Cylinder cover upper water jacket, cylinder cover cooling assembly and vehicle

Abstract

The utility model discloses a cylinder cover upper water jacket, a cylinder cover cooling assembly and a vehicle, the cylinder cover upper water jacket comprises a water jacket air inlet part, a water jacket main body part and a water jacket air exhaust part, the water jacket air inlet part and the water jacket air exhaust part are respectively connected with two sides of the water jacket main body part, and the water jacket air inlet part and the water jacket air exhaust part are connected with the water jacket main body part. The water jacket air inlet part is higher than the water jacket air exhaust part; wherein the water jacket air inlet part extends in the front-back direction, at least part of the top of the water jacket air inlet part is of an inclined structure, the inclined structure inclines upwards from back to front, and the front portion of the inclined structure is connected with an air overflow pipeline. According to the water jacket on the cylinder cover, it can be guaranteed that gas generated in the exhaust portion of the water jacket smoothly overflows, the possibility of unsmooth gas overflowing is reduced, the situation that gas which is not exhausted in time occupies the volume of cooling liquid can be avoided, and the water jacket on the cylinder cover can better exert the cooling capacity.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle manufacturing, in particular to a cylinder head upper water jacket, a cylinder head cooling assembly having the cylinder head upper water jacket, and a vehicle having the cylinder head upper water jacket or the cylinder head cooling assembly. Background Art

[0002] With the improvement of people's living standards, vehicles have become a more common means of transportation, and the engine is an important component of the vehicle. In the existing engine, a connecting hole is set in the cylinder head so that the gas in the exhaust part of the cylinder head water jacket can flow through the cylinder head main body water jacket and be discharged through the overflow pipe. The cylinder head water jacket and the cylinder head main body water jacket can share an overflow pipe, and the connecting hole is arranged at the highest point of the cylinder head water jacket and the cylinder head main body water jacket. However, when the highest point of the cylinder head water jacket does not match the overall mounting inclination angle reasonably, there is a risk of poor overflow of the water jacket on the cylinder head, and there is room for improvement. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a cylinder head upper water jacket, wherein the cylinder head upper water jacket can make the overflow pipe always be at the highest point of the engine, thereby making the gas generated in the water jacket exhaust part smoothly overflow from the cylinder head upper water jacket, reducing the possibility of the overflow problem.

[0004] According to the embodiment of the utility model, the cylinder head water jacket comprises: a water jacket air inlet portion, a water jacket main body portion and a water jacket exhaust portion, wherein the water jacket air inlet portion and the water jacket exhaust portion are respectively connected to two sides of the water jacket main body portion, and the height of the water jacket air inlet portion is set to be higher than the height of the water jacket exhaust portion; wherein the water jacket air inlet portion is extended in the front-to-back direction, and the top of the water jacket air inlet portion is at least partially constructed as an inclined structure, and the inclined structure is arranged to be inclined upward from the back to the front, and the front part of the inclined structure is connected to an overflow pipe.

[0005] According to the cylinder head water jacket of the embodiment of the utility model, by making the overflow pipe always at the highest point of the engine, it can ensure the smooth overflow of the gas generated in the exhaust part of the water jacket, reduce the possibility of the occurrence of poor overflow, and further reduce the possibility of cylinder head cavitation, cylinder head gasket blowby, sample damage and the like caused by poor overflow, and can avoid the gas that is not discharged in time occupying the volume of the coolant, so that the cylinder head water jacket can better exert its cooling capacity.

[0006] According to the cylinder head upper water jacket of some embodiments of the utility model, the inclination angle of the inclined structure relative to the horizontal direction is not less than the forward inclination angle of the engine arranged in the engine compartment.

[0007] According to some embodiments of the present invention, in the cylinder head water jacket, the front side edge of the inclined structure extends to the front end of the water jacket air inlet; and / or the rear side edge of the inclined structure extends to the rear end of the water jacket air inlet.

[0008] According to some embodiments of the utility model, the water jacket on the cylinder head is provided with a trimming surface on the side of the water jacket air inlet away from the water jacket main body, and the trimming surface is parallel to the front-to-back direction; at least a part of the water jacket air inlet on the side close to the water jacket main body is constructed as an inclined surface, and the inclined surface is arranged to be inclined from the front to the back in a direction away from the trimming surface.

[0009] According to some embodiments of the present invention, in the cylinder head water jacket, the inclination angle of the inclined surface relative to the trimmed surface is a, and satisfies: a≤10°.

[0010] According to some embodiments of the present invention, in the cylinder head water jacket, the front edge of the inclined surface extends to the front end of the water jacket air inlet; and / or the rear edge of the inclined surface extends to the rear end of the water jacket air inlet.

[0011] According to some embodiments of the present invention, the water jacket on the cylinder head is provided with a cylinder head exhaust duct hole on the main body of the water jacket, and the inclined surface is spaced apart and distributed from the cylinder head exhaust duct hole.

[0012] The utility model also provides a cylinder cover cooling component.

[0013] According to an embodiment of the utility model, the cylinder head cooling assembly comprises the cylinder head upper water jacket described in any one of the above embodiments, and the cylinder head upper water jacket is at least one group; wherein each group of the cylinder head upper water jackets is two, the two cylinder head upper water jackets are arranged opposite to each other, and the water jacket air inlets of the two cylinder head upper water jackets are located on one side close to each other.

[0014] According to the cylinder head cooling assembly of some embodiments of the present invention, the overflow pipes of the two cylinder head upper water jackets of each group are connected by a connecting pipe, and overflow is carried out through the same overflow pipe.

[0015] The utility model also provides a vehicle.

[0016] The vehicle according to the embodiment of the utility model is provided with the cylinder head upper water jacket described in any one of the above embodiments or the cylinder head cooling assembly described in any one of the above embodiments.

[0017] The advantages of the vehicle, the cylinder head cooling assembly and the cylinder head upper water jacket described above are the same as those of the prior art and will not be elaborated herein.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 is a top view of a water jacket on a cylinder head according to an embodiment of the utility model;

[0021] Figure 2 is a side view of a water jacket on a cylinder head according to an embodiment of the utility model;

[0022] Figure 3 is a front view of a cylinder head cooling assembly according to an embodiment of the utility model;

[0023] Figure 4 It is a top view of a cylinder head cooling assembly according to an embodiment of the utility model.

[0024] Reference numerals:

[0025] Cylinder head water jacket 100, cylinder head cooling assembly 200,

[0026] Water jacket air inlet 1, inclined structure 11, inclined surface 12, trimming surface 13, overflow pipe 14, water jacket main body 2, cylinder head exhaust duct hole 21, water jacket exhaust part 3,

[0027] Connecting pipe 201, overflow pipe 202. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0029] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] Unless otherwise specified, the front-to-back direction in this application is the longitudinal direction of the vehicle, that is, the X direction; the left-right direction is the lateral direction of the vehicle, that is, the Y direction; and the up-down direction is the vertical direction of the vehicle, that is, the Z direction.

[0032] Reference below Figure 1-Figure 4 The cylinder head upper water jacket 100 according to the embodiment of the utility model is described. By setting the height of the water jacket air inlet 1 to be higher than the height of the water jacket exhaust 3, and connecting the overflow pipe 14 to the water jacket air inlet 1, the gas generated in the water jacket exhaust 3 can be smoothly overflowed from the cylinder head upper water jacket 100, thereby reducing the possibility of the occurrence of poor overflow.

[0033] like Figure 1 As shown, a cylinder head upper water jacket 100 according to an embodiment of the utility model comprises: a water jacket air inlet portion 1, a water jacket main body portion 2 and a water jacket exhaust portion 3.

[0034] The water jacket air inlet 1 and the water jacket exhaust 3 are respectively connected to two sides of the water jacket main body 2 , and the height of the water jacket air inlet 1 is set higher than that of the water jacket exhaust 3 .

[0035] Specifically, the cylinder head upper water jacket 100 includes three parts, namely, a water jacket air intake portion 1, a water jacket main body portion 2 and a water jacket exhaust portion 3, and the water jacket air intake portion 1, the water jacket main body portion 2 and the water jacket exhaust portion 3 are sequentially arranged along the left and right directions, wherein the water jacket air intake portion 1 is used to cool the surrounding of the intake duct, the water jacket exhaust portion 3 is used to cool the surrounding of the exhaust duct, and the water jacket main body portion 2 is used to cool the surrounding of the combustion chamber. The water jacket air intake portion 1 and the water jacket exhaust portion 3 are respectively connected to the two sides of the water jacket main body portion 2, so that the intake duct and the exhaust duct can be connected. The pipes are respectively arranged on both sides of the combustion chamber, so that when the engine is working, the gas enters from the intake duct and reacts with the fuel in the combustion chamber to provide power for the vehicle, and the reacted gas is discharged from the exhaust duct, which can avoid the interference between the gas entering the combustion chamber and the gas discharged from the combustion chamber, thereby avoiding the influence on the combustion reaction, thereby ensuring the reliability of providing power for the vehicle. At the same time, the coolant can enter the water jacket main body 2 from the water jacket exhaust part 3 and then flow out from the water jacket intake part 1, forming a one-way circulation flow of the coolant and improving the cooling effect.

[0036] Furthermore, by setting the height of the water jacket air inlet 1 to be higher than that of the water jacket exhaust 3, the gas generated in the water jacket exhaust 3 can flow upward to the water jacket air inlet 1 and gather in the water jacket air inlet 1 first. Since the temperature of the water jacket air inlet 1 is lower than that of the water jacket exhaust 3 and the cooling demand is correspondingly lower, the short-term gas gathering will not have an excessive adverse effect on the cooling around the air intake duct.

[0037] The water jacket air inlet 1 is extended in the front-to-back direction, and at least part of the top of the water jacket air inlet 1 is constructed as an inclined structure 11, which is inclined upward from the back to the front, and the front of the inclined structure 11 is connected to an overflow pipe 14.

[0038] Specifically, Figure 1-Figure 2 As shown, the water jacket air inlet 1 is arranged along the front-to-back direction and extends from the front side to the rear side of the water jacket 100 on the cylinder head, so that the air intake duct can be fully cooled in the front-to-back direction. At the same time, at least a portion of the top of the water jacket air inlet 1 is constructed as a first inclined surface 12, and the first inclined surface 12 is arranged to be inclined upward from the back to the front, so that the height of the water jacket air inlet 1 from the front to the back at the inclined structure 11 can be gradually reduced, and then the portion located in the front side of the inclined structure 11 in the water jacket air inlet 1 can be higher than the portion located in the inclined structure 11. 1, and an overflow pipe 14 is connected to the front of the inclined structure 11. The overflow pipe 14 is used to discharge the gas in the water jacket 100 on the cylinder head, that is, the gas generated in the water jacket exhaust portion 3 can first enter the water jacket intake portion 1, and then be discharged from the overflow pipe 14 connected to the front of the inclined structure 11. Therefore, the front of the inclined structure 11 can be located at the highest point of the water jacket 100 on the cylinder head, thereby ensuring that the gas in the water jacket 100 on the cylinder head can smoothly overflow from the overflow pipe 14 connected to the inclined structure.

[0039] Therefore, by arranging a water jacket air intake portion 1 in the water jacket 100 on the cylinder head to cool the area around the air intake duct, arranging a water jacket main body portion 2 to cool the area around the combustion chamber, and arranging a water jacket exhaust portion 3 to cool the area around the exhaust duct, the height of the water jacket air intake portion 1 is set to be higher than the height of the water jacket exhaust portion 3, and the front part of the water jacket air intake portion 1 is located at the highest point of the water jacket air intake portion 1 through the inclined structure 11, so that the front part of the inclined structure 11 can be located at the highest point of the water jacket 100 on the cylinder head, and at the same time, the overflow pipe 14 is connected to the front part of the inclined structure 11 so that the overflow pipe 14 is always at the highest point of the engine, thereby ensuring that the gas generated in the water jacket exhaust portion 3 can flow to the water jacket air intake portion 1 and smoothly overflow from the overflow pipe 14.

[0040] According to the cylinder head water jacket 100 of the embodiment of the utility model, by making the overflow pipe 14 always at the highest point of the engine, it can ensure the smooth overflow of the gas generated in the water jacket exhaust part 3, reduce the possibility of poor overflow, and further reduce the possibility of cylinder head cavitation, cylinder head gasket blowby, sample damage and the like caused by poor overflow, and can avoid the gas that is not discharged in time occupying the volume of the coolant, so that the cylinder head water jacket 100 can better exert its cooling capacity.

[0041] In some embodiments, the tilt angle of the tilt structure 11 relative to the horizontal direction is not less than the forward tilt angle of the engine arranged in the nacelle.

[0042] Specifically, the inclined structure 11 is set to be inclined upward from the back to the front, which can ensure that the height of the water jacket air inlet part 1 at the inclined structure 11 gradually decreases from the front to the back, and the forward inclination angle of the inclined structure 11 relative to the horizontal direction is set to be not less than the forward inclination angle of the engine arranged in the engine compartment, so that no matter what the forward inclination angle of the engine arranged in the engine compartment is, it can be ensured that the height of the front end of the inclined structure 11 is not less than the height of the rear end of the inclined structure 11, thereby making the cylinder head water jacket 100 suitable for the working conditions where the engine is arranged in different engine compartments, thereby increasing the application range of the cylinder head water jacket 100, and making the overflow pipe 14 connected to the front part of the inclined structure 11 always at the highest point of the engine, thereby reducing the possibility of the occurrence of poor overflow.

[0043] In some embodiments, the front edge of the inclined structure 11 extends to the front end of the water jacket air inlet 1 .

[0044] Specifically, the top of the water jacket air inlet 1 at least partially forms an inclined structure 11, and the inclined structure 11 is set to be inclined upward from the back to the front, so that the height of the inclined structure 11 can be gradually reduced from the front to the back, and the front side edge of the inclined structure 11 is extended to the front end of the water jacket air inlet 1, so that in the water jacket air inlet 1, the front part of the water jacket air inlet 1 is located at the highest point of the inclined structure 11, that is, at the highest point of the water jacket 100 on the cylinder head, and no matter what the forward inclination angle of the engine arranged in the engine compartment is, the front part of the water jacket air inlet 1 is located at the highest point of the water jacket 100 on the cylinder head.

[0045] And / or, the rear side edge of the inclined structure 11 extends to the rear end of the water jacket air inlet portion 1 .

[0046] Specifically, by extending the rear edge of the inclined structure 11 to the rear end of the water jacket air inlet 1, the rear end of the water jacket air inlet 1 can be located at the lowest point of the inclined structure 11 in the water jacket air inlet 1, and no matter what the forward inclination angle of the engine arranged in the engine compartment is, the rear end of the water jacket air inlet 1 is located at the lowest point of the inclined structure 11, that is, the height of the water jacket air inlet 1 gradually decreases from front to back. Therefore, when the overflow pipe 14 is connected to the front part of the inclined structure 11 and the front side of the inclined structure 11 is extended to the front end of the water jacket air inlet 1, no matter what the forward inclination angle of the engine arranged in the engine compartment is, the overflow pipe 14 can be located at the highest point of the engine, thereby effectively reducing the possibility of poor overflow.

[0047] In some embodiments, a trimming surface 13 is formed on the side of the water jacket air inlet 1 away from the water jacket main body 2 , and the trimming surface 13 is parallel to the front-rear direction.

[0048] Specifically, a trimming surface 13 is formed on the water jacket air inlet portion 1. The trimming surface 13 is arranged on the water jacket air inlet portion 1 and is located on a side of the water jacket air inlet portion 1 that is away from the water jacket main body portion 2. The trimming surface 13 is constructed to be parallel to the front-rear direction, so that the distance between the water jacket air inlet portion 1 and the air intake duct at each location on the trimming surface 13 is equal, so as to improve the cooling consistency of the air intake duct.

[0049] At least a portion of the water jacket air inlet portion 1 on one side close to the water jacket main body 2 is configured as an inclined surface 12 , and the inclined surface 12 is arranged to be inclined from the front to the rear in a direction away from the trimming surface 13 .

[0050] Specifically, an inclined surface 12 is also constructed on the water jacket 100 on the cylinder head. The inclined surface 12 is also arranged on the water jacket air inlet portion 1 and is located on a side of the water jacket air inlet portion 1 close to the water jacket main body portion 2. The inclined surface 12 is arranged to be inclined from front to back in a direction away from the trimming surface 13, so that the area of ​​the inclined surface 12 can be gradually increased, and the flow velocity of the coolant in the water jacket air inlet portion 1 can be reduced, thereby reducing the impact of the coolant.

[0051] In some embodiments, the inclination angle of the inclined surface 12 relative to the trimming surface 13 is a, and satisfies: a≤10°.

[0052] Specifically, Figure 1 As shown, an inclined surface 12 and a trimmed surface 13 are formed on the water jacket air inlet portion 1, and the inclined surface 12 is arranged on a side of the water jacket air inlet portion 1 close to the water jacket main body 2, and the trimmed surface 13 is arranged on a side of the water jacket air inlet portion 1 away from the water jacket main body 2. The inclination angle of the inclined surface 12 relative to the trimmed surface 13 is set to a, and a can be 2°, 4°, 7°, etc., to ensure that the inclined surface 12 does not exceed the position of the exhaust duct, so as to avoid the gas in the water jacket 100 on the cylinder head from gathering around the exhaust duct, thereby weakening the cooling effect on the exhaust duct, and further causing the occurrence of quality problems such as exhaust duct wear.

[0053] It should be noted that the value of a is not limited to that described in this embodiment, and can be flexibly determined according to specific circumstances and space size.

[0054] In some embodiments, the front edge of the inclined surface 12 extends to the front end of the water jacket air inlet 1 .

[0055] Specifically, by providing the inclined surface 12, the flow velocity of the coolant at the position where the inclined surface 12 is located can be adjusted in the water jacket air inlet portion 1 to reduce the impact of the coolant. The front side edge of the inclined surface 12 is extended to the front end of the water jacket air inlet portion 1, and the flow velocity of the coolant can be adjusted starting from the front end of the water jacket air inlet portion 1 to effectively reduce the impact of the coolant.

[0056] And / or, the rear edge of the inclined surface 12 extends to the rear end of the water jacket air inlet portion 1 .

[0057] Specifically, the rear side edge of the inclined surface 12 is extended to the rear end of the water jacket air inlet portion 1, so that the inclined surface 12 is extended from the front end of the water jacket air inlet portion 1 to the rear end of the water jacket air inlet portion 1, and then the flow rate of the coolant in the water jacket air inlet portion 1 can be adjusted from front to back to reduce the impact of the coolant and protect the inner wall surface of the water jacket air inlet portion 1.

[0058] In some embodiments, the water jacket main body 2 is provided with a cylinder head exhaust duct hole 21 , and the inclined surface 12 is spaced apart from the cylinder head exhaust duct hole 21 .

[0059] Specifically, a cylinder head exhaust duct hole 21 is further provided in the water jacket main body 2. The cylinder head exhaust duct hole 21 is used to penetrate the exhaust duct, and the cylinder head exhaust duct hole 21 is provided on a side of the water jacket main body 2 close to the water jacket exhaust portion 3, so that the exhaust duct can be cooled through the water jacket exhaust portion 3. The inclined surface 12 is spaced apart from the cylinder head exhaust duct hole 21, which can avoid the gas in the water jacket 100 on the cylinder head from gathering around the cylinder head exhaust duct hole 21, resulting in poor cooling effect on the exhaust duct, and can reduce the possibility of quality problems such as exhaust duct wear.

[0060] Also, it should be noted that a plurality of cylinder head water jackets 100 may be arranged continuously in the front-to-rear direction, and a plurality of engine cylinder blocks may be arranged, and the plurality of cylinder blocks and the plurality of cylinder head water jackets 100 may be arranged one-to-one correspondingly, so as to cool the components in the plurality of cylinder heads at the same time and improve the cooling effect, and the inclined structure 11 may be extended from the front end of the first water jacket air inlet portion 1 to the rear end of the last water jacket air inlet portion 1, so as to ensure that no matter what the forward inclination angle of the engine is arranged in the engine compartment, the overflow duct may be at the highest point of the engine, so as to reduce the possibility of the occurrence of poor overflow.

[0061] For example, Figure 1 As shown, there are three water jackets 100 on the cylinder head, and the three water jackets 100 on the cylinder head are connected in series in the front-to-back direction, so as to cool the components in the three cylinder heads at the same time, and the inclined structure 11 is extended from the front end of the first water jacket air inlet portion 1 to the rear end of the third water jacket air inlet portion 1, so that when the overflow pipe 14 is connected to the front part of the inclined structure 11, the overflow pipe 14 is always located at the highest point of the engine, which can effectively reduce the possibility of poor overflow.

[0062] The utility model also provides a cylinder head cooling assembly 200 .

[0063] The cylinder head cooling assembly 200 according to the embodiment of the utility model comprises the cylinder head upper water jacket 100 of any one of the above embodiments, and the cylinder head upper water jacket 100 is at least one group.

[0064] Specifically, a cylinder head water jacket 100 is arranged in the cylinder head cooling assembly 200, and the components in the cylinder head are cooled by the flow of coolant in the cylinder head water jacket 100, and the cylinder head water jacket 100 in the cylinder head cooling assembly 200 is arranged as at least one group, that is, one group, two groups or more groups can be arranged. Correspondingly, multiple cylinder blocks can be arranged in the engine at the same time to improve the power of the vehicle, and the cylinder head water jacket 100 and the cylinder block are arranged one by one to improve the reliability of cooling the components in each cylinder block.

[0065] In such Figure 4In the described embodiment, three sets of cylinder head water jackets 100 are arranged in the cylinder head cooling assembly 200, and correspondingly, six cylinder blocks are arranged to effectively improve the power of the vehicle, and the three sets of cylinder head water jackets 100 can cool the components in the six cylinder blocks at the same time to improve the cooling effect on the components in the cylinder blocks.

[0066] There are two cylinder head upper water jackets 100 in each group, and the two cylinder head upper water jackets 100 are arranged opposite to each other, and the water jacket air inlet parts 1 of the two cylinder head upper water jackets 100 are located on the side close to each other.

[0067] Specifically, the water jacket air inlet parts 1 of the two water jackets 100 on the cylinder heads of each group are arranged on the side close to each other, so that the water jacket air inlet parts 1 of the two water jackets 100 on the cylinder heads of each group can be close to each other, and then when the supercharged intake is performed, the gas can be simultaneously delivered to the cylinders on both sides by using one supercharger, which can reduce the number of superchargers to be set and reduce the setting cost.

[0068] In some embodiments, the overflow pipes 14 of the water jackets 100 of the two cylinder heads of each group are connected by a connecting pipe 201 , and overflow is carried out through the same overflow pipe 202 .

[0069] Specifically, Figure 3-Figure 4 As shown, the two cylinder head water jackets 100 of each group are provided with an overflow pipe 14, and the gas in the corresponding cylinder head water jacket 100 can be overflowed through the overflow pipe 14 respectively, which can improve the reliability of gas overflow, and the two overflow pipes 14 are connected by a connecting pipe 201, and then overflowed through the same overflow pipe 202, that is, the two overflow pipes 14 are connected to the overflow pipe 202 and overflowed, which can reduce the number of overflow pipes 202 and reduce the setting cost. In addition, the two water jacket air inlets 1 are set on the side close to each other, which can reduce the distance between the two, reduce the setting length of the pipe, and further reduce the setting cost.

[0070] In some specific embodiments, one of the overflow pipes 14 may be directly connected to the overflow pipe 202 , and the other overflow pipe 14 may be connected to the overflow pipe 202 via the connecting pipe 201 , so that the overflow pipe 202 can be used to simultaneously allow the gas in the two overflow pipes 14 to overflow.

[0071] The utility model also provides a vehicle.

[0072] According to the vehicle of the embodiment of the utility model, a cylinder head upper water jacket 100 of any of the above embodiments or a cylinder head cooling assembly 200 of any of the above embodiments is provided. By providing the cylinder head upper water jacket 100 or the cylinder head cooling assembly 200 on the vehicle, the components in the cylinder head of the engine are cooled, and in the cylinder head upper water jacket 100, regardless of the relative relationship between the highest point of the cylinder head upper water jacket 100 and the mounting inclination angle of the engine, the overflow pipe 14 can be located at the highest point of the engine, so as to reduce the possibility of poor overflow, thereby reducing the possibility of cylinder head cavitation, cylinder head gasket jumping, sample damage, etc. caused by poor overflow.

[0073] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0074] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A water jacket on a cylinder head, It is characterized in that include: A water jacket air inlet, a water jacket main body and a water jacket exhaust, wherein the water jacket air inlet and the water jacket exhaust are respectively connected to two sides of the water jacket main body, and the height of the water jacket air inlet is set higher than that of the water jacket exhaust; The water jacket air inlet is extended in the front-to-back direction, and at least part of the top of the water jacket air inlet is constructed as an inclined structure, the inclined structure is arranged to be inclined upward from the back to the front, and the front of the inclined structure is connected to an overflow pipe.

2. The cylinder head water jacket according to claim 1, It is characterized in that The inclination angle of the inclined structure relative to the horizontal direction is not less than the forward inclination angle of the engine arranged in the nacelle.

3. The cylinder head water jacket according to claim 1, It is characterized in that The front side edge of the inclined structure extends to the front end of the water jacket air inlet; And / or, the rear side edge of the inclined structure extends to the rear end of the air inlet portion of the water jacket.

4. The cylinder head water jacket according to claim 1, It is characterized in that The water jacket air inlet portion is formed with a trimming surface on a side away from the water jacket main body, and the trimming surface is parallel to the front-rear direction; At least a portion of the water jacket air inlet portion on a side close to the water jacket main body is configured as an inclined surface, and the inclined surface is arranged to be inclined from the front to the rear in a direction away from the trimming surface.

5. The cylinder head water jacket according to claim 4, It is characterized in that The inclination angle of the inclined surface relative to the trimming surface is a, and satisfies: a≤10°.

6. The cylinder head water jacket according to claim 4, It is characterized in that The front side edge of the inclined surface extends to the front end of the air inlet portion of the water jacket; And / or, the rear side edge of the inclined surface extends to the rear end of the air inlet portion of the water jacket.

7. The cylinder head water jacket according to claim 4, It is characterized in that The water jacket main body is provided with a cylinder head exhaust duct hole, and the inclined surface is spaced apart and distributed from the cylinder head exhaust duct hole.

8. A cylinder head cooling assembly, It is characterized in that The cylinder head water jacket according to any one of claims 1 to 7, wherein the cylinder head water jacket is at least one group; There are two cylinder head upper water jackets in each group, the two cylinder head upper water jackets are arranged opposite to each other, and the water jacket air inlets of the two cylinder head upper water jackets are located on one side close to each other.

9. The cylinder head cooling assembly according to claim 8, It is characterized in that The overflow pipes of the water jackets on the two cylinder heads of each group are connected by a connecting pipe, and overflow is carried out through the same overflow pipe.

10. A vehicle, It is characterized in that A cylinder head upper water jacket according to any one of claims 1 to 7 or a cylinder head cooling assembly according to any one of claims 8 to 9 is provided.

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