting passage 12 and the cylinder head jacket water inlet hermetically redundant. In this embodiment, the connection tube is made of an elastic material.

Optionally, the high-temperature water drainage channel includes a main drainage channel and a plurality of branch drainage channels 13, when the cylinder cover is mounted on the machine body 1, one ends of the plurality of branch drainage channels 13 are respectively communicated with the water outlet ports of the water jackets of the cylinder cover, one ends of the main drainage channel are respectively communicated with the other ends of the plurality of branch drainage channels 13, and the cooling water flows out from the other ends of the main drainage channel. In the present embodiment, the cooling water flowing out of the head jacket flows into the main drain passage through the plurality of branch drain passages 13, and flows into the cooling system outside the machine body 1 from the other end of the main drain passage.

Optionally, the machine body 1 is further provided with a wire way 14. In this embodiment, the externally connected lines may be routed within the duct 14, which may further reduce the overall size of the engine.

Optionally, a thermal insulation layer is attached inside the wire duct 14. It should be noted that a thermal insulation layer is disposed in the conduit 14 to prevent the heat generated by combustion in the piston cylinder from being transferred to the engine body and damaging the conduit in the conduit 14.

Optionally, the side wall of the wire path 14 is opened with a plurality of lightening holes 15. The lightening holes 15 can reduce the weight of the machine body 1, and in addition, the lightening holes 15 can also accelerate the heat dissipation of the wire duct 14 because the lines or oil passages in the wire duct 14 can release heat during operation.

Alternatively, the body 1 is integrally formed. In this embodiment, the machine body 1 is manufactured by a casting process, and in other embodiments, the machine body 1 may also be manufactured by a 3D printing process.

In another aspect, the present invention provides a diesel engine including the engine body in any one of the above aspects.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides an engine body, includes organism (1), and set up in the cylinder water jacket of organism (1), its characterized in that, organism (1) integration is provided with high-temperature water main intake channel (11), cylinder cap water jacket connecting channel (12), high-temperature water drainage channel and a plurality of high-temperature water branch way of intaking, and is a plurality of high-temperature water intake branch says one end all with cylinder water jacket intercommunication, high-temperature water main intake channel (11) all with a plurality of high-temperature water intake branch says other end intercommunication, cylinder cap water jacket connecting channel (12) will in the cylinder water jacket cooling water is sent to the cylinder cap water jacket, high-temperature water drainage channel will cooling water in the cylinder cap water jacket is discharged.

2. The engine body according to claim 1, wherein through holes are respectively formed in the cylinder water jacket at positions corresponding to the plurality of cylinder combustion chambers, and one end of each of the plurality of high-temperature water inlet branch passages is respectively inserted into the plurality of through holes and fixedly connected with the cylinder water jacket.

3. The engine body according to claim 1, characterized in that a plurality of cylinder head water jacket connecting passages (12) are provided, and one end of each cylinder head water jacket connecting passage (12) is communicated with one end of the cylinder water jacket close to the cylinder head;

when the cylinder cover is arranged on the engine body (1), the other ends of the cylinder cover water jacket connecting passages (12) are respectively communicated with the water inlets of the cylinder cover water jackets.

4. The engine body according to claim 1, characterized in that the high-temperature water drainage channel comprises a main drainage channel and a plurality of branch drainage channels (13), when a cylinder cover is installed on the engine body (1), one ends of the branch drainage channels (13) are respectively communicated with a plurality of water outlet ports of the cylinder cover water jacket, one ends of the main drainage channels are respectively communicated with the other ends of the branch drainage channels (13), and the cooling water flows out from the other ends of the main drainage channels.

5. The engine block as claimed in claim 1, characterized in that the engine block (1) is further provided with a raceway (14).

6. The engine block as claimed in claim 5, characterised in that the lateral walls of the lane (14) are provided with a plurality of lightening holes (15).

7. The engine block as claimed in claim 5, characterised in that a thermal insulation layer is affixed inside the wire duct (14).

8. The engine block according to any one of claims 1 to 7, wherein the lengths of the plurality of high-temperature water intake branch passages are all the same.

9. The engine block according to any of claims 1 to 7, characterized in that the engine block (1) is made in one piece.

10. A diesel engine comprising an engine block according to any one of claims 1 to 9.

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