CN216111027U

CN216111027U - Engine cylinder block, psammitolite, engine and vehicle

Info

Publication number: CN216111027U
Application number: CN202122838923.2U
Authority: CN
Inventors: 闫光辉; 杨志坤; 张堪想; 赵华
Original assignee: Honeycomb Power System Jiangsu Co ltd
Current assignee: Honeycomb Power System Jiangsu Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-03-22
Anticipated expiration: 2031-11-17

Abstract

The utility model provides an engine block, a sand core, an engine and a vehicle, wherein the engine block comprises: the water distribution cylinder comprises a cylinder body, wherein a cylinder water jacket and a water distribution jacket are arranged in the cylinder body at intervals respectively, the cylinder water jacket is communicated with a first cylinder water inlet and a cylinder water outlet respectively, the water distribution jacket is communicated with a water distribution water inlet and a water distribution water outlet respectively, and the water distribution water outlet and the first cylinder water inlet are formed in the top surface of the cylinder body. The engine cylinder body has the advantage of better cooling effect.

Description

Engine cylinder block, psammitolite, engine and vehicle

Technical Field

The utility model relates to the technical field of automobiles, in particular to an engine cylinder body, a sand core, an engine and a vehicle.

Background

The cooling water jacket of the cylinder block provides a storage cavity and a circulating channel for engine coolant, and the structural form of the cooling water jacket of the cylinder block is very important for an engine cooling system in order to enable the coolant to have low flow resistance and perform heat exchange and flow efficiently.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention is directed to an engine block, which has an advantage of better cooling effect by casting the upper end of the water distribution jacket into a stepped structure through a sand core and by increasing the cross section of the water distribution jacket from bottom to top through the sand core.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

an engine block, comprising: the water distribution cylinder comprises a cylinder body, wherein a cylinder water jacket and a water distribution jacket are arranged in the cylinder body at intervals respectively, the cylinder water jacket is communicated with a first cylinder water inlet and a cylinder water outlet respectively, the water distribution jacket is communicated with a water distribution water inlet and a water distribution water outlet respectively, and the water distribution water outlet and the first cylinder water inlet are formed in the top surface of the cylinder body.

According to the engine cylinder body provided by the embodiment of the utility model, the number of the water outlets of the cylinder body and the number of the water distribution water outlets are multiple, the multiple water outlets of the cylinder body are arranged at intervals, the multiple water distribution water outlets are arranged at intervals, and connecting ribs are formed between two adjacent water outlets of the cylinder body and between two adjacent water distribution water outlets.

According to the engine cylinder body provided by the embodiment of the utility model, the water distribution water outlet corresponds to a cylinder cover water inlet, the first cylinder body water inlet corresponds to a cylinder cover water outlet, the water distribution jacket is also communicated with an oil cooler water intake, and the cylinder body water jacket is also communicated with an oil cooler water return port.

According to the engine block of the embodiment of the present invention, the top surface of the block body is further formed with a plurality of piston ports.

According to the engine cylinder block provided by the embodiment of the utility model, a plurality of mounting holes are formed in the top surface of the cylinder block body, and the top surface of the cylinder block body is connected with a cylinder cover through the mounting holes by fasteners.

Compared with the prior art, the engine cylinder body has the advantage of better cooling effect by arranging the upper end of the sand core into the stepped structure and arranging the cross section of the sand core from bottom to top.

The sand core for an engine cylinder according to the second aspect of the present invention includes a cylinder block water jacket sand core and a water distribution water jacket sand core, and the cylinder block water jacket sand core includes: the water inlet device comprises a first body part, a second body part and a water outlet device, wherein the first body part is provided with a first forming part for forming a first cylinder water inlet and a second forming part for forming a cylinder water outlet; the water distribution cover sand core comprises: the second body part is respectively provided with a third forming part for forming a water distribution inlet and a fourth forming part for forming a water distribution outlet.

According to the sand core for the engine block of the second aspect of the present invention, the number of the first forming portions and the number of the fourth forming portions are both plural, the first forming portions and the fourth forming portions are both convex portions, the first body portion and the second body portion are both provided with plural concave portions for forming connecting ribs, and the concave portions are located between two adjacent convex portions to form a stepped structure together.

According to the sand core of the engine block of the second aspect of the present invention, the second body part is further provided with a fifth forming part for forming an oil cooler water intake, and the first body part is further provided with a sixth forming part for forming an oil cooler water return port.

In summary, according to the sand core of the second aspect of the present invention, the engine block of the first aspect of the present invention can be cast into an engine block having high reliability, high thermal efficiency and better cooling effect.

An engine according to a third aspect of the utility model includes: the engine oil cooler and the engine cylinder block, the engine cylinder block is connected with the engine oil cooler, and the engine cylinder block is the engine cylinder block of the first aspect of the utility model.

In conclusion, the engine according to the third aspect of the present invention has the advantages of high reliability, high thermal efficiency and better cooling effect.

According to the vehicle of the fourth aspect of the present invention, the engine of the third aspect is provided, and the vehicle has the same advantages as the engine described above with respect to the prior art, and therefore, the description thereof is omitted.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of a cylinder body according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a water distribution sleeve sand core according to an embodiment of the utility model;

FIG. 3 is a cross-sectional view of a cylinder block sand core;

FIG. 4 is a sectional view of the water distribution cover sand core according to the embodiment of the present invention;

fig. 5 is a schematic view of the flow of the coolant in the water distribution jacket in the engine cylinder according to the embodiment of the utility model.

Reference numerals:

100-engine block, 200-block body;

10-cylinder jacket, 12-first body part;

20-water distribution sleeve, 22-water distribution sleeve sand core, 221-second body part and 23-cylinder body water sleeve sand core;

30-top surface, 311-first cylinder water outlet, 312-water distribution water outlet, 32-connecting rib, 33-piston port, 34-mounting hole;

41-first formation, 42-second formation, 43-third formation, 44-fourth formation, 45-fifth formation, 46-sixth formation.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

An engine block 100 according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 5 in conjunction with the embodiment.

As shown in fig. 1, an engine block 100 according to an embodiment of the present invention, specifically, the engine block 100 includes: the cylinder body 200, further, the cylinder body 200 is provided with the cylinder water jacket 10 and the water distribution jacket 20 which are spaced from each other, specifically, the cylinder water jacket 10 is arranged along the circumferential direction of the engine cylinder 100, so that the heat dissipation effect of the engine cylinder 100 can be improved, the thermal deformation of the engine cylinder 100 is reduced, and the air leakage and the engine oil consumption are reduced. Further, the cylinder water jacket 10 is respectively communicated with a first cylinder water inlet 311 and a cylinder water outlet, further, the water distribution jacket 20 is respectively communicated with a water distribution water inlet 312 and a water distribution water outlet 312, and the water distribution water outlet 312 and the first cylinder water inlet 311 are both formed on the top surface of the cylinder body 200. Further, the cylinder water jacket 10 and the water distribution sleeve 20 are arranged at intervals, that is, the cylinder water jacket 10 and the water distribution sleeve 20 are opposite to each other and are not directly communicated with each other.

According to the engine block 100 of the embodiment of the utility model, the block water jacket 10 and the water distribution sleeve 20 are arranged, so that the advantage of better cooling effect is achieved.

Further, as shown in fig. 1, the number of the water outlets of the cylinder and the number of the water distribution outlets 312 are both multiple, the multiple water outlets of the cylinder are arranged at intervals, the multiple water distribution outlets 312 are arranged at intervals, and the connecting ribs 32 are formed between two adjacent water outlets of the cylinder and between two adjacent water distribution outlets 312. The top surface 30 of the cylinder body 200 is also formed with a plurality of piston ports 33. It should be noted that, in a specific embodiment, the connecting rib 32 may be disposed between the two cylinder outlets 311; in another specific embodiment, the connecting rib 32 may be disposed between two water outlet ports 312; in another specific embodiment, the connecting rib 32 can also be arranged between a cylinder water outlet 311 and a water distribution water outlet 312. Like this through set up a plurality of splice bars 32 at top surface 30, can effectively promote engine cylinder block 100's intensity, reduce the piston mouth 33 deformation that the burning leads to, and then reduce machine oil consumption and piston assembly air leakage volume to promote the lubricated effect in the middle of the piston assembly, reduced mechanical loss, promote engine thermal efficiency. In the description of the utility model, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.

Further, the water distribution outlet 312 corresponds to a water inlet of a cylinder cover, the first cylinder water inlet 311 corresponds to a water outlet of the cylinder cover, the water distribution sleeve 20 is further communicated with a water intake of the organic oil cooler, and the cylinder water jacket 10 is further communicated with a water return port of the organic oil cooler.

Further, in a specific embodiment, when 100% of the water flows into the water distribution sleeve 20 and flows out of the

water distribution sleeve

20, 100% of the water flows into the cylinder cover water jacket and then is divided by the cylinder cover, 20% of the water directly flows into the cylinder water jacket 10 for cooling the cylinder, and the remaining 80% of the water cools the cylinder cover and then flows into the cylinder water jacket 10 of the cylinder. Thereby enhancing the cooling effect on the engine block 100.

Further, as shown in fig. 1, the top surface 30 of the cylinder body 200 is further formed with a plurality of mounting holes 34, specifically, the top surface 30 of the cylinder body 200 is connected with the cylinder head through the mounting holes 34 by fasteners, and further, the top surface 30 is connected with the cylinder body 200 through the mounting holes 34 by fasteners. Further, the mounting holes 34 are plural, and the plural mounting holes 34 can be arranged on the top surface 30 at equal intervals, so that on one hand, the reliability of the connection between the top surface 30 and the cylinder body 200 can be ensured, and on the other hand, the uniformity of the stress in the connection between the top surface 30 and the cylinder body 200 can also be ensured. In the description of the present invention, "a plurality" means two or more.

In summary, according to the engine block 100 of the embodiment of the utility model, the block water jacket 10 and the water distribution jacket 20 are provided, so that the cooling effect is better.

The sand core according to the second aspect of the present invention, which is used for casting the engine block 100 of the first aspect of the present invention, further, as shown in fig. 3 and 4, includes a block sand-in-water core 23 and a water-in-water core 22, the block sand-in-water core 23 including: a first body part 12, the first body part 12 being provided with a first forming part 41 for forming a first cylinder water inlet 311 and a second forming part 42 for forming a cylinder water outlet, respectively; the water distribution cover sand core 22 includes: the second body part 221, the second body part 221 is provided with a third forming part 43 for forming a water distribution inlet and a fourth forming part 44 for forming a water distribution outlet 312.

Further, in the up-down direction, the cross section of the water distribution sleeve sand core 22 is increased from bottom to top, specifically, the bottom of the water distribution sleeve sand core 22 slowly rises to both sides, that is, the slope of the change from the bottom to the top of the water distribution sleeve sand core 22 is as small as possible, so that the variation of the cross section area of the water distribution sleeve 20 cast by the water distribution sleeve sand core 22 is smaller, the pressure loss of the flowing coolant is smaller, and the coolant can efficiently exchange heat and flow with low flow resistance, thereby improving the cooling effect of the engine cylinder 100. Further, the water inlet port is located at a middle position of the bottom end of the water distribution casing core 22, for example, in a specific embodiment, the water inlet port may be located at the lowest point of the middle position of the water distribution casing core 22.

Further, the water distribution sand core 22 may be used to cast a water distribution inlet and a water distribution outlet 312, and the water distribution inlet is connected to the water distribution outlet 312, so that the coolant enters the water distribution outlet 312 through the water distribution inlet. Further, the water distribution inlet is connected with the vehicle-mounted water pump, and the water distribution outlet 312 is connected with the water inlet end of the engine oil cooler. Therefore, the water inlet end of the vehicle-mounted water pump and the water inlet end of the engine oil cooler are not connected with the cylinder water jacket 10, and the water distribution jacket 20 is used as an intermediate channel for connection, so that the cooling effect of the engine cylinder 100 is better.

Further, the number of the first forming portions 41 and the number of the fourth forming portions 44 are both multiple, further, the first forming portions 41 and the fourth forming portions 44 are both convex portions, a plurality of concave portions for forming the connecting ribs 32 are arranged on the first body portion 12 and the second body portion 221, and the concave portions are located between two adjacent convex portions to form a stepped structure together. Specifically, the stepped structure is multiple, the strength of the top surface of the water distribution sleeve 20 after casting can be effectively improved by arranging the convex parts at the upper end of the water distribution sleeve sand core 22, the deformation of the piston port 33 caused by combustion is reduced, and the oil consumption is reduced. Further, the ladder structure is the water inlet of water distribution cover 20, can regard as the clear sand hole of water distribution cover 20 and the ascending passageway of coolant liquid through the ladder structure to can effectively promote cylinder body top surface intensity through the mouth of a river of notch cuttype, reduce the cylinder hole deformation and the machine oil consumption that the burning leads to.

Further, as shown in fig. 4, the second body portion 221 is further provided with a fifth forming portion 45 for forming an oil cooler water intake port, and as shown in fig. 3, the first body portion 12 is further provided with a sixth forming portion 46 for forming an oil cooler water return port.

It should be noted that the first cylinder water inlet 311 and the water distribution water outlet 312 are not communicated with each other on the engine cylinder 100, and the engine oil cooler may be connected to the first cylinder water inlet 311 and the water distribution water outlet 312 respectively.

Further, the water distribution inlet and outlet 312 may be disposed on the same side through the water distribution sand core 22. Of course, the water distribution inlet and the water distribution outlet 312 may also be disposed on different sides, and are not described herein again.

Further, in the up-down direction, the water inlet port (i.e., water distribution inlet) of the vehicle-mounted water pump is arranged at the lowest point of the middle position of the water distribution sleeve 20, the bottom of the water distribution sleeve 20 gradually rises towards both sides, and the slope of the bottom of the water distribution sleeve 20 is as small as possible, so that the smaller the variation of the cross-sectional area of the water distribution sleeve 20 is, the smaller the pressure loss of the flowing coolant is, and the heat dissipation efficiency of the engine cylinder 100 is favorably improved. In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.

In summary, according to the water distribution sleeve sand core 22 of the second aspect of the present invention, the upper end of the water distribution sleeve 20 is cast into a stepped structure, the stepped structure is an upper water gap of the water distribution sleeve 20, the stepped structure can be used as a sand cleaning hole of the water distribution sleeve 20 and a channel through which the coolant flows upwards, and the stepped water gap can effectively improve the strength of the top surface of the cylinder, reduce the cylinder bore deformation and the engine oil consumption caused by combustion, so that the engine cylinder 100 has an advantage of better cooling effect.

The flow pattern of the coolant in the water distribution jacket 20 in the engine block 100 according to the embodiment of the present invention will be described in detail with reference to fig. 5, wherein the direction of the arrows is the flow direction of the coolant.

Firstly, cooling liquid enters from a water distribution water inlet of the water distribution sleeve 20;

secondly, the cooling liquid flows leftwards and rightwards along the bottom contour of the water distribution sleeve 20 respectively, flows leftwards to a water taking port of the engine oil cooler, namely a water distribution water outlet 312, and then flows out of the water distribution sleeve 20 to enter the engine oil cooler;

finally, the coolant flows to the right and upwards through the water distribution outlet 312 of the water distribution sleeve 20, and then the coolant flows out of the water distribution sleeve 20 and enters the cylinder head.

An engine according to a third aspect of the utility model includes: an oil cooler and an engine block 100, specifically, the engine block 100 is connected to the oil cooler, and it should be noted that the engine block 100 described above is the engine block 100 according to the first aspect of the present invention.

The fourth aspect of the utility model also provides a vehicle that includes the engine of the third aspect described above, thereby having advantages of high reliability, high thermal efficiency, and better cooling effect.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An engine block (100), comprising: the cylinder body (200) is provided with a cylinder water jacket (10) and a water distribution jacket (20) which are spaced from each other, the cylinder water jacket (10) is communicated with a first cylinder water inlet (311) and a cylinder water outlet, the water distribution jacket (20) is communicated with a water distribution water inlet and a water distribution water outlet (312), and the water distribution water outlet (312) and the first cylinder water inlet (311) are formed in the top surface (30) of the cylinder body (200).

2. The engine block (100) according to claim 1, wherein the number of the block water outlets and the number of the water distribution water outlets (312) are both plural, the plural block water outlets are arranged at intervals, the plural water distribution water outlets (312) are arranged at intervals, and a connecting rib (32) is formed between two adjacent block water outlets and between two adjacent water distribution water outlets (312).

3. The engine block (100) according to claim 1, wherein the water distribution outlet (312) corresponds to a cylinder head water inlet, the first block water inlet (311) corresponds to a cylinder head water outlet, the water distribution jacket (20) is further communicated with an oil cooler water intake, and the block water jacket (10) is further communicated with an oil cooler water return.

4. The engine block (100) according to claim 1, wherein the top surface (30) of the block body (200) is further formed with a plurality of piston ports (33).

5. The engine block (100) according to claim 4, wherein the top surface (30) of the block body (200) is further formed with a plurality of mounting holes (34), and the top surface (30) of the block body (200) is connected with the cylinder head by fasteners passing through the mounting holes (34).

6. A sand core for casting the engine block (100) of claim 1, comprising a block water jacket sand core (23) and a water distribution water jacket sand core (22), the block water jacket sand core (23) comprising: a first body part (12), wherein a first forming part (41) for forming a first cylinder water inlet (311) and a second forming part (42) for forming a cylinder water outlet are respectively arranged on the first body part (12); the water distribution sleeve sand core (22) comprises: the water distribution device comprises a second body part (221), wherein a third forming part (43) for forming a water distribution inlet and a fourth forming part (44) for forming a water distribution outlet (312) are respectively arranged on the second body part (221).

7. The sand core for casting an engine block (100) according to claim 6, wherein the number of the first forming portions (41) and the number of the fourth forming portions (44) are each plural, the first forming portions (41) and the fourth forming portions (44) are each a convex portion, and a plurality of concave portions for forming connecting ribs (32) are provided on the first body portion (12) and the second body portion (221), the concave portions being located between adjacent two of the convex portions to collectively form a stepped structure.

8. A sand core for casting an engine block (100) according to claim 6, wherein the second body part (221) is further provided with a fifth formation (45) for forming an oil cooler water intake, and the first body part (12) is further provided with a sixth formation (46) for forming an oil cooler water return.

9. An engine, comprising:

an oil cooler;

an engine block (100), the engine block (100) being connected with the oil cooler, the engine block (100) being the engine block (100) according to any one of claims 1-5.

10. A vehicle characterized by comprising the engine according to claim 9.