CN218542425U - Double-layer cooling water jacket structure and power assembly thereof - Google Patents
Double-layer cooling water jacket structure and power assembly thereof Download PDFInfo
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- CN218542425U CN218542425U CN202222927717.3U CN202222927717U CN218542425U CN 218542425 U CN218542425 U CN 218542425U CN 202222927717 U CN202222927717 U CN 202222927717U CN 218542425 U CN218542425 U CN 218542425U
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- 239000000498 cooling water Substances 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 131
- 238000001816 cooling Methods 0.000 claims abstract description 36
- 239000000110 cooling liquid Substances 0.000 claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 31
- 239000002355 dual-layer Substances 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims 1
- 239000002826 coolant Substances 0.000 abstract description 19
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a double-deck cooling water jacket structure and power assembly thereof, double-deck cooling water jacket structure are used for setting up on the cylinder head of engine, include: the upper water jacket is internally provided with a first cooling cavity; the lower water jacket is internally provided with a second cooling cavity; the connecting channel is communicated with the first cooling cavity and the second cooling cavity; the inlet and the outlet are communicated with a cooling liquid pump body of the engine to form cooling liquid circulation; the outlet is arranged on the upper-layer water jacket, the lower-layer water jacket comprises a main water inlet and an auxiliary water inlet, and the liquid inlet amount of the main water inlet is larger than that of the auxiliary water inlet. The utility model discloses a set up main water inlet and vice water inlet on lower floor's water jacket to make the feed liquor volume of main water inlet be greater than the feed liquor volume of vice water inlet, the coolant liquid through main water inlet dispels the heat through the regional cylinder cap high heat position of the bridge of the nose of exhausting, and the rethread connecting channel flows to upper water jacket.
Description
Technical Field
The utility model belongs to the technical field of the car and specifically relates to a double-deck cooling water jacket structure and power assembly thereof is related to.
Background
The engine needs to be cooled in the working process so as to prevent the power output of the engine from being influenced by overhigh working temperature, and the common air-cooled structure has limited heat dissipation effect for a high-power engine, so that the water-cooled structure is considered at present, and at present, a water-cooled spacer bush is generally arranged on a cylinder cover of the engine, and cooling liquid is circulated to the water-cooled spacer bush through a water pump part in a cooling part, so that water-cooled heat dissipation is performed.
The existing cylinder cover water jacket is of a single-layer structure, cooling liquid flows uniformly from the front end to the rear end to dissipate heat of a cylinder cover, and the heat productivity of part of an engine is very high, such as an exhaust nose bridge area of the engine, so that under the condition that the cooling liquid flows uniformly, a large amount of cooling liquid does not pass through a high-heat part of the cylinder cover, the cooling effect on the cylinder cover is poor, and the performance of the engine and the service life of the cylinder cover are affected.
In view of this, the present invention is especially provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a double-deck cooling water jacket structure and power assembly thereof to solve among the prior art the water jacketed coolant liquid of cylinder cap and evenly flow to the rear end from the front end, can't concentrate and carry out high-efficient radiating technical problem to the cylinder cap.
The utility model discloses the first aspect provides a double-deck cooling water jacket structure for set up on the cylinder head of engine, include:
the upper water jacket is internally provided with a first cooling cavity;
the lower water jacket is internally provided with a second cooling cavity;
the connecting channel is communicated with the first cooling cavity and the second cooling cavity;
the inlet and the outlet are communicated with a cooling liquid pump body of the engine to form cooling liquid circulation;
the outlet is arranged on the upper-layer water jacket, the lower-layer water jacket comprises a main water inlet and an auxiliary water inlet, the upper-layer water jacket is connected with the lower-layer water jacket through a connecting channel, and the liquid inlet amount of the main water inlet is larger than that of the auxiliary water inlet.
In this scheme, through set up vice water inlet and main water inlet on lower water jacket to make the feed liquor volume of main water inlet be greater than the feed liquor volume of vice water inlet, the coolant liquid through main water inlet dispels the heat through the regional high heat position of cylinder cap of the bridge of the nose of exhausting, and the rethread connecting channel flows to upper water jacket. And after the cooling liquid enters the upper water jacket structure through the auxiliary water inlet and the main water inlet through the connecting channel, the cooling liquid is discharged to a cooling liquid pump of the engine from an outlet so as to realize cooling liquid circulation.
The utility model discloses an in the further scheme, lower extreme of lower floor's water jacket includes a plurality of middle part external members and two marginal external members, and is a plurality of middle part external member interconnect, two the marginal external member sets up respectively at a plurality of interconnect the tip of middle part external member.
In a further aspect of the present invention, the first cooling cavity comprises a plurality of middle cavities in the middle sleeve and a plurality of edge cavities in the edge sleeve, wherein the edge cavities communicate with the middle cavities.
In the scheme, the lower-layer water jacket is divided into the plurality of middle sleeve pieces and the edge sleeve pieces, and the middle cavity and the edge cavity which are communicated with each other are respectively arranged in the middle sleeve pieces and the edge sleeve pieces, so that cooling liquid entering the first cooling cavity can be uniformly dispersed, the contact area of the double-layer cooling water jacket structure and an engine cylinder cover is increased, and the cooling efficiency of the double-layer cooling water jacket structure can be effectively improved.
In a further aspect of the present invention, the connecting channel has one end disposed on the top of the middle sleeve or the edge sleeve, and the other end disposed on the bottom of the upper water jacket.
In this scheme, through the edge external member with the top of middle part external member sets up a plurality of interface channel, interface channel's the other end links to each other with the bottom of upper water jacket for coolant liquid in the lower floor water jacket can get into upper water jacket from a plurality of directions, so that get into the coolant liquid homodisperse of upper water jacket from lower floor water jacket, and then make coolant liquid finally flow from the export, and this process has promoted the heat exchange efficiency of coolant liquid with the cylinder cap.
In a further aspect of the present invention, the auxiliary water inlet comprises two middle inlets disposed at the bottom of the middle sleeve and an edge inlet disposed on the edge sleeve.
The utility model discloses an in the optimization scheme, two still be provided with the support column on the edge external member, the support column with lower floor's water jacket is connected, can promote the joint strength between lower floor's water jacket and the upper water jacket through increasing the support column.
The utility model discloses a further scheme in, upper water jacket with be equipped with the installed part on the lower floor's water jacket, the installed part is used for double-deck cooling water jacket structure with the cylinder cap is connected.
In a further aspect of the present invention, the middle part external member is provided with two, the edge external member is provided with two, two the middle part external member interconnect, two the edge external member sets up two the tip of middle part external member.
The utility model discloses a in the further scheme, two the middle part external member and the edge external member with the middle part external member encloses and establishes into the cylinder cap opening, the cylinder cap opening with the coincidence of cylinder cap intake duct is in order to supply the cylinder cap intake duct cooling.
The utility model discloses the second aspect provides a power assembly, including controller, reduction gear and engine, wherein, be equipped with in the engine the utility model discloses the first aspect a double-deck cooling water jacket structure.
In a further aspect of the present invention, the inlet is protruded to form a column shape, a water cooling channel is provided on a cylinder head of the engine, and the inlet is blocked into the water cooling channel.
In this scheme, can make a large amount of coolants pass through the exhaust bridge of the nose region of cylinder cap through double-deck cooling water jacket structure, and then effectually cool off the engine fast.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a set up main water inlet and vice water inlet on lower floor's water jacket to make the feed liquor volume of main water inlet be greater than the feed liquor volume of vice water inlet, the coolant liquid through main water inlet dispels the heat through the regional cylinder cap high heat position of the bridge of the nose of exhausting, and the rethread connecting channel flows to upper water jacket. After the cooling liquid enters the upper water jacket structure through the auxiliary water inlet and the main water inlet through the connecting channel, the cooling liquid is discharged to a cooling liquid pump of the engine from an outlet so as to realize cooling liquid circulation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a double-layer cooling water jacket structure according to an embodiment of the present invention;
fig. 2 is a perspective view of a double-layer cooling water jacket structure according to an embodiment of the present invention.
Reference numerals
1. A lower water jacket;
201. an edge kit; 202. A middle sleeve member;
203. a cylinder cover opening; 301. A first main water inlet;
302. a second main water inlet; 303. A third main water inlet;
4. a connecting channel; 501. An edge inlet;
502. a middle inlet;
6. an upper water jacket; 7. And (7) an outlet.
Detailed Description
In order to make the above and other features and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings. It is understood that the specific embodiments described herein are for purposes of illustration only and are not intended to be limiting, as those of ordinary skill in the art will recognize.
In the description of the present invention, it is to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
The utility model provides a general utility model for solving the technical problem that the cooling liquid of the water jacket of the cylinder cover in the prior art can not intensively and efficiently radiate the cylinder cover because the cooling liquid uniformly flows from the front end to the rear end; the cooling liquid entering from the auxiliary water inlet and the main water inlet passes through the joint of the connecting channel and the lower-layer water jacket in a large quantity, and then the high-heat part of the cylinder cover is radiated.
As shown in fig. 1-2, a first aspect of the present invention provides a double-layered cooling water jacket structure for being disposed on a cylinder head of an engine, including:
the upper layer water jacket 6 is internally provided with a first cooling cavity;
the lower water jacket 1 is internally provided with a second cooling cavity;
the connecting channel 4 is communicated with the first cooling cavity and the second cooling cavity;
the inlet and the outlet are communicated with a cooling liquid pump body of the engine to form cooling liquid circulation;
the outlet 7 is arranged on the upper-layer water jacket 6, the lower-layer water jacket 1 comprises a main water inlet and an auxiliary water inlet, the upper-layer water jacket 6 is connected with the lower-layer water jacket 1 through a connecting channel 4, and the liquid inlet amount of the main water inlet is larger than that of the auxiliary water inlet.
In this scheme, through set up main water inlet and vice water inlet on lower water jacket 1 to make the feed liquor volume of main water inlet be greater than the feed liquor volume of vice water inlet, the coolant liquid through main water inlet dispels the heat through the regional high hot position of cylinder cap of the nose of the exhaust bridge, and rethread connecting channel flows to upper water jacket 6. After entering the upper water jacket 6 structure through the connecting channel through the auxiliary water inlet and the main water inlet, the coolant is discharged to a coolant pump of the engine from an outlet, so that the circulation of the coolant is realized.
To main water inlet, the utility model provides a further optimization scheme, it specifically can set up threely, including first main water inlet 301, second main water inlet 302 and third main water inlet 303, all set up on the lower floor's water jacket 1.
In the further aspect of the present invention, the lower layer water jacket 1 includes a plurality of middle sleeve members 202 and two edge sleeve members 201, and is plural, the middle sleeve members 202 are connected to each other, and two the edge sleeve members 201 are respectively disposed at the end portions of the middle sleeve members 202 connected to each other.
In a further aspect of the present invention, the first cooling cavity comprises a plurality of middle cavities in the middle sleeve 202 and an edge cavity in the edge sleeve 201, the edge cavity communicates with the middle cavities.
In this scheme, through separating lower floor's water jacket 1 for a plurality of middle part external member 202 and edge external member 201, and set up the middle part cavity and the edge cavity of mutual intercommunication respectively in middle part external member 202 and edge external member 201, the two constitutes first cooling chamber for coolant liquid that gets into in the first cooling chamber can the homodisperse, increases the area of contact of double-deck cooling water jacket structure and engine cylinder lid, and then can effectively promote double-deck cooling water jacket structure's cooling efficiency.
In a further aspect of the present invention, one end of the connection channel 4 is disposed on the top of the edge sleeve 201 or the middle sleeve 202, and the other end of the connection channel 4 is disposed on the bottom of the upper water jacket 6.
In this scheme, a plurality of connecting channels 4 are arranged at the tops of the edge kit 201 and the middle kit 202, and the other ends of the connecting channels 4 are connected with the bottom of the upper water jacket 6, so that the coolant in the lower water jacket 1 can enter the upper water jacket 6 from multiple directions, the coolant entering the upper water jacket 6 from the lower water jacket 1 is uniformly dispersed, the coolant finally flows out from the outlet, and the heat exchange efficiency of the coolant and the cylinder head is improved in the process.
In a further aspect of the present invention, the auxiliary water inlet comprises two middle inlets 502 disposed at the bottom of the middle sleeve 202 and one edge inlet 501 disposed on the edge sleeve 201.
The utility model discloses an in the optimization scheme, two still be provided with the support column on the edge external member 201, the support column with lower floor's water jacket 6 is connected, can promote the joint strength between lower floor's water jacket 6 and the upper water jacket 1 through increasing the support column.
In a further aspect of the present invention, the upper water jacket 1 and the lower water jacket 6 are provided with an installation member, and the installation member is used for the double-layer cooling water jacket structure and the cylinder cover (not shown) are connected.
In a further aspect of the present invention, the middle sleeve 202 has two, the edge sleeve 201 has two, the middle sleeve 202 is connected to each other, two, the edge sleeve 201 is disposed at two ends of the middle sleeve 202.
In the further aspect of the present invention, two middle part external member 202 and edge external member 201 with middle part external member 202 encloses and establishes into cylinder cap opening 203, cylinder cap opening 203 with the coincidence of cylinder cap intake duct is in order to supply the cylinder cap intake duct cooling.
Through CFD simulation of the double-layer cooling water jacket structure shown in the figures 1 and 2, the flow velocity of the cooling liquid in the exhaust nose bridge area of the cylinder head is larger than 3m/s, and the heat exchange coefficient is larger than 15000W/(m < 2 >. K). The cooling effect of the cylinder cover is enhanced, so that the reliability and the performance of the engine can be improved.
The utility model discloses the second aspect provides a power assembly, including controller, reduction gear and engine, wherein, be equipped with in the engine the utility model discloses the first aspect a double-deck cooling water jacket structure.
In a further aspect of the present invention, the inlet is protruded to form a column shape, a water cooling channel is provided on a cylinder head of the engine, and the inlet is clamped into the water cooling channel.
In this scheme, can make a large amount of coolants pass through the exhaust bridge of the nose region of cylinder cap through double-deck cooling water jacket structure, and then effectually cool off the engine fast.
Further, it should be understood by those skilled in the art that if the dual-layer cooling water jacket structure and the power assembly thereof provided by the embodiments of the present invention are provided, all or part of the sub-modules involved are combined and replaced by fusing, simple changing, mutual changing, etc., for example, each component is placed and moved; or the products formed by the components are integrally arranged; or a detachable design; any combined component can be combined into a device/apparatus/system with a specific function, and the device/apparatus/system is used to replace the corresponding component of the present invention, which also falls into the protection scope of the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., 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 invention. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A double-layered cooling water jacket structure for being provided on a cylinder head of an engine, characterized by comprising:
the upper water jacket is internally provided with a first cooling cavity;
the lower water jacket is internally provided with a second cooling cavity;
the connecting channel is communicated with the first cooling cavity and the second cooling cavity;
the inlet and the outlet are communicated with a cooling liquid pump body of the engine to form cooling liquid circulation;
the outlet is arranged on the upper-layer water jacket, the lower-layer water jacket comprises a main water inlet and an auxiliary water inlet, the upper-layer water jacket is connected with the lower-layer water jacket through a connecting channel, and the liquid inlet amount of the main water inlet is larger than that of the auxiliary water inlet.
2. The dual-layer cooling water jacket structure according to claim 1, wherein the lower end of the lower layer water jacket includes a plurality of middle kit members and two edge kit members, the plurality of middle kit members being connected to each other, the two edge kit members being respectively provided at ends of the plurality of interconnected middle kit members.
3. The dual-layer cooling water jacket structure according to claim 2, wherein the second cooling cavity comprises a central cavity disposed in a plurality of the central sleeves and an edge cavity disposed in the edge sleeve, and the edge cavity and the central cavity are communicated with each other.
4. The double-layered cooling water jacket structure according to claim 3, wherein one end of the connection passage is provided at the top end of the edge set or the middle set, and the other end of the connection passage is provided at the bottom of the upper layer water jacket.
5. The dual-layer cooling water jacket structure according to claim 4, wherein the secondary water inlet comprises two middle inlets provided at the bottom of the middle kit and one edge inlet provided on the edge kit.
6. The double-layer cooling water jacket structure according to claim 5, wherein mounting pieces are arranged on the upper-layer water jacket and the lower-layer water jacket, and the mounting pieces are used for connecting the double-layer cooling water jacket structure with the cylinder cover.
7. The dual-layer cooling water jacket structure according to claim 6, wherein there are two of the middle sleeves, and two of the edge sleeves, the two middle sleeves being connected to each other, and the two edge sleeves being provided at ends of the two middle sleeves.
8. The double-layer cooling water jacket structure according to claim 7, wherein two of the middle sleeve and the edge sleeve and the middle sleeve enclose a cylinder head opening, and the cylinder head opening coincides with the cylinder head inlet for cooling the cylinder head inlet.
9. A power assembly comprising a controller, a speed reducer and an engine, wherein the engine is provided with a double-layer cooling water jacket structure according to any one of claims 1 to 8.
10. A power assembly according to claim 9, wherein: the inlet protrudes outwards to form a column shape, a water cooling channel is arranged on a cylinder cover of the engine, and the inlet is clamped in the water cooling channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222927717.3U CN218542425U (en) | 2022-11-03 | 2022-11-03 | Double-layer cooling water jacket structure and power assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222927717.3U CN218542425U (en) | 2022-11-03 | 2022-11-03 | Double-layer cooling water jacket structure and power assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218542425U true CN218542425U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222927717.3U Active CN218542425U (en) | 2022-11-03 | 2022-11-03 | Double-layer cooling water jacket structure and power assembly thereof |
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| Country | Link |
|---|---|
| CN (1) | CN218542425U (en) |
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- 2022-11-03 CN CN202222927717.3U patent/CN218542425U/en active Active
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