CN217950535U - Engine body cooling water jacket structure of multi-cylinder engine - Google Patents

Abstract

The utility model relates to the technical field of engine, a organism cooling water jacket structure of multi-cylinder engine is disclosed, including the engine jar, the engine jar includes the cylinder body, the middle part fixedly connected with water jacket of cylinder body, the water course has been seted up at the middle part of cylinder body and water jacket, the front end of water course is connected with the water inlet, the rear end of water course is connected with the delivery port, first baffle and second baffle have been cup jointed to the inside of water course, just the internal connection of water course has the drainage piece. The first baffle and the second baffle are sleeved in the water channel, the water channel forms an S-shaped flow channel in each cylinder body through the first baffle and the second baffle, the cooling water conveniently forms a flow path from front to back and from bottom to top in each cylinder body, the strength and the service life of the cylinder body are prevented from being reduced due to the fact that the cooling water is cooled at the inner part of the front cylinder body and the back cylinder body at different temperatures, the cylinder body is enabled to be uniform and prevented from deforming when being cooled, and the service life of the cylinder body is guaranteed.

Description

Engine body cooling water jacket structure of multi-cylinder engine

Technical Field

The utility model relates to the technical field of engines, specifically be an organism cooling water jacket structure of multi-cylinder engine.

Background

In order to reduce the temperature of the wall surface of a combustion chamber of an engine, improve the power per liter of the engine and improve the emission performance of the engine, the engine at the present stage basically adopts a water-cooling structure, a water-cooling engine is provided with cooling water jackets in a cylinder cover and a cylinder body, and a water pump drives cooling liquid to circularly flow in the engine and a heat dissipation system so as to cool the engine.

Most of the existing engines are of multi-cylinder structures, but due to the difference of distances between the cylinders arranged in front and at the back and a water pump, the difference of flow rates of cooling water flowing through the cylinders in front and at the back is large, the cooling water jacket of the commonly used cylinders has very little cooling liquid on one side, a flow dead zone is easily formed in the water jacket, poor cooling is caused, the cylinder structures generate thermal deformation, and then large thermal strain is generated, the strength of the cylinder bodies is reduced, and the service life of the cylinder bodies is prolonged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-cylinder engine's organism cooling water jacket structure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an organism cooling water jacket structure of multi-cylinder engine, includes the engine jar, the engine jar includes the cylinder body, the middle part fixedly connected with water jacket of cylinder body, the water course has been seted up at the middle part of cylinder body and water jacket, the front end of water course is connected with the water inlet, the rear end of water course is connected with the delivery port, first baffle and second baffle have been cup jointed to the inside of water course, just the internal connection of water course has the drainage piece, the mounting groove has been seted up to the bottom of water jacket, cooling coil has been cup jointed to the inside of mounting groove, cooling coil's bottom is connected with the bottom plate.

Optionally, the first baffle and the second baffle are four rings which are connected in an intersecting manner, one end of the first baffle and one end of the second baffle are both provided with notches, the first baffle and the second baffle form an S-shaped flow channel in the water channel through the notches, and the first baffle and the second baffle are both connected with the inside of the water channel in a seamless manner.

Optionally, the drainage pieces are comb-shaped guide plates which are parallel up and down, and the drainage pieces are equidistantly installed inside the S-shaped flow passage of the water passage.

Optionally, the cooling coil is a W-ring-shaped pipe, and the height value of the cooling coil is consistent with the inner height value of the mounting groove.

Optionally, the quantity of cooling coil is four, four cooling coil's bottom all is connected with into oil pipe and goes out oil pipe, and four advance oil pipe and four go out oil pipe and be one side of gathering the back and pierce through the bottom plate connection at the bottom plate.

Optionally, the upper end of the engine cylinder and the bottom plate are both provided with assembly holes.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the engine body cooling water jacket structure of the multi-cylinder engine, the first baffle and the second baffle are sleeved in the water channel, the water channel forms the S-shaped flow channel in each cylinder body through the first baffle and the second baffle, so that a flow path from front to back and from bottom to top is formed in each cylinder body conveniently, the condition that the cooling temperature of the cooling water in the front cylinder body and the back cylinder body is uneven to reduce the strength and the service life of the cylinder body is avoided, the cylinder body is uniformly and consistently cooled, the cylinder body is prevented from being deformed, and the service life of the cylinder body is ensured.

2. This multi-cylinder engine's organism cooling water jacket structure sets up in the mounting groove through the bottom at the water jacket, and the cooling coil has been cup jointed to the inside of mounting groove, and cooling coil is W dress winding on the annular inner wall of mounting groove to independent and outside intercommunication are convenient for carry out solitary oil circuit cooling to the water jacket through cooling coil, improve refrigerated speed, are convenient for improve the performance power of engine cylinder body.

Drawings

Fig. 1 is a schematic overall structure diagram of an engine body cooling water jacket structure of a multi-cylinder engine according to the present invention;

fig. 2 is a cross-sectional view of an engine cylinder of an engine body cooling water jacket structure of a multi-cylinder engine according to the present invention;

fig. 3 is a schematic view of a first baffle plate of the engine body cooling water jacket structure of the multi-cylinder engine of the present invention;

fig. 4 is a schematic view of a cooling coil of the engine body cooling water jacket structure of the multi-cylinder engine of the present invention;

fig. 5 is an enlarged schematic view of an engine cylinder of an engine body cooling water jacket structure of the multi-cylinder engine of the present invention.

In the figure: 1. an engine cylinder; 11. a cylinder body; 12. a water jacket; 13. a water channel; 14. a water inlet; 15. a water outlet; 16. a drainage sheet; 17. mounting grooves; 2. a first baffle plate; 3. a second baffle; 4. a base plate; 5. and cooling the coil.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 to 5, the utility model provides an organism cooling water jacket structure of multi-cylinder engine, including engine jar 1, engine jar 1 includes cylinder body 11, the middle part fixedly connected with water jacket 12 of cylinder body 11, water course 13 has been seted up at the middle part of cylinder body 11 and water jacket 12, the front end of water course 13 is connected with water inlet 14, the rear end of water course 13 is connected with delivery port 15, first baffle 2 and second baffle 3 have been cup jointed to the inside of water course 13, and the internally connected with drainage piece 16 of water course 13, mounting groove 17 has been seted up to water jacket 12's bottom, cooling coil 5 has been cup jointed to the inside of mounting groove 17, cooling coil 5's bottom is connected with bottom plate 4.

First baffle 2 and second baffle 3 are the rings of four crossing connections, the one end of first baffle 2 and second baffle 3 all is equipped with the breach, and form S-shaped runner with first baffle 2 and second baffle 3 in the inside of water course 13 through the breach, and first baffle 2 and second baffle 3 all with the inside seamless connection of water course 13, first baffle 2 and second baffle 3 are installed in the inside of water course 13, carry out layering from top to bottom with water course 13, avoid the inside cooling water of water course 13 to hoard in the cylinder body outside of front side and lead to the temperature in the cooling water and the unable even exchange of carrying out of the temperature of the cylinder body of both sides around with, lead to the temperature inequality around the cylinder body, make the phenomenon that deformation damaged appear easily in the cylinder body.

The drainage sheets 16 are comb-shaped guide plates which are parallel up and down, the drainage sheets 16 are equidistantly installed inside an S-shaped flow channel of the water channel 13, the drainage sheets 16 are installed inside the water channel 13 to dredge cooling water flowing through the inside of the water channel 13, so that the cooling water can uniformly flow in the S-shaped flow channel 13, the engine cylinder 1 is cooled from bottom to top from front to back, and the engine cylinder 1 is convenient to use.

The cooling coil 5 is a W-shaped annular pipe, the height value of the cooling coil 5 is consistent with the inner height value of the mounting groove 17, the cooling effect and the cooling speed of the water jacket 12 are increased due to the installation of the cooling coil 5, and the performance and the quality of the engine cylinder 1 in use are guaranteed.

Cooling coil 5's quantity is four, four cooling coil 5's bottom all is connected with into oil pipe and goes out oil pipe, and four advance oil pipe and four go out oil pipe and be and pierce through bottom plate 4 and connect in one side of bottom plate 4 after gathering, all carry out four cooling coil 5 independently and be connected with the oil tank, make the oil tank solitary carry out the circulation of coolant oil to cooling coil 5 inside, be convenient for improve cooling coil 5 to the cooling effect of engine cylinder 1, the uneven phenomenon of cooling appears on the body around avoiding engine cylinder 1.

All install the pilot hole on the upper end of engine jar 1 and the bottom plate 4, be connected fixedly cylinder body and other accessories of cylinder cap and engine through the pilot hole on engine jar 1 and the bottom plate 4, the installation of the cylinder body of being convenient for is used.

The working principle is as follows: when the device is used, a water channel 13 and a mounting groove 17 are respectively formed in the middle of an engine cylinder 1, two ends of the water channel 13 are respectively connected with a cooling water tank through a water inlet 14 and a water outlet 15, cooling can be conducted in the internal circulation of the water channel 13 to conduct heat dissipation of the engine cylinder 1, a first baffle plate 2 and a second baffle plate 3 are arranged in the water channel 13, the interior of the engine cylinder 1 is layered through the first baffle plate 2 and the second baffle plate 3, and an S-shaped flow channel is formed above and below the water channel 13, so that the phenomenon that when cooling water flows through the interior of the water channel 13, the front temperature difference and the rear temperature difference of each cylinder body are too large, the cooling is uneven is avoided, a flow guide sheet 16 is arranged in the water channel 13, the cooling water circulating in the water channel 13 is guided and layered through the flow guide sheet 16, the cooling water can be conveniently and uniformly and rapidly circulated, the cooling water is prevented from being blocked, and the efficient heat dissipation of the cooling water is ensured; and the cooling coil 5 is arranged in the mounting groove 17, and the cooling coil 5 is used for carrying out independent oil circuit circulation on the water jacket 12, so that the heat dissipation effect of the water jacket 12 is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an organism cooling water jacket structure of multi-cylinder engine, includes engine cylinder (1), its characterized in that, engine cylinder (1) includes cylinder body (11), the middle part fixedly connected with water jacket (12) of cylinder body (11), water course (13) have been seted up at the middle part of cylinder body (11) and water jacket (12), the front end of water course (13) is connected with water inlet (14), the rear end of water course (13) is connected with delivery port (15), first baffle (2) and second baffle (3) have been cup jointed to the inside of water course (13), just the internal connection of water course (13) has drainage piece (16), mounting groove (17) have been seted up to the bottom of water jacket (12), cooling coil (5) have been cup jointed to the inside of mounting groove (17), the bottom of cooling coil (5) is connected with bottom plate (4).

2. The engine body cooling water jacket structure of the multi-cylinder engine according to claim 1, characterized in that the first baffle (2) and the second baffle (3) are four intersecting rings, one end of each of the first baffle (2) and the second baffle (3) is provided with a notch, the first baffle (2) and the second baffle (3) are formed into an S-shaped flow passage in the water channel (13) through the notches, and the first baffle (2) and the second baffle (3) are seamlessly connected with the inside of the water channel (13).

3. The engine body cooling water jacket structure of the multi-cylinder engine according to claim 1, characterized in that the flow guide plates (16) are comb-shaped guide plates which are arranged in parallel up and down, and the flow guide plates (16) are equidistantly installed inside the S-shaped flow passage of the water passage (13).

4. The engine body cooling water jacket structure of the multi-cylinder engine according to claim 1, characterized in that the cooling coil (5) is a W-ring shaped pipe, and the height value of the cooling coil (5) is consistent with the inner height value of the mounting groove (17).

5. The engine body cooling water jacket structure of the multi-cylinder engine according to claim 1, characterized in that the number of the cooling coils (5) is four, the bottom of each of the four cooling coils (5) is connected with an oil inlet pipe and an oil outlet pipe, and the four oil inlet pipes and the four oil outlet pipes are connected to one side of the bottom plate (4) after being gathered and penetrating through the bottom plate (4).

6. The engine body cooling water jacket structure of a multi-cylinder engine according to claim 1, characterized in that fitting holes are installed on both the upper end of the engine cylinder (1) and the bottom plate (4).

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