CN216406980U

CN216406980U - V-shaped 4-cylinder engine cylinder body

Info

Publication number: CN216406980U
Application number: CN202123179077.4U
Authority: CN
Inventors: 谢中清
Original assignee: Hangzhou Saturn Power Technology Co ltd
Current assignee: Hangzhou Saturn Power Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-04-29
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a V-shaped 4-cylinder engine cylinder body, which comprises a crankcase body; the two cylinder bodies are symmetrically arranged and detachably connected to the crankcase body; the balance water channel is arranged at a V-shaped included angle on the crankcase body; the cylinder body comprises a shell and a cylinder sleeve integrated with the shell; a water jacket is formed between the cylinder sleeve and the shell; a first connecting port is arranged at one side of the bottom of the water jacket close to the balance water channel; and a second connecting port communicated with the balance water channel is arranged on the crankcase body opposite to the first connecting port. Through the detachable connection method of the cylinder body and the crankcase body, the use cost is reduced, the later maintenance and repair are facilitated, the installation is convenient, and the cooling effect is good.

Description

V-shaped 4-cylinder engine cylinder body

Technical Field

The utility model relates to an engine cylinder block, in particular to a V-shaped 4-cylinder engine cylinder block.

Background

The cylinders of the V-shaped engine are in a left-right fork-opening mode in pairs to form a certain included angle, and the V-shaped engine looks like a V from the side. In the prior art, the V-shaped engine cylinder is integrally formed, and needs to be replaced in the later maintenance process, so that the use cost is increased.

For example, "a diesel engine cylinder block" disclosed in the chinese patent literature, which is publication No. CN 205101130U. In the patent, a cylinder body and a crankcase positioned at the lower part of the cylinder body are adopted, the cylinder body and the crankcase are integrated, eight cylinders are arranged on the cylinder body, namely four cylinders on the left side, and a first cylinder, a second cylinder, a third cylinder and a fourth cylinder are sequentially arranged from the front end to the rear end; the four cylinders on the right are a fifth cylinder, a sixth cylinder, a seventh cylinder and an eighth cylinder from the front end to the rear end in sequence, and the cylinder body is of a V-shaped eight-cylinder arrangement structure technical scheme. In this patent, cylinder body and crankcase are a whole, and is bulky, and the installation is inconvenient, and is unfavorable for the maintenance in later stage.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a method for detachably connecting the cylinder body and the crankcase body, so that the use cost is reduced, the later maintenance and repair are convenient, the installation is convenient, and the cooling effect is good.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

a V-shaped 4-cylinder engine cylinder body comprises a crankcase body; the two cylinder bodies are symmetrically arranged and detachably connected to the crankcase body; the balance water channel is arranged at a V-shaped included angle on the crankcase body; the cylinder body comprises a shell and a cylinder sleeve integrated with the shell; a water jacket is formed between the cylinder sleeve and the shell; a first connecting port is arranged at one side of the bottom of the water jacket close to the balance water channel; and a second connecting port communicated with the balance water channel is arranged on the crankcase body opposite to the first connecting port. The two cylinder bodies are arranged, each cylinder body is provided with two cylinders, the cylinder bodies are arranged at the top of the crankcase body and detachably connected with each other, and the cylinder bodies can be connected with each other through positioning pins and bolt pairs; the cylinder body is divided into two parts, so that the mass and the volume are reduced, the installation is convenient, the later maintenance and repair are convenient, and when the cylinder body or the crankcase body is abnormal, the cylinder body or the crankcase body can be independently replaced and maintained, so that the use cost is reduced, the working efficiency of operators is improved, and the labor intensity is reduced; the cylinder body comprises a shell and a cylinder sleeve, the cylinder sleeve and the shell are arranged integrally, the integral strength is guaranteed, meanwhile, the arrangement is convenient to install, the stable operation of an engine is guaranteed, the middle position of the cylinder sleeve is connected with the shell, the bottom of the connection position is inserted in the crank case body and convenient to install, the top of the connection position and the shell form a water jacket, a first connection port is arranged at one side of the bottom of the water jacket close to the balance water channel and is matched with a second connection port which is arranged in the crank case body and is communicated with the balance water channel, when the cylinder body is cooled, liquid in the balance water channel enters the first connection port from the second connection port and then enters the water jacket to be cooled, and the position of the first connection port is at a high position due to the V-shaped arrangement of the engine, the cooling efficiency is ensured.

Furthermore, the water inlet of the balance water channel is arranged on the side face of the crankcase body. Liquid enters the balance water channel from the water inlet, pressure buffering is carried out on the liquid, water pressure balance is guaranteed, and cooling efficiency is improved.

Furthermore, a chain cavity is arranged on the shell. The structure is reasonable and compact.

Furthermore, a crankshaft mounting hole is formed in the position, located in the middle of the cylinder body, of the crankcase body. Simple to operate, rational in infrastructure.

Furthermore, a main shaft mounting hole is formed in the crankcase body. The structure is reasonable, compact and convenient to install.

Compared with the prior art, the utility model has the advantages that: the use cost is reduced, the maintenance and the repair at the later stage are convenient, the installation is convenient, and the cooling effect is good.

Drawings

FIG. 1 is a three-dimensional schematic of the present invention.

Fig. 2 is a three-dimensional view of a crankcase body according to the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2.

FIG. 4 is a three-dimensional schematic view of a cylinder block of the present invention.

FIG. 5 is a top view of the cylinder block of the present invention.

In the figure:

1. a crankcase body; 2. a cylinder body; 3. a balance water channel; 4. a housing; 5. a cylinder liner; 6. a water jacket; 7. a first connection port; 8. a second connection port; 9. a water inlet; 10. a chain cavity; 11. a crankshaft mounting hole; 12. and a main shaft mounting hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, a V-type 4-cylinder engine cylinder block of the present invention is disclosed, in the present embodiment, the cylinder block includes a crankcase 1, a cylinder block 2 and a balance water channel 3, two of the cylinder blocks 2 are symmetrically disposed and detachably connected to the crankcase 1, and the balance water channel 3 is disposed at a V-shaped included angle of the crankcase 1; wherein, the cylinder body 2 comprises a shell 4 and a cylinder sleeve 5 integrated with the shell 4; a water jacket 6 is formed between the cylinder liner 5 and the housing 4; a first connecting port 7 is arranged at one side of the bottom of the water jacket 6 close to the balance water channel 3; a second connection port 8 communicating with the balance water passage 3 is provided in the crankcase body 1 opposite to the first connection port 7. The two cylinder bodies 2 are arranged, each cylinder body 2 is provided with two cylinders, the cylinder bodies 2 are arranged at the top of the crankcase body 1 and detachably connected with each other and can be connected with each other through positioning pins and bolt pairs; the cylinder body is divided into two parts, so that the mass and the volume are reduced, the installation is convenient, the later maintenance and repair are convenient, and the cylinder body 2 or the crankcase body 1 can be independently replaced and maintained when abnormal, thereby reducing the use cost, improving the working efficiency of operators and reducing the labor intensity; the cylinder block also comprises a balance water channel 3 arranged at a V-shaped included angle, the cylinder body 2 comprises a shell 4 and a cylinder sleeve 5, the cylinder sleeve 5 and the shell 4 are arranged integrally, the integral strength is ensured, the arrangement is convenient to install, the stable operation of an engine is ensured, the middle position of the cylinder sleeve 5 is connected with the shell 4, the bottom of the connection part is inserted in the crankcase body 1 for convenient installation, the top of the connection part and the shell 4 form a water jacket 6, a first connection port 7 is arranged at one side of the bottom of the water jacket 6 close to the balance water channel 3 and is matched with a second connection port 8 which is arranged in the crankcase body 1 and is communicated with the balance water channel 3, when in cooling, liquid in the balance water channel 3 enters the first connection port 7 from the second connection port 8 and then enters the water jacket 6 for cooling, and the engine is arranged in a V shape, the first connection port 7 is located at a high position, and the cooling efficiency is ensured.

Referring to fig. 1-5, a basic portion of an embodiment of a V-type 4-cylinder engine cylinder block according to the present invention is the same as that of the above embodiment, and details are not repeated herein, in this embodiment, a water inlet 9 of the balancing water channel 3 is disposed on a side surface of the crankcase 1, and liquid enters the balancing water channel 3 from the water inlet 9, so as to perform pressure buffering on the liquid, ensure water pressure balance, and improve cooling efficiency; the chain cavity 10 is arranged on the shell 4, so that the structure is reasonable and compact; meanwhile, a crankshaft mounting hole 11 is formed in the position, located in the middle of the cylinder body 2, of the crankcase body 1, and a spindle mounting hole 12 is formed in the crankcase body 1, so that the crankshaft type air cylinder is convenient to mount, reasonable in structure and compact in structure.

The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.

Claims

1. A V-type 4-cylinder engine cylinder block characterized in that: comprises that

A crankcase body;

the two cylinder bodies are symmetrically arranged and detachably connected to the crankcase body;

the balance water channel is arranged at a V-shaped included angle on the crankcase body;

the cylinder body comprises a shell and a cylinder sleeve integrated with the shell; a water jacket is formed between the cylinder sleeve and the shell; a first connecting port is arranged at one side of the bottom of the water jacket close to the balance water channel; and a second connecting port communicated with the balance water channel is arranged on the crankcase body opposite to the first connecting port.

2. The V-type 4-cylinder engine block according to claim 1, characterized in that: and the water inlet of the balance water channel is arranged on the side surface of the crankcase body.

3. The V-type 4-cylinder engine block according to claim 1 or 2, characterized in that: the shell is provided with a chain cavity.

4. The V-type 4-cylinder engine block according to claim 1 or 2, characterized in that: the crankcase body is provided with a crankshaft mounting hole at the middle position of the cylinder body.

5. The V-type 4-cylinder engine block according to claim 3, characterized in that: the crankcase body is provided with a crankshaft mounting hole at the middle position of the cylinder body.

6. The V-type 4-cylinder engine block according to claim 1 or 2, characterized in that: the crankcase body is also provided with a main shaft mounting hole.

7. The V-type 4-cylinder engine block according to claim 3, characterized in that: the crankcase body is also provided with a main shaft mounting hole.

8. The V-type 4-cylinder engine block according to claim 4, characterized in that: the crankcase body is also provided with a main shaft mounting hole.