CN114017176A

CN114017176A - Engine

Info

Publication number: CN114017176A
Application number: CN202111206737.5A
Authority: CN
Inventors: 王进峰; 李寒磊; 张晏源; 邱洋
Original assignee: Jiangsu Changfa Agricultural Equipment Co Ltd
Current assignee: Jiangsu Changfa Agricultural Equipment Co Ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-02-08

Abstract

The present invention provides an engine, comprising: the water dispenser comprises a machine body, a water inlet and a water outlet, wherein a first water inlet and a first water outlet are formed in the machine body; the engine oil cooler cover is fixed to the engine body and comprises a first cavity and a second cavity which are communicated with each other, the first cavity is communicated with the first water inlet, the second cavity is communicated with the first water outlet, and a drainage plate is arranged between the first cavity and the second cavity; and the engine oil cooler is fixed to the machine body, is positioned in the second cavity and is arranged in a non-contact manner with the engine oil cooler cover. According to the invention, the engine oil cooler is directly fixed on the engine body, and the cover of the engine oil cooler is arranged to cover the engine oil cooler, so that the sealing performance is improved while the manufacturability is improved, and the good stability of the engine is ensured.

Description

Engine

Technical Field

The invention relates to the technical field of engines, in particular to an engine oil cooler.

Background

In the prior art, the oil cooler is fixed on an oil cooler cover, and the oil cooler cover is provided with a processing oil passage and is communicated with the oil cooler. Or the oil cooler is fixed on an independently arranged mounting seat, one side of the mounting seat is assembled on the machine body, the oil cooler cover is assembled on the other side of the mounting seat, and the oil cooler is positioned between the mounting seat and the oil cooler cover. The structure of the prior art is complex, the gaps are many, and oil leakage is easy. Therefore, there is a need for an engine that overcomes the above-mentioned deficiencies.

Disclosure of Invention

An object of the present invention is to provide an engine in which an oil cooler is fixed to a machine body.

According to an aspect of the present invention, there is provided an engine comprising:

the water dispenser comprises a machine body, a water inlet and a water outlet, wherein a first water inlet and a first water outlet are formed in the machine body;

the engine oil cooler cover is fixed to the engine body and comprises a first cavity and a second cavity which are communicated with each other, the first cavity is communicated with the first water inlet, the second cavity is communicated with the first water outlet, and a drainage plate is arranged between the first cavity and the second cavity;

and the engine oil cooler is fixed to the machine body, is positioned in the second cavity and is arranged in a non-contact manner with the engine oil cooler cover.

Preferably, the oil cooler cover comprises a first side wall located at the bottom of the first cavity, a first opening is formed between the first side wall and the drainage plate, the first cavity and the second cavity are communicated through the first opening, and the first water inlet is located above the first opening.

Preferably, a throttle plate is arranged on the drainage plate, the throttle plate is arranged on one side close to the oil cooler, the throttle plate is arranged to protrude from the drainage plate towards the oil cooler, and a gap is formed between the throttle plate and the oil cooler.

Preferably, the oil cooler cover further comprises a second side wall arranged in the vertical direction, a protruding portion is arranged between the second side wall and the oil cooler, the protruding portion extends from the second side wall towards the oil cooler, and a gap is arranged between the protruding portion and the oil cooler.

Preferably, the engine oil cooler cover further comprises a transition portion, the transition portion comprises a first transition section and a second transition section, the first transition section extends from the second side wall in a bending mode towards the engine body, the second transition section extends vertically upwards from the first transition section, a third cavity is formed between the second transition section and the engine body, the third cavity is located above the second cavity, and the third cavity is communicated with the first water outlet.

Preferably, the volume of the engine oil cooler cover gradually decreases from the second cavity to the third cavity, the first water outlet is located above the first water inlet, the throttle plate is located below the third cavity, and the first opening is located below the engine oil cooler.

Preferably, a water discharge groove is formed in the bottom of the second cavity, a water discharge hole is further formed in the water discharge groove, a water discharge switch element is arranged outside the engine oil cooler, and the water discharge switch element is communicated with the water discharge hole.

Preferably, a camshaft mounting hole is further formed in the machine body, a fourth cavity communicated with the second cavity is further formed in the machine body, and the fourth cavity is partially arranged in the circumferential direction of the camshaft mounting hole.

Preferably, the machine body is further provided with a fifth cavity, the fifth cavity is located above the fourth cavity, a baffle is arranged between the fifth cavity and the fourth cavity, and the fifth cavity is communicated with the second cavity.

Preferably, still be equipped with main water cavity in the organism, main water cavity and third cavity are through first delivery port intercommunication, main water cavity is located the top of fifth cavity.

Compared with the prior art, the engine provided by the invention has the following beneficial effects:

the oil cooler and the oil cooler cover are directly assembled on the engine body, the structure is simple, and the sealing performance is good. The flow direction of the cooling liquid is vertically crossed with the flow direction of the engine oil, and the cooling effect is good. The throttle plate is designed to enable the cooling liquid to be in full contact with the engine oil cooler, and the cooling effect of the engine oil is guaranteed.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

FIG. 1 is a front cross-sectional view of an oil cooler cover of the present invention;

FIG. 2 is a cross-sectional view of the engine of the present invention;

FIG. 3 is a perspective view of an oil cooler cover of the present invention;

FIG. 4 is a partial perspective view of the engine of the present invention;

FIG. 5 is a side cross-sectional view of the oil cooler cover of the present invention;

FIG. 6 is a rear view of the oil cooler cover of the present invention.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In this context, it is to be understood that, unless otherwise explicitly stated 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.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

Referring to fig. 1, the present invention discloses an engine 100 including a body 1, an oil cooler 2, and an oil cooler cover 3. The oil cooler 2 is directly fixed on the machine body 1 through threaded connection, the oil cooler cover 3 covers the outside of the oil cooler 2 in a buckled mode, the oil cooler cover 3 is directly fixed on one side of the machine body 1 through threaded connection, and a sealing ring is arranged between the machine body 1 and the oil cooler cover 3. The oil cooler 2 and the oil cooler cover 3 are arranged in a non-contact manner.

The machine body 1 is provided with a first water inlet 11 and a first water outlet 12. The oil cooler cover 3 includes a first cavity 31 and a second cavity 32. The first cavity 31 is directly communicated with the first water inlet 31, and the second cavity 32 is communicated with the first water outlet 32.

A drainage plate 34 is arranged between the first cavity 31 and the second cavity 32, and the oil cooler cover 3 further comprises a first side wall 361 located at the bottom of the first cavity 31. A first opening 35 is formed between the drainage plate 34 and the first side wall 361, and the first cavity 31 and the second cavity 32 are communicated through the first opening 35. The first water inlet 11 is located above the first opening 35, the first water outlet 12 is located above the first water inlet 11, and the first opening 35 is located below the oil cooler 2 in the vertical direction.

Referring to fig. 1 and 3, a throttle plate 341 is provided on the flow guide plate 34, and the throttle plate 341 extends from the flow guide plate 34 toward the side where the oil cooler 2 is located. In this embodiment, the number of the throttle plates 341 is set to 3, and the number can be increased or decreased according to actual needs. A gap is provided between the throttle plate 341 and the oil cooler 2, and the throttle plate 341 functions to: the cooling liquid is fully contacted with the oil cooler 2, the cooling liquid is prevented from flowing through the outside of the oil cooler 2, and the cooling effect on the engine oil is further guaranteed.

Referring to fig. 4, the cooling liquid enters the first cavity 31 of the engine oil cooler cover 3 from the inside of the machine body 1 through the first water inlet 11, and enters the second cavity 32 through the first opening 35. The cooling liquid flows vertically upwards after entering the second cavity 32, cools the engine oil through the engine oil cooler 2, and finally flows into the engine water jacket from the first water outlet 12 above the second cavity 32.

Machine oil flows along the horizontal direction, and the coolant flow direction and the machine oil flow direction vertical crossing of this scheme, and the cooling effect is good. The role of the drainage plate 34 is: the cooling liquid is ensured to enter the second cavity 32 from the bottom of the second cavity 32 and flow from bottom to top to form vertical cross convection with the engine oil, and the cooling efficiency is improved.

Referring to fig. 2 and 5, the oil cooler cover 3 further includes a second side wall 362 disposed parallel to a mounting plane thereof. Oil cooler cover 3 is further provided with a protruding portion 3621 extending from second side wall 362 in the direction of oil cooler 2, and a gap is provided between protruding portion 3621 and oil cooler 2. The protrusion 3621 serves to improve the structural strength of the oil cooler cover 3, and serves as a throttle plate 341 to ensure sufficient contact between the coolant and the oil cooler 2.

Oil cooler cover 3 further includes a transition portion 363 extending upward from second side wall 362, and transition portion 363 includes a first transition portion 3631 extending from second side wall 362 in a curved manner toward engine block 1, and a second transition portion 3632 extending vertically upward from first transition portion 3631. The transition portion 363 and the machine body 1 form a third cavity 33 therebetween. In this embodiment, the number of the first water outlets 12 is two, and the two first water outlets are respectively located at the left and right sides of the third water cavity 33, so that the shape, size and number of the first water outlets 12 can be actually adjusted according to the requirement of the flow rate.

The volume of the second cavity 32 is gradually reduced to the third cavity 33, the third cavity 33 is directly communicated with the first water outlet 12, and the cooling liquid sequentially passes through the first water inlet 11, the first cavity 31, the second cavity 32, the third cavity 33 and the first water outlet 12 and enters the main water cavity 16. The flow speed of the cooling liquid from the second cavity 32 to the third cavity 33 is fast, which is beneficial to improving the cooling effect on the water jacket of the engine body after entering the main water cavity 16.

Referring to fig. 2 and 4, a camshaft installation hole 15, a fourth cavity 13 and a fifth cavity 14 are further formed in the machine body 1. The fourth cavity 13 is partially arranged along the circumferential direction of the camshaft mounting hole 15, the fifth cavity 14 is arranged above the fourth cavity 13, and a baffle plate 17 is arranged between the fifth cavity 14 and the fourth cavity 13. The main water chamber 16 is located above the fifth chamber 14.

The oil cooler 2 further comprises a mounting plate 21, and the mounting plate 21 is arranged in contact with the outer end of the baffle 17. The baffle 17 secures the strength of the engine body 1 while preventing the cooling liquid from flowing through the gap between the oil cooler 2 and the engine body 1 to cause a reduction in cooling efficiency.

Referring to fig. 6, the oil cooler cover 3 further includes a water discharging groove 37 disposed at the bottom of the second cavity 32, a water discharging hole 371 is disposed at the bottom of the water discharging groove 37, and a water discharging switch element 372 communicated with the water discharging hole 371 is disposed outside the oil cooler cover 3. The significance of the water discharge groove 37 is that: impurities and particles in the engine oil cooler cover 3 can be cleaned conveniently.

It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims

1. An engine, comprising:

2. The engine of claim 1, wherein the oil cooler cover comprises a first side wall located at the bottom of the first cavity, a first opening is formed between the first side wall and the flow guide plate, the first cavity and the second cavity are communicated through the first opening, and the first water inlet is located above the first opening.

3. The engine of claim 1, wherein the flow guide plate is provided with a throttle plate, the throttle plate is disposed on a side close to the oil cooler, the throttle plate is disposed to protrude from the flow guide plate in a direction toward the oil cooler, and a gap is provided between the throttle plate and the oil cooler.

4. The engine of claim 2, wherein the oil cooler cover further comprises a second side wall disposed in a vertical direction, wherein a protrusion is disposed between the second side wall and the oil cooler, the protrusion extending from the second side wall in a direction toward the oil cooler, and wherein a gap is disposed between the protrusion and the oil cooler.

5. The engine of claim 4, wherein the engine oil cooler cover further comprises a transition portion, the transition portion comprises a first transition section and a second transition section, the first transition section extends from the second side wall in a bending mode towards the engine body, the second transition section extends vertically upwards from the first transition section, a third cavity is formed between the second transition section and the engine body, the third cavity is located above the second cavity, and the third cavity is communicated with the first water outlet.

6. The engine of claim 5, wherein the volume of the oil cooler cover decreases from the second cavity to the third cavity, the first water outlet is located above the first water inlet, the throttle plate is located below the third cavity, and the first opening is located below the oil cooler.

7. The engine according to claim 1, characterized in that a water discharge groove is arranged at the bottom of the second cavity, a water discharge hole is further arranged in the water discharge groove, a water discharge switch element is arranged outside the oil cooler, and the water discharge switch element is communicated with the water discharge hole.

8. The engine of claim 5, wherein a camshaft mounting hole is further provided in the body, and the body is further provided with a fourth cavity communicating with the second cavity, the fourth cavity being partially provided in a circumferential direction of the camshaft mounting hole.

9. The engine of claim 8, wherein the engine body is further provided with a fifth cavity, the fifth cavity is positioned above the fourth cavity, a baffle is arranged between the fifth cavity and the fourth cavity, and the fifth cavity is communicated with the second cavity.

10. The engine of claim 9, wherein a main water cavity is further formed in the engine body, the main water cavity and the third cavity are communicated through the first water outlet, and the main water cavity is located above the fifth cavity.