CN211116297U - Cylinder cover assembly and engine - Google Patents

Abstract

The utility model belongs to the technical field of the engine, concretely relates to cylinder head subassembly and engine, this cylinder head subassembly includes the cylinder head, the inside sunken cooling channel that forms of cylinder head, exhaust passage and oil return, the cooling channel, exhaust passage and oil return set up each other independently and each other do not communicate with each other, set up cooling channel, exhaust passage and oil return inside the cylinder head, cancelled the setting of peripheral pipeline, on the one hand, integrate the design to the cylinder head, be favorable to compact design of engine and lightweight, avoid taking place to interfere with other parts, on the other hand, the assembly efficiency is improved, and cost is reduced.

Description

Cylinder cover assembly and engine

Technical Field

The utility model belongs to the technical field of the engine, concretely relates to cylinder head subassembly and engine.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

The water outlet pipe, the exhaust pipe and the oil return pipe of the existing cylinder cover adopt independent pipe joints, a loop is formed by peripheral pipeline connection, and the peripheral pipeline connection and arrangement are realized, so that the pipeline connection assembly efficiency is low, the cost is high, meanwhile, the reliability of the pipeline connection is not easy to guarantee.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of large occupied space caused by connection and arrangement of peripheral pipelines at least. The purpose is realized by the following technical scheme:

the utility model discloses a first aspect provides a cylinder head subassembly, including the cylinder head, the inside sunken cooling channel, exhaust passage and the oil return way that form of cylinder head, the cooling channel the exhaust passage with the oil return way is independent each other sets up and each other does not communicate with each other.

According to the utility model discloses cylinder head subassembly sets up cooling channel, exhaust passage and oil return way inside the cylinder cap, has cancelled the setting of peripheral pipeline, on the one hand, integrates the design to the cylinder cap, is favorable to compact design of engine and lightweight, avoids taking place to interfere with other parts, and on the other hand improves assembly efficiency, reduce cost.

In addition, according to the utility model discloses cylinder head assembly, can also have following additional technical characterstic:

in some embodiments of the present invention, the cylinder head includes a plurality of head bodies, each of the head bodies having a first cavity, a second cavity, and a third cavity disposed therein;

the first cavities are sequentially communicated to form the cooling channel;

the second cavities are sequentially communicated to form the exhaust passage;

and the third cavities are sequentially communicated to form the oil return channel.

In some embodiments of the present invention, a first sealing member is disposed between the adjacent first cavity, the adjacent second cavity and the adjacent third cavity, respectively.

In some embodiments of the present invention, the first cavity and the cooling channel are both arc-shaped.

In some embodiments of the present invention, the second cavity and the exhaust passage are both straight.

In some embodiments of the present invention, the third cavity and the oil return passage are both in a zigzag shape.

In some embodiments of the present invention, the system further comprises a collecting pipe, wherein the collecting pipe is provided with a water outlet, an air outlet and an oil return port;

the water outlet is communicated with the cooling channel;

the exhaust port is communicated with the exhaust passage;

the oil return port is communicated with the oil return channel.

In some embodiments of the present invention, a second sealing member is disposed between the water outlet and the cooling channel, between the exhaust port and the exhaust channel and between the oil return port and the oil return channel.

A second aspect of the present invention provides an engine, including any one of the above embodiments, the cylinder head assembly further including an engine housing, a valve train, a crank drive mechanism, and a crankcase.

According to the utility model discloses engine and above-mentioned cylinder head assembly have the same advantage, no longer describe herein.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a front view of a cylinder head assembly according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken along the line A-A of the cylinder head assembly shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view in the direction B-B of the cylinder head assembly shown in FIG. 1;

FIG. 4 is a cross-sectional view in the direction C-C of the cylinder head assembly shown in FIG. 2;

FIG. 5 is an elevation view of the side of the cylinder head assembly shown in FIG. 1 in contact with the manifold;

FIG. 6 is an elevation view of the side of the manifold shown in FIG. 1 in contact with the cylinder head assembly.

The reference symbols in the drawings denote the following:

1. a cylinder head; 11. a cooling channel; 12. an exhaust passage; 13. an oil return passage; 14. a cover body;

2. a first seal member;

3. a collector pipe; 31. a water outlet; 32. an exhaust port; 33. an oil return port;

4. a second seal.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1-6, according to the cylinder head assembly of an embodiment of the present invention, including the cylinder head 1, the inside of the cylinder head 1 is recessed to form a cooling channel 11, an exhaust channel 12 and an oil return channel 13, and the cooling channel 11, the exhaust channel 12 and the oil return channel 13 are independent of each other and are not communicated with each other.

According to the utility model discloses cylinder head assembly sets up cooling channel 11, exhaust passage 12 and oil return 13 inside the cylinder cap, has cancelled the setting of peripheral pipeline, on the one hand, integrates the design to the cylinder cap, is favorable to compact design of engine and lightweight, avoids taking place to interfere with other parts, and on the other hand improves assembly efficiency, and reduce cost, cooling channel 11, exhaust passage 12 and oil return 13 adopt casting integrated into one piece when carrying out the manufacturing of cylinder cap 1, guarantee cylinder cap 1's bulk strength.

In some embodiments of the present invention, the cylinder head 1 includes a plurality of cover bodies 14, the plurality of cover bodies 14 are connected to form the cylinder head 1, each cover body 14 is provided therein with a first cavity, a second cavity and a third cavity, the first cavities are sequentially communicated to form a cooling channel 11, the second cavities are sequentially communicated to form an exhaust channel 12, the third cavities are sequentially communicated to form an oil return channel 13, the first cavity, the second cavity and the third cavity are integrated inside each cover body 14, the space occupied by the cover bodies 14 is not changed, compared with the connection mode of peripheral pipelines, the compact design and the light weight of the engine are facilitated, the connection direction of the first cavity, the second cavity and the third cavity is the same as the connection direction of the plurality of cover bodies 14, the shape of the first cavity in the plurality of cover bodies 14 is the same, when performing manufacturing, only one sand mold is needed, the machining and casting efficiency is improved, the cost is reduced, and simultaneously, the shapes of the second cavities and the third cavities in the plurality of cover bodies 14 are respectively the same.

In some embodiments of the present invention, the first sealing member 2 is disposed between the adjacent first cavities, that is, the first sealing member 2 is disposed between the two adjacent cover bodies 14, since the cooling channel 11 is formed by connecting a plurality of first cavities, the first sealing member 2 is disposed at the joint, so as to avoid leakage, and similarly, the first sealing member 2 is disposed between the two adjacent second cavities, and the first sealing member 2 is disposed between the two adjacent third cavities.

The first sealing elements 2 are of two structures, the first sealing element 2 is one and is provided with through holes communicated with the first cavity, the second cavity and the third cavity, the second sealing element 2 is three and corresponds to the first cavity, the second cavity and the third cavity respectively, and preferably, the first sealing element 2 is three, so that poor sealing performance can be replaced at any time.

The utility model discloses an in some embodiments, a plurality of first cavity connection form cooling channel 11, and cooling channel 11 cools off cylinder head 1, sets up to the arc, is favorable to improving the cooling effect, consequently sets up each first cavity into the arc, increases heat transfer area, and the cooling channel 11 that forms after a plurality of curved first cavities are connected is the arc equally.

The utility model discloses a in some embodiments, a plurality of second cavities are connected and are formed exhaust passage 12, and exhaust passage 12 sets up the gaseous exhaust in the cylinder cap to sharp shape, is favorable to gaseous smooth and easy outflow, reduces gaseous resistance in the exhaust process, avoids gaseous and second cavity to take place unnecessary collision, produces the turbulent flow, consequently sets up each second cavity to sharp shape, and the cooling channel 11 that forms after a plurality of sharp linear second cavities are connected is the straight line shape equally.

The utility model discloses an in some embodiments, a plurality of third cavity are connected and are formed oil return way 13, oil return way 13 collects the oil of sprayer, under the structure that does not change current cylinder cap, set up to the dogleg shape, avoid taking place to interfere with other structures, be favorable to the smooth and easy outflow of fluid, reduce the resistance of fluid in the discharge process, avoid fluid and third cavity to take place unnecessary collision, turbulent flow is produced, consequently, set up each third cavity into dogleg shape, oil return way 13 that a plurality of dogleg shape's third cavity formed after connecting is the dogleg shape equally.

The utility model discloses an in some embodiments, cooling channel 11, the terminal of exhaust passage 12 and oil return way 13 is unified through setting up a collector pipe 3 and is handled, be provided with independent delivery port 31 that just each other does not communicate on collector pipe 3, gas vent 32 and oil return 33, delivery port 31 and 11 intercommunications of cooling channel, gas vent 32 and exhaust passage 12 intercommunication, oil return 33 and oil return way 13 intercommunication, compare in prior art, integrate the design with independent coupling, make it have simultaneously and go out water, the function of exhaust and oil return, the integration and the lightweight of cylinder head subassembly have further been improved.

In some embodiments of the utility model, for can dismantling the connection between collecting pipe 3 and the adjacent lid body 14, be provided with second sealing member 4 between delivery port 31 and the cooling duct 11, avoid taking place to leak, and on the same way, be provided with second sealing member 4 between gas vent 32 and the exhaust passage 12, be provided with second sealing member 4 between oil return opening 33 and the oil return way 13.

The second sealing element 4 has two structures, the first one is provided with one second sealing element 4, through holes communicated with the water outlet 31, the air outlet 32 and the oil return opening 33 are formed in the second one, the number of the second sealing elements 4 is three, and the second three sealing elements correspond to the water outlet 31, the air outlet 32 and the oil return opening 33 respectively.

According to the utility model discloses an engine of embodiment, including the cylinder head assembly of above-mentioned embodiment, still include engine housing, valvetrain, crank drive and crankcase.

According to the utility model discloses engine and above-mentioned cylinder head assembly have the same advantage, no longer describe herein.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. A cylinder head assembly, comprising:

the cylinder cover is internally sunken to form a cooling channel, an exhaust channel and an oil return channel, and comprises a plurality of cover bodies, wherein a first cavity, a second cavity and a third cavity are formed in each cover body;

the first cavities are sequentially communicated to form the cooling channel;

the second cavities are sequentially communicated to form the exhaust passage;

the third cavities are sequentially communicated to form the oil return channel;

the cooling channel, the exhaust channel and the oil return channel are arranged independently and are not communicated with each other.

2. The cylinder head assembly of claim 1, wherein a first seal is disposed between each of the adjacent first cavities, the adjacent second cavities, and the adjacent third cavities.

3. The cylinder head assembly of claim 1, wherein the first cavity and the cooling gallery are each arcuate.

4. The cylinder head assembly of claim 1, wherein the second cavity and the exhaust passage are each rectilinear.

5. The cylinder head assembly of claim 1, wherein said third cavity and said oil gallery are each dogleg shaped.

6. The cylinder head assembly of claim 1, further comprising a manifold having a water outlet, an exhaust port, and an oil return port;

the water outlet is communicated with the cooling channel;

the exhaust port is communicated with the exhaust passage;

the oil return port is communicated with the oil return channel.

7. The cylinder head assembly according to claim 6, wherein second seals are provided between said water outlet and said cooling gallery, said exhaust port and said exhaust passage, and said oil return port and said oil return gallery.

8. An engine comprising the cylinder head assembly of any one of claims 1 to 7, further comprising an engine housing, a valve train, a crank drive and a crankcase.

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