CN210531002U

CN210531002U - Energy-saving cylinder block for gasoline engine

Info

Publication number: CN210531002U
Application number: CN201920646472.2U
Authority: CN
Inventors: 朱德军
Original assignee: Yangzhou Weizhideng Power Co ltd
Current assignee: Yangzhou Weizhideng Power Co ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-05-15
Anticipated expiration: 2029-05-07

Abstract

The utility model provides an energy-saving cylinder body for a gasoline engine, which comprises a cylinder body formed by casting, wherein a cylinder sleeve is arranged in the cylinder body, a heat-conducting plate is integrally formed on the outer wall of the cylinder body by casting, the outer wall of the cylinder body is circumferentially and hermetically connected with a frame structure, one side of the frame structure, which is far away from the cylinder body, is hermetically connected with a coaming and a guide plate on the cylinder body, frame construction and bounding wall enclose to establish and form a cooling space, be equipped with a plurality of fin of rigid coupling in the heat-conducting plate in the cooling space, the direction of height or the circumference interval setting of cylinder body are followed to a plurality of fin, a plurality of cooling channel that a plurality of fin will cool off the space and cut apart into mutual intercommunication, the fin is the wave, the water inlet that communicates in cooling channel is seted up at frame construction's top, the delivery port that communicates in cooling channel is seted up to frame construction's bottom, be formed with the recess of spiral setting on the inner wall of cylinder body, be equipped with the spiral arch who matches in the recess on the outer wall of cylinder liner. The utility model provides a heat dissipation type cylinder block has better heat dispersion.

Description

Energy-saving cylinder block for gasoline engine

Technical Field

The utility model relates to a cylinder field especially relates to an energy-saving cylinder block for gasoline engine.

Background

The existing cylinder block generally adopts a radiating fin or a water cooling mode to radiate heat. The radiating fins are uniformly arranged on the cylinder body during radiating, the water cooling structure is generally arranged on the outer wall of the cylinder body during water cooling radiating, the balance of the temperature distribution of the cylinder body after radiating cannot be effectively guaranteed by adopting the two modes, the radiating effect is poor, and the working energy consumption of the cylinder body can be increased for a long time. Therefore, an energy-saving cylinder block needs to be designed, so that good heat dissipation performance is guaranteed, the working energy consumption of the cylinder block is reduced, and the purposes of energy conservation and temperature reduction are achieved.

SUMMERY OF THE UTILITY MODEL

In view of the above circumstances, the utility model provides an energy-saving cylinder block for gasoline engine combines fin and water-cooled mode to dispel the heat, has better radiating effect.

In order to achieve the above object, the utility model discloses an energy-saving cylinder block for gasoline engine, include: the cylinder body is formed by casting, a cylinder sleeve is installed in the cylinder body, a heat conducting plate is integrally cast and formed on the outer wall of the cylinder body, a frame structure is connected to the circumferential direction of the outer wall of the cylinder body in a sealing manner, a surrounding plate is connected to one side, far away from the cylinder body, of the frame structure in a sealing manner, the heat conducting plate, the frame structure and the surrounding plate on the cylinder body enclose a cooling space, a plurality of radiating fins fixedly connected to the heat conducting plate are arranged in the cooling space, the radiating fins are arranged along the height direction or circumferential direction of the cylinder body at intervals, the cooling space is divided into a plurality of cooling channels which are mutually communicated by the radiating fins, the radiating fins are wavy, a water inlet communicated with the cooling channels is formed in the top of the frame structure, a water outlet communicated with the cooling channels is formed in the bottom of the frame structure, and, and the outer wall of the cylinder sleeve is provided with a spiral bulge matched with the groove.

The beneficial effects of the utility model reside in that:

(1) through setting up the cooling space and setting up the fin of locating in the cooling space, realize the holistic heat dissipation of cylinder block, compare with independent fin heat dissipation or water-cooling heat dissipation, the radiating effect is better to this reduces the energy consumption of cylinder block work, has better energy-conservation nature.

(2) Through setting the fin into the wave, can further improve the area of contact between fin and the cooling water, better realization thermal transmission has better cooling effect.

(3) The heat-conducting plate is formed by integral casting, so that the connection strength between the heat-conducting plate and the cylinder body can be improved, and the heat transfer (by utilizing the better heat-conducting property of the heat-conducting plate) can be better realized.

(4) Through the recess that sets up the spiral setting at the inner wall of cylinder body, set up assorted spiral arch on the outer wall of cylinder liner, the realization cylinder liner that can be better and the cylinder body between be connected, reduce the clearance at the position of connecting between the two, realize better heat transfer between the two.

The utility model relates to a gasoline engine is with further improvement of energy-saving cylinder block lies in, the bottom of cylinder body is equipped with U style of calligraphy positioning channel groove.

The utility model relates to a gasoline engine lies in with further improvement of energy-saving cylinder block, the top of cylinder body is equipped with the mounting hole that is used for connecting the cylinder cap.

The utility model relates to a gasoline engine is with further improvement of energy-saving cylinder block lies in, the louvre has been seted up on the fin. Further improve the area of contact between fin and the cooling water, improve heat dispersion.

The utility model relates to a gasoline engine is with further improvement of energy-saving cylinder block lies in, the fin is followed the direction of height interval of cylinder block sets up, adjacent two distance between the fin certainly the top of cylinder block extremely the bottom crescent of cylinder block. The temperature on cylinder body surface reduces from the top to the bottom gradually, corresponds crescent through the interval with adjacent fin, can avoid the fin when equidistant setting unnecessary extravagant under the condition of guaranteeing the radiating effect.

The utility model relates to a gasoline engine is with further improvement of energy-saving cylinder block lies in, a plurality of the fin is followed the equidistant setting in circumference of cylinder block.

Drawings

Fig. 1 is a schematic structural diagram of an energy-saving cylinder block for a gasoline engine of the present invention.

Detailed Description

To facilitate understanding of the present invention, the following description is made with reference to the accompanying drawings and examples.

Referring to fig. 1, the utility model discloses an energy-saving cylinder body for gasoline engine, including a cylinder body 1 formed by casting and a cylinder sleeve 2 installed in the cylinder body 1, a heat conducting plate 3 is formed by casting on the outer wall of the cylinder body 1, a frame structure 4 is connected with the outer wall of the cylinder body 1 in a circumferential sealing manner, a side of the frame structure 4 far away from the cylinder body 1 is connected with a coaming 5 in a sealing manner, the heat conducting plate 3 on the cylinder body 1, the frame structure 4 and the coaming 5 are enclosed to form a cooling space 7, a plurality of radiating fins 6 fixedly connected to the heat conducting plate 3 are arranged in the cooling space 7, the plurality of radiating fins 6 are arranged along the height direction or circumferential direction of the cylinder body 1 at intervals, the cooling space 7 is divided into a plurality of mutually communicated cooling channels by the plurality of radiating fins 6, the radiating fins 6 are wave-shaped, a water inlet 41 communicated with the cooling channels is arranged, the inner wall of the cylinder body 1 is provided with a spirally arranged groove, and the outer wall of the cylinder sleeve 2 is provided with a spiral bulge (not marked in the figure) matched with the groove. In the embodiment, (1) by combining the radiating fins 6 with water cooling, the heat in the cylinder body (including the cylinder body 1 and the cylinder sleeve 2) can be quickly transferred out by utilizing the good heat conductivity of the radiating fins 6, and meanwhile, the heat on the radiating fins 6 can be quickly taken away by utilizing the large contact area between the radiating fins 6 and the cooling water and the strong heat absorption capacity of the cooling water, so that the radiating efficiency is improved, the radiating balance of the cylinder body is ensured, the working energy consumption is reduced, and the energy-saving performance is better; (2) the radiating fins 6 are arranged in a wave shape, so that the contact area between the radiating fins 6 and cooling water is greatly increased; (3) through setting up the clearance that spiral protrusion and recess can be connected the position between cylinder body 1 and the cylinder liner 2, improve heat-conduction between the two, guarantee the holistic heat dispersion of whole cylinder body. Specifically, (1) the heat sink 6 is provided with heat dissipation holes for increasing the contact area between the heat sink 6 and water, thereby further improving the heat dissipation performance; (2) the inner side of the coaming 5 is provided with a clamping groove (not shown in the figure) for clamping the radiating fin 6, so that the radiating fin 6 is connected with the coaming 5, and the integral structural strength of the cooling space 7 is ensured to meet the use requirement.

Further, the cooling fins 6 are arranged at intervals along the height direction of the cylinder body 1, and the distance between two adjacent cooling fins is gradually increased from the top of the cylinder body 1 to the bottom of the cylinder body 1. In actual use, the temperature distribution on the surface of the cylinder body 1 is uneven, and the temperature is gradually reduced from the top of the cylinder body 1 to the bottom of the cylinder body 1, so that the waste of the radiating fins 6 is avoided while the balance of heat dissipation performance is ensured by the arrangement in the embodiment, and the overall production cost is reduced. Specifically, the heat sink 6 is an annular heat sink 6 provided with a gap, and the gap functions to realize circulation between different cooling channels. Further, the width of the radiating fins 6 is gradually reduced from the top of the cylinder 1 to the top of the cylinder 1.

Further, a plurality of fins 6 are provided at equal intervals in the circumferential direction of the cylinder block 1.

In the utility model, (1) the bottom of the cylinder body 1 is provided with a U-shaped positioning slot to fix the cylinder body 1 (not shown in the figure); (2) the top of the cylinder body 1 is provided with a mounting hole (not shown in the figure) for connecting a cylinder cover, and the mounting hole is a threaded hole for realizing the connection between the cylinder body 1 and the cylinder cover.

In actual use, cold air can be introduced into the cooling space 7, and the cooling and heat dissipation can be carried out by utilizing the cold air and the heat dissipation fins.

The utility model relates to a beneficial effect of energy-saving cylinder block for gasoline engine includes:

1. through setting up cooling space and fin, combine fin and water-cooled advantage (heat exchange efficiency is high), realization cooling radiating effect that can be better to reduce the work energy consumption of cylinder block, prolong the life of cylinder block.

2. Through setting up the clearance that spiral protrusion and recess can be connected the position between cylinder body and the cylinder liner, improve heat-conduction between the two, guarantee the heat dispersion of whole cylinder body.

3. Simple structure has better radiating effect, has reduced the use cost of fin simultaneously.

The above is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the above preferred embodiments, but the present invention is not limited to the above embodiments, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention, but all the technical matters of the present invention are within the scope of the technical solution of the present invention.

It should be noted that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the range that the technical content disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention.

Claims

1. The utility model provides an energy-saving cylinder block for gasoline engine, includes the fashioned cylinder body of casting, install the cylinder liner in the cylinder body, its characterized in that: the outer wall of the cylinder body is integrally cast with a heat conducting plate, the outer wall of the cylinder body is circumferentially and hermetically connected with a frame structure, a side plate is hermetically connected with one side of the frame structure far away from the cylinder body, a cooling space is formed by the heat conducting plate on the cylinder body, the frame structure and the side plate in a surrounding way, the cooling space is internally provided with a plurality of radiating fins fixedly connected with the heat conducting plate, the radiating fins are arranged at intervals along the height direction or the circumferential direction of the cylinder body, the cooling space is divided into a plurality of cooling channels which are communicated with each other by the radiating fins, the radiating fins are wavy, the top of the frame structure is provided with a water inlet communicated with the cooling channel, the bottom of the frame structure is provided with a water outlet communicated with the cooling channel, the inner wall of the cylinder body is provided with a spirally arranged groove, and the outer wall of the cylinder sleeve is provided with a spiral protrusion matched with the groove.

2. The energy-saving cylinder block for a gasoline engine according to claim 1, characterized in that: the bottom of cylinder body is equipped with U style of calligraphy positioning channel groove.

3. The energy-saving cylinder block for a gasoline engine according to claim 1, characterized in that: the top of the cylinder body is provided with a mounting hole for connecting a cylinder cover.

4. The energy-saving cylinder block for a gasoline engine according to claim 1, characterized in that: the radiating fins are provided with radiating holes.

5. The energy-saving cylinder block for a gasoline engine according to claim 1, characterized in that: the cooling fins are arranged at intervals along the height direction of the cylinder body, and the distance between every two adjacent cooling fins is gradually increased from the top of the cylinder body to the bottom of the cylinder body.

6. The energy-saving cylinder block for a gasoline engine according to claim 1, characterized in that: the plurality of the radiating fins are arranged at equal intervals along the circumferential direction of the cylinder body.