CN216157772U - Engine water jacket and engine with same - Google Patents
Engine water jacket and engine with same Download PDFInfo
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- CN216157772U CN216157772U CN202121655448.9U CN202121655448U CN216157772U CN 216157772 U CN216157772 U CN 216157772U CN 202121655448 U CN202121655448 U CN 202121655448U CN 216157772 U CN216157772 U CN 216157772U
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- engine
- water inlet
- cylinder
- water jacket
- cooling
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Abstract
The utility model belongs to the technical field of engines, and provides an engine water jacket and an engine with the same, wherein the engine water jacket is used for cooling an engine body, the engine body is provided with a plurality of cylinder holes, a cylinder head bolt lug is arranged between every two adjacent cylinder holes, the engine water jacket comprises a water jacket body, a main water inlet channel and an auxiliary water inlet channel, the water jacket body is provided with a main water inlet, an auxiliary water inlet and a plurality of cooling cavities arranged around each cylinder hole of the engine body, the main water inlet is arranged on the cooling cavity corresponding to two cylinders of the engine body, and the auxiliary water inlet is arranged on the cooling cavity corresponding to one cylinder of the engine body; the outlet of the main water inlet channel is communicated with the main water inlet, and the inlet of the main water inlet channel is communicated with the cooling water pump; the inlet of the auxiliary water inlet channel is communicated with the main water inlet channel, and the outlet of the auxiliary water inlet channel is communicated with the auxiliary water inlet. The engine water jacket adopts a mode of adding a main water inlet channel and an auxiliary water inlet channel, and water is fed from two cylinders to avoid supercooling of one cylinder.
Description
Technical Field
The utility model belongs to the technical field of engines, and particularly relates to an engine water jacket. The utility model also relates to an engine.
Background
This section provides background information related to the present disclosure only and is not necessarily prior art.
The cooling liquid of the existing engine enters a water jacket from a cylinder, the water flow uniformity of the water jacket is poor, the cooling effect is poor, and the cylinder is overcooled, so that the abnormal clearance between a piston ring and a cylinder hole in a hot state is caused, and finally the risk of cylinder pulling is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to at least solve the problem of poor water flow uniformity of the engine water jacket in the prior art, and the aim is realized by the following technical scheme:
a first aspect of the present invention provides an engine water jacket for cooling an engine block, the engine block being provided with a plurality of cylinder bores with a head bolt lug disposed between two adjacent cylinder bores, the engine water jacket including:
the water jacket body is provided with a main water inlet, an auxiliary water inlet and a plurality of cooling cavities which are arranged around each cylinder hole of the engine body, the cooling cavities are communicated with each other and are arranged in a one-to-one correspondence with the cylinder holes, the first cylinder hole in the plurality of cylinder holes in the sequence is a first cylinder, the second cylinder hole in the plurality of cylinder holes in the sequence is a second cylinder, the main water inlet is arranged on the cooling cavity corresponding to the second cylinder of the engine body, and the auxiliary water inlet is arranged on the cooling cavity corresponding to the first cylinder of the engine body;
the outlet of the main water inlet channel is communicated with the main water inlet, and the inlet of the main water inlet channel is used for being communicated with a cooling water pump;
and the inlet of the auxiliary water inlet channel is communicated with the main water inlet channel, and the outlet of the auxiliary water inlet channel is communicated with the auxiliary water inlet.
The engine water jacket provided by the utility model adopts a mode of adding the main water inlet channel and the auxiliary water inlet channel under the condition of ensuring that the installation position of the water pump is not changed, water is fed from the two cylinders, the supercooling of the first cylinder is avoided, the auxiliary water inlet channel can achieve the purpose of feeding water into the first cylinder while ensuring the integral strength of the water jacket, the water can be fed into the three cylinders and the four cylinders by the main water inlet, and the problem of water feeding supercooling of the first cylinder is solved on the premise of ensuring the arrangement of the whole engine.
In addition, the engine water jacket according to the utility model can also have the following additional technical characteristics:
in some embodiments of the utility model, the flow cross-sectional area of the primary water inlet channel is larger than the flow cross-sectional area of the secondary water inlet channel.
In some embodiments of the utility model, the engine water jacket further comprises an exhaust passage, one end of the exhaust passage is communicated with the main water inlet passage, and the other end of the exhaust passage is communicated with the outside.
In some embodiments of the utility model, the axis of the main water inlet channel is a wavy line.
In some embodiments of the present invention, a wall surface of the water jacket body corresponding to the head bolt lug is an arc surface, and a portion of the arc surface facing the center of the cylinder bore is a plane.
In some embodiments of the present invention, the engine water jacket further includes a rough clamping point and a clamping hole, the rough clamping point is disposed on an inner side wall of the water jacket, the clamping hole is disposed on the cooling cavity radially outward relative to the rough clamping point, and the rough clamping point is of a platform structure.
In some embodiments of the utility model, the width of the side of the cooling chamber proximal to the primary water inlet channel is greater than the width of the side of the cooling chamber distal to the primary water inlet channel.
In some embodiments of the utility model, the engine water jacket further includes a first cooling hole and a second cooling hole provided at a position between two adjacent cylinder bores, the first cooling hole and the second cooling hole communicate by crossing, one end of the first cooling hole communicates with the water jacket body, the other end of the first cooling hole is connected with the top end of the engine block, one end of the second cooling hole communicates with the water jacket body, the other end of the second cooling hole is connected with the top end of the engine block,
in some embodiments of the utility model, the intersection of the first cooling hole and the second cooling hole corresponds to a ring position of the engine block.
A second aspect of the utility model provides an engine characterized by comprising an engine water jacket according to the first aspect of the utility model.
The engine provided by the second aspect of the utility model has the same beneficial effects as the engine water jacket provided by the first aspect of the utility model, and the details are not repeated.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
FIG. 1 schematically illustrates a structural schematic view of an engine water jacket according to an embodiment of the present invention;
FIG. 2 schematically illustrates a partial top view of an engine water jacket according to an embodiment of the present invention;
FIG. 3 schematically illustrates a structural schematic view of an inter-cylinder cooling zone of an engine block according to an embodiment of the present invention;
the reference symbols in the drawings denote the following:
100: an engine body;
10: water jacket body, 11: cooling chamber, 12: main water inlet channel, 13: auxiliary water inlet channel, 14: exhaust passage, 15: rough machining clamping point, 16: clamping hole, 17: first cooling hole, 18: a second cooling hole.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "second" and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, an element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "inner", "side", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 to 3, a first aspect of the present invention provides an engine water jacket for cooling an engine block provided with a plurality of cylinder bores with a head bolt lug disposed between two adjacent cylinder bores, the engine water jacket including:
the water jacket comprises a water jacket body 10, wherein a main water inlet, an auxiliary water inlet and a plurality of cooling cavities 11 arranged around each cylinder hole of an engine body are formed in the water jacket body 10, the cooling cavities 11 are communicated with each other and are arranged in a one-to-one correspondence with the cylinder holes, a first cylinder hole in the cylinder holes in the sequence is a first cylinder, a second cylinder hole in the cylinder holes in the sequence is a second cylinder, the main water inlet is formed in the cooling cavity 11 corresponding to the second cylinder of the engine body, and the auxiliary water inlet is formed in the cooling cavity 11 corresponding to the first cylinder of the engine body;
the outlet of the main water inlet channel 12 is communicated with the main water inlet, and the inlet of the main water inlet channel 12 is communicated with a cooling water pump;
and an inlet of the auxiliary water inlet channel 13 is communicated with the main water inlet channel 12, and an outlet of the auxiliary water inlet channel 13 is communicated with the auxiliary water inlet.
The engine water jacket provided by the utility model adopts a mode of adding the main water inlet channel 12+ the auxiliary water inlet channel 13 under the condition of ensuring that the installation position of the water pump is not changed, water is fed from the two cylinders, the supercooling of the first cylinder is avoided, the auxiliary water inlet channel 13 can achieve the purpose of feeding water into the first cylinder while the integral strength of the water jacket is ensured, the water can be fed into the three cylinders and the four cylinders by the main water inlet, and the problem of the supercooling of the water fed into the first cylinder is solved on the premise of ensuring the arrangement of the whole engine.
In some embodiments of the present invention, the flow cross-sectional area of the main water inlet channel 12 is greater than the flow cross-sectional area of the auxiliary water inlet channel 13, and the diameter D of the auxiliary water inlet channel is less than or equal to 28mm, so that the cooling liquid mainly enters the cooling cavity 11 corresponding to two cylinders, thereby avoiding the supercooling of one cylinder and improving the uniformity of the cooling liquid flow.
In some embodiments of the utility model, the engine water jacket further comprises an exhaust passage 14, one end of the exhaust passage 14 is communicated with the main water inlet passage 12, the other end of the exhaust passage 14 is communicated with the outside, and when the exhaust column is cast for casting, gas in the water jacket sand core is timely exhausted, so that the casting yield is improved.
In some embodiments of the present invention, the axis of the main water inlet channel 12 is a wavy line, which improves the fluidity of the water flow and achieves the purpose of reducing the weight of the machine body.
In some embodiments of the present invention, the wall surface of the water jacket body 10 corresponding to the cylinder head bolt lug is an arc surface, and the part of the arc surface facing the center of the cylinder bore is a plane, so as to solve the problem of excessive water flow pressure drop on the premise of ensuring the mechanical property of the cylinder head bolt hole, wherein the water jacket width S1 is greater than or equal to S2 and is greater than or equal to 5 mm;
in some embodiments of the present invention, the engine water jacket further includes a rough-machining clamping point 15 and a clamping hole 16, the rough-machining clamping point 15 is disposed on an inner side wall of the water jacket, the clamping hole 16 is disposed on a radial outer side of the cooling chamber 11 relative to the rough-machining clamping point 15, the rough-machining clamping point 15 is of a platform structure, and by providing the rough-machining clamping point 15, local rigidity of the cylinder bore is ensured, and influence on the cylinder bore during rough machining of the engine body is reduced.
In some embodiments of the present invention, the width L1 of the side of the cooling chamber 11 close to the main water inlet channel 12 is greater than the width L2 of the side of the cooling chamber 11 far from the main water inlet channel 12, so as to optimize the uniformity of the water flow and improve the cooling effect.
In some embodiments of the utility model, the engine water jacket further comprises a first cooling hole 17 and a second cooling hole 18 which are arranged at positions between two adjacent cylinder bores, the first cooling hole 17 and the second cooling hole 18 are communicated by crossing, one end of the first cooling hole 17 is communicated with the water jacket body 10, the other end of the first cooling hole 17 is connected with the top end of the engine body, one end of the second cooling hole 18 is communicated with the water jacket body 10, and the other end of the second cooling hole 18 is connected with the top end of the engine body.
In some embodiments of the present invention, the intersection of the first cooling hole 17 and the second cooling hole 18 corresponds to a ring position of the engine block, and the cooling effect of the ring position of the piston is enhanced by inter-cylinder punching cooling.
A second aspect of the utility model provides an engine characterised by comprising an engine water jacket, the engine water jacket being an engine water jacket as set forth in accordance with the first aspect of the utility model.
The engine provided by the second aspect of the utility model has the same beneficial effects as the engine water jacket provided by the first aspect of the utility model, and the details are not repeated.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An engine water jacket for cooling an engine block, the engine block having a plurality of cylinder bores with a head bolt lug disposed between two adjacent cylinder bores, the engine water jacket comprising:
the water jacket body is provided with a main water inlet, an auxiliary water inlet and a plurality of cooling cavities which are arranged around each cylinder hole of the engine body, the cooling cavities are communicated with each other and are arranged in a one-to-one correspondence with the cylinder holes, the first cylinder hole in the plurality of cylinder holes in the sequence is a first cylinder, the second cylinder hole in the plurality of cylinder holes in the sequence is a second cylinder, the main water inlet is arranged on the cooling cavity corresponding to the second cylinder of the engine body, and the auxiliary water inlet is arranged on the cooling cavity corresponding to the first cylinder of the engine body;
the outlet of the main water inlet channel is communicated with the main water inlet, and the inlet of the main water inlet channel is used for being communicated with a cooling water pump;
and the inlet of the auxiliary water inlet channel is communicated with the main water inlet channel, and the outlet of the auxiliary water inlet channel is communicated with the auxiliary water inlet.
2. The engine water jacket according to claim 1, wherein the flow cross-sectional area of the primary water inlet channel is larger than the flow cross-sectional area of the secondary water inlet channel.
3. The engine water jacket according to claim 1, further comprising an exhaust passage, one end of which communicates with the main water inlet passage and the other end of which communicates with the outside.
4. The engine water jacket according to claim 1, wherein the axis of the primary water intake channel is a wavy line.
5. The engine water jacket according to claim 1, wherein a wall surface of the water jacket body corresponding to the head bolt lug is an arc surface, and a portion of the arc surface facing the center of the cylinder bore is a plane surface.
6. The engine water jacket according to any one of claims 1 to 5, further comprising a rough clamping point provided on an inner side wall of the water jacket and a clamping hole provided on the cooling chamber radially outward relative to the rough clamping point, the rough clamping point being of a flat structure.
7. The engine water jacket according to any one of claims 1 to 5, wherein a width of a side of the cooling chamber adjacent to the primary water inlet channel is greater than a width of a side of the cooling chamber remote from the primary water inlet channel.
8. The engine water jacket according to any one of claims 1 to 5, further comprising a first cooling hole and a second cooling hole provided at a position between adjacent two of the cylinder bores, the first cooling hole and the second cooling hole communicating by crossing, one end of the first cooling hole communicating with the water jacket body, the other end of the first cooling hole being connected to a top end of the engine body, one end of the second cooling hole communicating with the water jacket body, the other end of the second cooling hole being connected to the top end of the engine body.
9. The engine water jacket according to claim 8, wherein the intersection of the first cooling hole and the second cooling hole corresponds to a piston ring position of the engine block.
10. An engine characterized by comprising an engine water jacket according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121655448.9U CN216157772U (en) | 2021-07-20 | 2021-07-20 | Engine water jacket and engine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121655448.9U CN216157772U (en) | 2021-07-20 | 2021-07-20 | Engine water jacket and engine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216157772U true CN216157772U (en) | 2022-04-01 |
Family
ID=80837019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121655448.9U Expired - Fee Related CN216157772U (en) | 2021-07-20 | 2021-07-20 | Engine water jacket and engine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216157772U (en) |
-
2021
- 2021-07-20 CN CN202121655448.9U patent/CN216157772U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221230 Address after: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee after: WEICHAI POWER Co.,Ltd. Patentee after: Baldwin (Weifang) Power Co.,Ltd. Address before: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee before: WEICHAI POWER Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220401 |