CN220909833U - Cylinder, engine and vehicle - Google Patents

Abstract

The utility model discloses a cylinder body, an engine and a vehicle, wherein a liquid inlet is arranged on the cylinder body, and the cylinder body comprises: a plurality of cylinders; a cylinder water jacket, the cylinder water jacket comprising: the cylinder barrel water jackets and the auxiliary water jackets are respectively connected with the liquid inlet, the cylinder barrel water jackets are arranged at the cylinder barrels, and the auxiliary water jackets are communicated with the cylinder cover water jackets. Through being provided with the auxiliary water jacket, the coolant can directly enter into the cylinder head water jacket through the auxiliary water jacket, and the coolant can independently flow through the cylinder barrel water jacket and the cylinder head water jacket, and the coolant does not need to be introduced into the cylinder head water jacket after passing through the cylinder barrel water jacket, so that the distribution of the coolant flow of the cylinder barrel water jacket and the cylinder head water jacket is realized, and the cooling efficiency of the cylinder body and the cylinder head is improved.

Description

Cylinder, engine and vehicle

Technical Field

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

Background

In the related art, a connecting channel is arranged between the cylinder body water jacket and the cylinder head water jacket, and cooling liquid in the cylinder body water jacket can be introduced into the cylinder head water jacket through the connecting channel, so that the position of the cylinder head can be cooled. However, the temperature of the cooling liquid is higher after the cooling liquid is cooled by the cylinder body water jacket, and the cooling effect on the cylinder head is poor when the cylinder head is cooled.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the cylinder body, which can realize the distribution of the flow of the cooling liquid of the cylinder barrel water jacket and the cylinder head water jacket and improve the cooling efficiency of the cylinder body and the cylinder head.

The utility model further provides an engine.

The utility model further provides a vehicle.

According to the cylinder body of the utility model, a liquid inlet is arranged on the cylinder body, and the cylinder body comprises: a plurality of cylinders; a cylinder water jacket, the cylinder water jacket comprising: the cylinder barrel water jackets and the auxiliary water jackets are respectively connected with the liquid inlet, the cylinder barrel water jackets are arranged at a plurality of cylinder barrels, and the auxiliary water jackets are communicated with the cylinder cover water jackets.

According to the cylinder body, the auxiliary water jacket is arranged, so that cooling liquid can directly enter the cylinder head water jacket through the auxiliary water jacket, and can independently flow through the cylinder barrel water jacket and the cylinder head water jacket, and the cooling liquid does not need to pass through the cylinder barrel water jacket and then to be introduced into the cylinder head water jacket, so that the cooling liquid flow of the cylinder barrel water jacket and the cylinder head water jacket is distributed, and the cooling efficiency of the cylinder body and the cylinder head water jacket is improved.

In some examples of the utility model, the secondary water jacket is disposed on a side of the cylinder water jacket remote from the plurality of cylinders.

In some examples of the utility model, the cylinder further comprises: the plurality of first throttling pieces are arranged on the auxiliary water jacket at intervals.

In some examples of the utility model, the cylinder further comprises: the second throttling piece, the second throttling piece set up in the both ends of cylinder water jacket, the cylinder water jacket includes: the air inlet side water jacket is communicated with the exhaust side water jacket, the air inlet side water jacket is communicated with the liquid inlet, and the second throttling piece is located between the air inlet side water jacket and the exhaust side water jacket.

In some examples of the utility model, the block is provided with a cylinder head mounting surface on which a plurality of mounting holes are provided, the second throttle member being located between adjacent two of the mounting holes, the second throttle member being provided with a slot whose cross section gradually increases in a direction away from the cylinder head mounting surface.

In some examples of the utility model, the cylinder water jacket located between adjacent two cylinders defines an inter-cylinder water jacket having a cooling passage formed therein, the cooling passage communicating the intake side water jacket and the exhaust side water jacket.

In some examples of the utility model, the cooling channel comprises: the cooling device comprises a first cooling channel and a second cooling channel, wherein the first cooling channel is communicated with the second cooling channel, and the first cooling channel and the second cooling channel are obliquely arranged.

In some examples of the utility model, the junction of the first cooling channel and the second cooling channel is disposed adjacent the top of the cylinder.

In some examples of the utility model, the cylinder water jacket is recessed inwardly at the junction of adjacent cylinders.

An engine according to the present utility model includes: the cylinder as described above.

In some examples of the utility model, the engine further comprises: the cylinder gasket is provided with at least one liquid outlet, at least one liquid outlet is communicated with the auxiliary water jacket, and at least one liquid outlet is communicated with the cylinder cover water jacket.

The vehicle according to the present utility model includes: the engine described above.

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 foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a cylinder according to an embodiment of the present utility model;

Fig. 2 is a cross-sectional view of a cylinder according to an embodiment of the present utility model.

Reference numerals:

1. A cylinder;

11. A cylinder; 12. a liquid inlet; 13. a cylinder head mounting surface; 14. a mounting hole; 20. a cylinder water jacket; 21. a cylinder water jacket; 22. an auxiliary water jacket; 23. an inter-cylinder water jacket; 24. a cooling channel; 25. a first cooling channel; 26. a second cooling channel; 27. an intake side water jacket; 28. an exhaust side water jacket; 30. a second throttle member; 40. a first throttle member.

Detailed Description

Embodiments of the present utility model will be described in detail below, by way of example with reference to the accompanying drawings.

A cylinder 1 according to an embodiment of the present utility model is described below with reference to fig. 1 and 2.

As shown in fig. 1, a cylinder 1 according to an embodiment of the present utility model includes: a block water jacket 20. The cylinder body 1 mainly has the functions of installation and fixation, the cylinder body water jacket 20 refers to the space between the inner shell and the outer shell of the cylinder body 1, and cooling liquid can circulate in the water jacket, so that heat formed by the cylinder body 1 can be taken away.

As shown in fig. 1, the cylinder 1 further includes a plurality of cylinders 11, the cylinders 11 are spaces for movement of pistons, the pistons can slide back and forth in the cylinders 11 smoothly, and the cylinders 11 are locations where fuel and oxygen are fully mixed and combusted to generate energy, and the energy generated by combustion of the fuel pushes the pistons and transmits force to wheels to rotate the wheels, so that the vehicle can be driven to move.

As shown in fig. 1, the block water jacket 20 includes: the cylinder body 1 is provided with a liquid inlet 12, a cylinder barrel water jacket 21 and an auxiliary water jacket 22, the cylinder barrel water jacket 21 and the auxiliary water jacket 22 are respectively connected with the liquid inlet 12, the cylinder barrel water jacket 21 is arranged at a plurality of cylinder barrels 11, and the auxiliary water jacket 22 is communicated with the cylinder head water jacket. That is, the cooling liquid can enter the cylinder body 1 from the liquid inlet 12, wherein part of the cooling liquid can be introduced into the cylinder barrels 11 through the cylinder barrel water jacket 21, so that the cooling of the cylinder barrels 11 can be performed, the cooling liquid after cooling the cylinder barrels 11 can be discharged from the cylinder barrel water jacket 21, the auxiliary water jacket 22 plays a role in middle communication, and the other part of the cooling liquid can enter the auxiliary water jacket 22, so that the cooling liquid can enter the cylinder head water jacket through the auxiliary water jacket 22, and then the cooling of the cylinder head can be performed.

Therefore, by the aid of the auxiliary water jacket 22, cooling liquid can directly enter the cylinder head water jacket through the auxiliary water jacket 22, cooling liquid can independently flow through the cylinder barrel water jacket 21 and the cylinder head water jacket, cooling liquid does not need to pass through the cylinder barrel water jacket 21 and then is introduced into the cylinder head water jacket, distribution of cooling liquid flow of the cylinder barrel water jacket 21 and the cylinder head water jacket is achieved, and cooling efficiency of the cylinder body 1 and the cylinder head water jacket is improved.

Wherein, as shown in fig. 1, the auxiliary water jacket 22 is provided at a side of the cylinder water jacket 21 away from the plurality of cylinders 11. That is, the cylinder water jacket 21 may separate the sub water jacket 22 from the plurality of cylinders 11, so that heat at the plurality of cylinders 11 may be radiated to the cylinder water jacket 21, and heat at the plurality of cylinders 11 may be reduced from being radiated to the sub water jacket 22, so that the heat radiated from the plurality of cylinders 11 may be prevented from affecting the coolant in the sub water jacket 22, and thus the cooling effect of the coolant in the sub water jacket 22 on the cylinder head may be improved.

Optionally, as shown in fig. 1, the cylinder 1 further includes: the plurality of first restriction members 40 are provided at intervals on the sub water jacket 22. The first throttling element 40 can also play a role in throttling, a plurality of first throttling elements 40 are arranged on the auxiliary water jacket 22, and the first throttling elements 40 are arranged at intervals, so that a pressure stabilizing water cavity is formed when the auxiliary water jacket 22 discharges liquid, and cooling liquid can enter the cylinder head water jacket more stably, so that the flow of the cooling liquid at each cylinder position of the cylinder head water jacket is more uniform, and the pressure loss is reduced.

Wherein, the engine includes the cylinder gasket, and the cylinder gasket can play sealed effect, makes the coolant in cylinder water jacket 21 and the vice water jacket 22 can not appear leaking to can guarantee the cooling effect of cylinder 11 and cylinder head department. At least one liquid outlet is arranged on the cylinder gasket, the at least one liquid outlet is communicated with the auxiliary water jacket 22, and the at least one liquid outlet is communicated with the cylinder cover water jacket. That is, the coolant in the sub water jacket 22 may be introduced into the cylinder head water jacket through at least one outlet, so that cooling of the cylinder head may be achieved. In addition, the liquid outlet can be one, and the cooling liquid throttled by the plurality of first throttling elements 40 can form a pressure stabilizing water cavity at the liquid outlet, and the liquid outlet can also be a plurality of liquid outlets which are respectively and correspondingly arranged with the plurality of first throttling elements 40, so that the flow of the cooling liquid at each cylinder position of the cylinder head water jacket is more uniform, and the pressure loss is reduced.

Further, as shown in fig. 1, the cylinder 1 further includes: the second throttle 30, the second throttle 30 is disposed at both ends of the cylinder water jacket 21, the cylinder water jacket 21 includes: an intake-side water jacket 27 and an exhaust-side water jacket 28, the intake-side water jacket 27 and the exhaust-side water jacket 28 being in communication, and the intake-side water jacket 27 being in communication with the intake port 12, a second throttle 30 being located between the intake-side water jacket 27 and the exhaust-side water jacket 28. The second throttling element 30 can play a role in throttling, the second throttling element 30 is arranged at two ends of the cylinder water jacket 21, namely, the second throttling element 30 is arranged in the cylinder water jacket 21, and the second throttling element 30 is connected between the inner shell and the outer shell of the cylinder 1, so that the second throttling element 30 can not only throttle cooling liquid in the cylinder water jacket 21, but also improve the overall structural strength of the cylinder 1. It should be noted that the use of the second throttling element 30 is more cost effective than the conventional rubber rod throttling.

The intake side water jacket 27 is located at the intake side of the cylinder 11, and after the coolant enters the intake side water jacket 27, the intake side of the cylinder 11 can be cooled, and the exhaust side water jacket 28 is located at the exhaust side of the cylinder 11, and after the coolant enters the exhaust side water jacket 28, the exhaust side of the cylinder 11 can be cooled. The intake side water jacket 27 communicates with the intake port 12 such that the cooling liquid can first enter the intake side water jacket 27 through the intake port 12, and the intake side water jacket 27 communicates with the exhaust side water jacket 28 such that the cooling liquid in the intake side water jacket 27 can enter the exhaust side water jacket 28.

The second throttling element 30 is located between the intake side water jacket 27 and the exhaust side water jacket 28, and is combined with the second throttling element 30 to be arranged at two ends of the cylinder water jacket 21, that is, the cooling liquid in the intake side water jacket 27 enters into the exhaust side water jacket 28 at the two ends of the cylinder 11 due to the throttling of the second throttling element 30, so that the flow of the cooling liquid at the two ends of the cylinder 11 can be reduced, and it is noted that the intake side water jacket 27 and the exhaust side water jacket 28 can be communicated at the two adjacent cylinders 11, so that the cooling liquid in the intake side water jacket 27 can be led into the exhaust side water jacket 28 at the joint of the two adjacent cylinders 11 as much as possible, thereby improving the fluidity of the cooling liquid between the two adjacent cylinders 11, and further improving the cooling efficiency of the warming-up.

As shown in fig. 1, the cylinder block 1 is provided with a cylinder head mounting surface 13, the cylinder head mounting surface 13 is provided with a plurality of mounting holes 14, the second throttle member 30 is located between two adjacent mounting holes 14, the second throttle member 30 is provided with a slot, and the cross section of the slot gradually increases in a direction away from the cylinder head mounting surface 13. The cylinder head mounting surface 13, that is, the surface to which the cylinder head is attached, is provided with a plurality of mounting holes 14 on the cylinder head mounting surface 13, so that the cylinder head can be fixed to the cylinder block 1 through the plurality of mounting holes 14, and is formed integrally with the cylinder block 1. The second orifice 30 is positioned between the adjacent two mounting holes 14, so that the cylinder hole and the mounting holes 14 are prevented from being connected together by the second orifice 30, and the deformation amount of the cylinder hole is increased.

In addition, the second throttling element 30 is provided with a slot, the cross section of the slot gradually increases in the direction away from the cylinder head mounting surface 13, and as can be appreciated, the cross section of the slot gradually increases in the direction away from the cylinder head mounting surface 13, the contact area between the second throttling element 30 and the inner shell and the outer shell of the cylinder body 1 is gradually reduced, that is, the contact area between the second throttling element 30 and the inner shell and the outer shell of the cylinder body 1 is maximum at the position close to the cylinder opening, so that the structure of the cylinder body 1 at the position of the cylinder opening is more stable and firm, the cylinder opening is not easy to deform when the cylinder head is connected with the cylinder body 1, and the integral deformation of the cylinder body 1 can be relatively uniform due to the arrangement, and the influence on the cylinder body 1 is reduced.

Of course, as shown in fig. 1, the cylinder water jacket 21 located between the adjacent two cylinders 11 defines an inter-cylinder water jacket 23, and a cooling passage 24 is formed in the inter-cylinder water jacket 23, the cooling passage 24 communicating with an intake-side water jacket 27 and an exhaust-side water jacket 28. In combination with the above, the cylinder water jacket 21 between the adjacent two cylinders 11 defines the inter-cylinder water jacket 23, and the cooling passage 24 is formed in the inter-cylinder water jacket 23, so that the coolant in the intake side water jacket 27 can be introduced into the exhaust side water jacket 28 through the cooling passage 24, so that the fluidity of the coolant between the adjacent two cylinders 11 can be improved, and the cooling between the adjacent two cylinders 11 can be better performed.

At the beginning, a part of the coolant in the cylinder water jacket 21 flows through the intake-side water jacket 27, a part of the coolant enters the exhaust-side water jacket 28 through the second throttle 30, a part of the coolant in the intake-side water jacket 27 flows into the exhaust-side water jacket 28 through the cooling passage 24, a part of the coolant is discharged from the liquid outlet of the cylinder water jacket 21, and a part of the coolant in the exhaust-side water jacket 28 flows from the intake port of the supercharger to the supercharger, and a part of the coolant is also discharged from the liquid outlet of the cylinder water jacket 21.

Specifically, as shown in fig. 2, the cooling passage 24 includes: the first cooling passage 25 and the second cooling passage 26, the first cooling passage 25 communicates with the second cooling passage 26, and the first cooling passage 25 and the second cooling passage 26 are each disposed obliquely. That is, a part of the coolant in the intake side water jacket 27 can enter the exhaust side water jacket 28 through the first cooling passage 25 and the second cooling passage 26, and the first cooling passage 25 and the second cooling passage 26 are both inclined, so that the processing setting of the first cooling passage 25 and the second cooling passage 26 is facilitated, and the lengths of the first cooling passage 25 and the second cooling passage 26 can be increased, so that the flow range of the coolant between the adjacent two cylinders 11 can be increased, and the cooling effect of the coolant between the adjacent two cylinders 11 can be improved.

Furthermore, as shown in fig. 2, the junction of the first cooling passage 25 and the second cooling passage 26 is provided adjacent to the top of the cylinder tube 11. It should be noted that, the top of the cylinder 11 is close to the combustion chamber, so the thermal load at the top of the cylinder 11 is greatly affected, and since the cooling liquid in the cooling channel 24 passes through the connection between the first cooling channel 25 and the second cooling channel 26, the connection between the first cooling channel 25 and the second cooling channel 26 is adjacent to the top of the cylinder 11, so the cooling liquid can cool down the top of the cylinder 11 better when passing through the connection between the first cooling channel 25 and the second cooling channel 26, thereby the cooling effect of the whole cylinder 1 can be improved. The distance between the connection part of the first cooling channel 25 and the second cooling channel 26 and the top of the cylinder 11 is about 14mm, so that the connection part of the first cooling channel 25 and the second cooling channel 26 can be as close to the highest point of the cylinder hole temperature as possible while meeting the processing technology requirement, and in addition, the diameter of the cooling channel 24 is about 3mm, so that the cooling channel 24 can be ensured not to interfere with burrs on the cylinder body 1, and leakage of cooling liquid can be prevented.

According to an alternative embodiment of the utility model, as shown in fig. 1, the cylinder water jacket 21 is recessed inwardly at the junction of two adjacent cylinders 11. It will be appreciated that the cylinder water jacket 21 is recessed inwardly at the junction of the adjacent two cylinders 11, so that the contact area between the coolant and the junction of the adjacent two cylinders 11 can be increased when the coolant passes through the junction of the adjacent two cylinders 11, and the coolant is closer to the highest temperature point between the adjacent two cylinders 11, thereby further improving the cooling effect of the coolant on the adjacent two cylinders 11. Wherein the cylinder water jacket 21 is recessed inwardly at the junction of the adjacent two cylinders 11 by a dimension of about 3.5mm and a depth dimension of about 10mm.

An engine according to an embodiment of the present utility model includes: the cylinder 1 described in the above embodiment.

According to an embodiment of the present utility model, a vehicle includes: the engine described in the above embodiment.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features. In the description of the present utility model, "plurality" means two or more. In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween. In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

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

Claims (12)

1. A cylinder (1), be provided with inlet (12) on cylinder (1), characterized in that, cylinder (1) includes:

a plurality of cylinders (11);

A block water jacket (20), the block water jacket (20) comprising: the cylinder barrel water jacket (21) and the auxiliary water jacket (22), the cylinder barrel water jacket (21) and the auxiliary water jacket (22) are respectively connected with the liquid inlet (12), the cylinder barrel water jackets (21) are arranged at a plurality of cylinder barrels (11), and the auxiliary water jackets (22) are communicated with the cylinder head water jacket.

2. Cylinder (1) according to claim 1, characterized in that the secondary water jacket (22) is arranged at the side of the cylinder jacket (21) remote from the cylinders (11).

3. Cylinder (1) according to claim 1, characterized by further comprising: a plurality of first throttles (40), the plurality of first throttles (40) being disposed at intervals on the auxiliary water jacket (22).

4. Cylinder (1) according to claim 1, characterized by further comprising: second throttling pieces (30), the second throttling pieces (30) are arranged at two ends of the cylinder barrel water jacket (21), and the cylinder barrel water jacket (21) comprises: an intake side water jacket (27) and an exhaust side water jacket (28), the intake side water jacket (27) and the exhaust side water jacket (28) being in communication, and the intake side water jacket (27) being in communication with the liquid inlet (12), the second throttle (30) being located between the intake side water jacket (27) and the exhaust side water jacket (28).

5. The cylinder block (1) according to claim 4, characterized in that the cylinder block (1) is provided with a cylinder head mounting surface (13), a plurality of mounting holes (14) are provided on the cylinder head mounting surface (13), the second throttle member (30) is located between two adjacent mounting holes (14), the second throttle member (30) is provided with a slot, and the cross section of the slot is gradually increased in a direction away from the cylinder head mounting surface (13).

6. Cylinder block (1) according to claim 4, characterized in that the cylinder block water jacket (21) located between two adjacent cylinder blocks (11) defines an inter-cylinder water jacket (23), a cooling passage (24) being formed in the inter-cylinder water jacket (23), the cooling passage (24) communicating the intake side water jacket (27) and the exhaust side water jacket (28).

7. Cylinder (1) according to claim 6, characterized in that said cooling channel (24) comprises: the cooling device comprises a first cooling channel (25) and a second cooling channel (26), wherein the first cooling channel (25) is communicated with the second cooling channel (26), and the first cooling channel (25) and the second cooling channel (26) are obliquely arranged.

8. Cylinder (1) according to claim 7, characterized in that the junction of the first cooling channel (25) and the second cooling channel (26) is arranged adjacent to the top of the cylinder barrel (11).

9. Cylinder (1) according to claim 1, characterized in that the cylinder jacket (21) is recessed inwardly at the junction of two adjacent cylinders (11).

10. An engine, comprising: the cylinder (1) of any one of claims 1-9.

11. The engine of claim 10, comprising: the cylinder gasket is provided with at least one liquid outlet, at least one liquid outlet is communicated with the auxiliary water jacket (22), and at least one liquid outlet is communicated with the cylinder cover water jacket.

12. A vehicle, characterized by comprising: the engine of any one of claims 10-11.