CN210396907U

CN210396907U - Cylinder head water jacket gassing structure and have its engine

Info

Publication number: CN210396907U
Application number: CN201921014148.5U
Authority: CN
Inventors: 张善永; 崔永; 李连升; 吕顺; 王启峰; 罗国良
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2019-06-29
Filing date: 2019-06-29
Publication date: 2020-04-24
Anticipated expiration: 2029-06-29

Abstract

The utility model belongs to the technical field of the engine, concretely relates to cylinder head water jacket gassing structure and engine. The cylinder head water jacket deflation structure comprises a cylinder head water jacket; a water outlet pipe; the pipe joint is provided with a hollow channel, two ends of the channel are respectively connected with the cylinder cover water jacket and the water outlet pipe to form a fluid channel, and the fluid channel is used for guiding the cooling liquid and the gas in the cylinder cover water jacket to enter the water outlet pipe. The utility model provides a cylinder head water jacket gassing structure seals the gassing function of cylinder head water jacket in engine assembly's inside, and is deflated with cylinder head water jacket and the direct intercommunication of outlet pipe through the coupling, and whole car end need not to set up the bleeder line of connecting the cylinder head specially, reduce cost when improving assembly efficiency.

Description

Cylinder head water jacket gassing structure and have its engine

Technical Field

The utility model belongs to the technical field of the engine, especially, relate to a cylinder head water jacket gassing structure and have its engine.

Background

When the engine runs, the cooling liquid can generate a local boiling phenomenon due to the high temperature of the cylinder cover; at the same time, the coolant releases its own gases when the temperature rises. In order to avoid a large amount of gas from accumulating in the cylinder head jacket, which affects the cylinder head heat dissipation, the cylinder head jacket needs to be vented. The existing cylinder cover water jacket deflation structure mostly adopts an independent pipe joint, and is connected with an expansion water tank through a peripheral pipeline so as to form cooling water flow, so that gas in cooling liquid is taken away, and the purpose of cylinder cover water jacket deflation is achieved.

The air release is realized through the connection and the arrangement of peripheral pipelines, most of the pipelines need to be connected at the whole vehicle end, the assembly efficiency is low, and the cost is high; meanwhile, the reliability of pipeline connection is not easy to guarantee. In addition, because of the need for separate plumbing connections, more space is required, interference with other parts is easy, and the appearance is unsightly.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a current engine bleeder line of purpose solution needs carry out the tube coupling at whole car end at least, and assembly efficiency is low, problem with high costs. The purpose is realized by the following technical scheme:

the utility model discloses a first aspect provides a cylinder head water jacket gassing structure, include:

a cylinder head water jacket;

a water outlet pipe;

the pipe joint is provided with a hollow channel, two ends of the channel are respectively connected with the cylinder cover water jacket and the water outlet pipe to form a fluid channel, and the fluid channel is used for guiding the cooling liquid and the gas in the cylinder cover water jacket to enter the water outlet pipe.

The utility model provides a cylinder head water jacket gassing structure seals the gassing function of cylinder head water jacket in engine assembly's inside, and is deflated with cylinder head water jacket and the direct intercommunication of outlet pipe through the coupling, and whole car end need not to set up the bleeder line of connecting the cylinder head specially, reduce cost when improving assembly efficiency.

In addition, according to the utility model provides an above-mentioned cylinder head water jacket gassing structure still can have following additional technical characterstic:

in some embodiments of the present invention, the pipe joint is installed in a body of an engine.

In some embodiments of the present invention, the pipe joint is a hollow cylindrical structure, and the channel is a through channel.

In some embodiments of the present invention, the pipe joint is a plug-in structure, and both ends of the pipe joint can be directly inserted into the cylinder head water jacket and the outlet pipe respectively and fixedly connected with each other.

In some embodiments of the present invention, the cylinder head water jacket and the outlet pipe are respectively provided with mounting holes matched with the two ends of the pipe joint.

In some embodiments of the present invention, the outer periphery of the pipe joint is sleeved with a sealing ring, and the outer periphery of the pipe joint is provided with an annular groove for installation of the sealing ring.

In some embodiments of the present invention, two sealing rings are provided, two sealing rings being symmetrically disposed at positions close to both ends of the pipe joint.

A second aspect of the present invention provides an engine having the above cylinder head water jacket deflation structure.

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 parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows a schematic view of a cylinder head water jacket vent structure according to an embodiment of the present invention;

fig. 2 schematically shows a cross-sectional view of a cylinder head water jacket vent structure according to an embodiment of the present invention;

fig. 3 schematically shows a structural schematic view of a pipe joint according to an embodiment of the present invention;

FIG. 4 schematically illustrates an exploded view of FIG. 3;

the reference numerals in the drawings denote the following:

100-an engine; 10-cylinder head water jacket; 20-water outlet pipe;

1-pipe joint, 11-channel, 12-ring groove;

2-sealing ring.

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. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

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.

Fig. 1 is a schematic view of a cylinder head water jacket deflation structure according to an embodiment of the present invention; fig. 2 is a cross-sectional view of a cylinder head water jacket vent structure according to an embodiment of the present invention (the direction of the straight line arrow in the figure is the fluid flow direction); fig. 3 is a schematic structural diagram of a pipe joint according to an embodiment of the present invention; fig. 4 is an exploded view of fig. 3. As shown in fig. 1 to 4, an embodiment of the present invention provides a cylinder head water jacket deflation structure, which includes a cylinder head water jacket 10, a water outlet pipe 20, and a pipe joint 1 for connecting the cylinder head water jacket 10 and the water outlet pipe 20, wherein the pipe joint 1 has a hollow passage 11, and both ends of the passage 11 are respectively connected to the cylinder head water jacket 10 and the water outlet pipe 20, so as to form a fluid passage for guiding cooling liquid and gas in the cylinder head water jacket 10 into the water outlet pipe 10. Specifically, the coolant in the cylinder head water jacket 10 flows into the water outlet pipe 20 through the fluid passage, and the gas in the cylinder head water jacket 10 flows out with the coolant after flowing through the fluid passage and the water outlet pipe 20 to realize air bleeding.

The utility model provides a cylinder head water jacket gassing structure is through setting up coupling 1 between cylinder head water jacket 10 and the outlet pipe 20 of engine for cylinder head water jacket 10 leads to outlet pipe 20, introduces engine outlet pipe 20 with the part coolant liquid in the cylinder head water jacket 10, thereby takes out cylinder head water jacket 10 along with the coolant liquid with the gas in the cylinder head water jacket 10, and flows out along with the coolant liquid in the outlet pipe 20, realizes the gassing, simple structure, and the gassing is overall arrangement reasonable. The utility model discloses seal cylinder head water jacket 10's gassing function in engine assembly's inside, directly feed through cylinder head water jacket 10 and outlet pipe 20 through coupling 1 and bleed, whole car end need not to set up the gassing pipeline of connecting the cylinder head specially, reduce cost when improving assembly efficiency.

Specifically, the pipe joint 1 is a hollow cylindrical structure, and is mounted in the body of the engine 100, and a mounting space for mounting the pipe joint 1 is defined in the body of the engine 100, and the shape of the mounting space matches the shape of the pipe joint 1. The channel 11 is a straight channel, and can quickly introduce the cooling liquid and gas in the cylinder head water jacket 10 into the water outlet pipe 20, so that the air bleeding efficiency is improved. The installation space in the engine body of the engine 100 is formed by casting and processing, the processing is convenient, the pipe joint 1 can be installed by fully utilizing the limited space in the engine 100, the occupation of more space of the engine is not needed, and the arrangement is reasonable and compact. The cylindrical pipe joint 1 is simple in structure, is arranged in an engine, is not easy to interfere with other parts, is convenient to disassemble and assemble, and is attractive and elegant.

In some embodiments of the present invention, the pipe joint 1 is a plug-in structure, and its two ends can be respectively and directly inserted into the cylinder head water jacket 10 and the water outlet pipe 20 for fixing connection, and correspondingly, the cylinder head water jacket 10 and the water outlet pipe 20 are respectively provided with mounting holes for matching with two ends of the pipe joint 1. The plug-in type structure can ensure that the pipe joint 1 is reliably connected and is convenient to maintain, disassemble and assemble.

In some embodiments of the present invention, in order to improve the connection reliability of the pipe joint 1, the outer periphery of the pipe joint 1 is sleeved with the sealing ring 2, the outer periphery of the pipe joint 1 is provided with the annular groove 12 for installing the sealing ring 2, and the sealing ring 2 is clamped and fixed in the annular groove 12.

Further, in order to improve the connection sealing performance of the

pipe joint

1, 2 sealing rings 2 are symmetrically arranged at positions close to two ends of the pipe joint 1, and the reliability of radial sealing and fixing of the pipe joint 1 is guaranteed. The pipe joint 1 is designed to be of a symmetrical structure and is arranged at the position close to two ends, so that batch processing is facilitated, and the universality of the pipe joint 1 is improved. The sealing ring 2 is preferably a rubber sealing ring to improve the sealing effect.

A second aspect of the present invention provides an engine 100 having the above cylinder head water jacket deflation structure, wherein an installation space for installing the pipe joint 1 is defined in the body of the engine 100, and the installation space is formed by casting.

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

1. A cylinder head water jacket air bleeding structure, characterized by comprising:

a cylinder head water jacket;

a water outlet pipe;

2. The cylinder head water jacket vent structure according to claim 1, wherein the pipe joint is mounted in a body of an engine.

3. The cylinder head water jacket vent structure according to claim 1, wherein the pipe joint is a hollow cylindrical structure, and the passage is a through passage.

4. The cylinder head water jacket deflation structure according to claim 1, wherein the pipe joint is a plug-in structure, and two ends of the pipe joint can be respectively and directly inserted into the cylinder head water jacket and the water outlet pipe for fixed connection.

5. The cylinder head water jacket air bleeding structure according to claim 4, wherein mounting holes that fit the two ends of the pipe joint are provided in the cylinder head water jacket and the water outlet pipe, respectively.

6. The cylinder head water jacket vent structure according to claim 1, wherein a seal ring is sleeved on an outer periphery of the pipe joint, and a ring groove for mounting the seal ring is provided on the outer periphery of the pipe joint.

7. The cylinder head water jacket vent structure according to claim 6, wherein two of the seal rings are provided, the two seal rings being symmetrically provided at positions near both ends of the pipe joint.

8. An engine characterized by having the cylinder head water jacket air bleeding structure according to any one of claims 1 to 7.