CN208106585U - A kind of cooling structure of automobile engine cylinder-body - Google Patents
A kind of cooling structure of automobile engine cylinder-body Download PDFInfo
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- CN208106585U CN208106585U CN201820564637.7U CN201820564637U CN208106585U CN 208106585 U CN208106585 U CN 208106585U CN 201820564637 U CN201820564637 U CN 201820564637U CN 208106585 U CN208106585 U CN 208106585U
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- cooling
- cooling hole
- engine cylinder
- ridge area
- hole
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Abstract
The utility model provides a kind of cooling structure of automobile engine cylinder-body, belongs to technical field of engines.It solves the problems, such as that the cooling of available engine cylinder body ridge area is halfway.The cooling structure of this automobile engine cylinder-body, engine cylinder body includes several cylinder-bores, there is ridge area between two neighboring cylinder-bore, cooling structure includes the first cooling hole, first cooling hole is provided on ridge area, first cooling hole runs through ridge area two sides, and the axis of the first cooling hole is tilted with respect to the axis of cylinder-bore.The cooling structure of this automobile engine cylinder-body has the advantages that be fully cooled engine cylinder body ridge area.
Description
Technical field
The utility model belongs to technical field of engines, is related to a kind of cooling structure of automobile engine cylinder-body.
Background technique
Cylinder body as engine system mounting framework and bear various load, the cylinder holes on cylinder body be used to piston is installed simultaneously
Sealed combustion chamber, a part of cylinder holes as combustion chamber will also be resistant to piston and rub other than needing to bear the pressure that burning generates
The high temperature wiped and generated.The especially heat build-up of cylinder holes top combustion chamber generation, cannot such as cool down in time, and cylinder holes and piston will
It is deformed due to overheat, the scuffing of cylinder bore failure for causing piston and cylinder abnormal friction to generate causes engine to be scrapped.
In view of the above problems, many car manufacturers are designed for the cooling structure of cylinder body, such as in
State's Patent document data discloses a kind of cylinder body water jacket of engine [application number：200910251510.5；Application publication number：
CN101749140A], including engine cylinder body ontology opens up cylinder-bore cylindrical on engine cylinder body ontology, along gas
The external application wall arrangement peripheral profile of cylinder holes cylinder body water jacket substantially annular in shape, the ridge area of the engine cylinder body ontology opens up
Cross section cooling trough in long strip, the both ends of cooling trough and the cylinder body water jacket of annular connect.
The engine cylinder body cooling structure can cool down the ridge area of cylinder body.The engine cylinder body cooling structure
Cooling trough is provided on the ridge area top end face of cylinder body, still, due to piston head the inside of cylinder body do circulation it is past
The position that opens up of multiple movement, the cooling trough only cools down the top end face of the ridge area of cylinder body, leads to engine cylinder
The cooling of body ridge area is not thorough.
Summary of the invention
The purpose of this utility model is to propose a kind of automotive engine cylinder for the above-mentioned problems in the prior art
The technical issues of cooling structure of body, solution is to be fully cooled the ridge area of engine cylinder body.
The purpose of this utility model can be realized by the following technical scheme：A kind of cooling knot of automobile engine cylinder-body
Structure, engine cylinder body include several cylinder-bores, have ridge area between the two neighboring cylinder-bore, and cooling structure includes the
One cooling hole, first cooling hole are provided on ridge area, which is characterized in that first cooling hole runs through ridge area two
The axis of side, first cooling hole is tilted with respect to the axis of cylinder-bore.
The principle of the cooling structure of this automobile engine cylinder-body is：It is cooling when the ridge area of automobile engine cylinder-body is cooling
Liquid is entered in ridge area by the first cooling hole, and coolant liquid drops ridge area along the hole wall flowing of the first cooling hole
Temperature.Ridge area is the region between the two neighboring cylinder-bore, and the first cooling hole is obliquely installed so that the first cooling hole is in nose
The section arranged in beam area is big, and the first cooling hole is obliquely installed so that coolant flow speed is fast, so that coolant liquid is to nose
The cooling range of Liang Qu is wide and cooling velocity is fast, so that the ridge area of engine cylinder body can be fully cooled.
In a kind of cooling structure of above-mentioned automobile engine cylinder-body, the cooling structure further includes the second cooling hole,
The arrival end of first cooling hole and the arrival end of the second cooling hole are located at the two sides of ridge area, second cooling hole
Outlet end be connected with the first cooling hole.The setting of first cooling hole and the second cooling hole is so that coolant liquid enters cooling hole
In speed it is fast, be connected with the first cooling hole so that the first cooling hole and the second cooling hole by the outlet end of the second cooling hole
In coolant liquid can convective exchange, on the one hand this kind of structure avoid the COOLANT TEMPERATURE in one of cooling hole, separately
On the one hand the length that opens up for shortening the second cooling hole, reduces coolant liquid circulation path, increases water flow pressure and promotes coolant liquid in nose
The velocity of liquid assets of Liang Qu, so that the cooling efficiency of engine cylinder body ridge area is high.
In a kind of cooling structure of above-mentioned automobile engine cylinder-body, first cooling hole and the second cooling hole are in nose
The middle position in beam section length direction is connected.Since the temperature in ridge area middle position is relatively high, coolant liquid is in ridge area
Middle position convective exchange, this kind of structure make coolant liquid long in the residence time in ridge area middle position, and coolant liquid is to the bridge of the nose
Area middle position is cooling for a long time, so that the middle position of ridge area is fully cooled.
In a kind of cooling structure of above-mentioned automobile engine cylinder-body, the arrival end of first cooling hole and second cold
But the top end face that the arrival end in hole is close to engine cylinder body opens up, the axis of first cooling hole and the second cooling hole
Axis forms 30 ° -60 ° of angle with the axis of cylinder-bore.When cooling down, coolant liquid sheet in engine cylinder body is reasonably used
The top-down flow direction of body, so that coolant liquid is flowed by the first cooling hole and the second cooling hole in ridge area from top to bottom
It is dynamic, expand coolant liquid in the cooling range of ridge area, and reasonable angle design can facilitate the first cooling hole and the second cooling
Hole opens up, and avoids the damage of cutter.
In a kind of cooling structure of above-mentioned automobile engine cylinder-body, the ridge area two sides with ridge area top
An arc-shaped recess is offered between end face, first cooling hole and the second cooling hole are provided with ridge area two sides respectively
On the recess of recess.When the speed that coolant liquid flows into cooling hole is fast, recess, which can be stored, neutralizes the wait flow into the first cooling hole
Coolant liquid in two cooling holes is flowed into the first cooling hole or in the second cooling hole so that coolant liquid is lasting, meanwhile, it keeps away
Exempt from coolant liquid and generate water flow pressure in the arrival end of the first cooling hole or the arrival end of the second cooling hole, avoids coolant liquid towards hair
It flows in other regions of motivation cylinder body.
In a kind of cooling structure of above-mentioned automobile engine cylinder-body, first cooling hole and the second cooling hole are wrapped
The aperture of the flow sections for including the breeze way at arrival end and extending internally from breeze way, the breeze way is greater than flow sections
Aperture, inclined guide surface is formed between the breeze way and flow sections.This kind of structure makes coolant liquid in the first cooling hole
Flow path of the arrival end to the arrival end of outlet end or the second cooling hole to outlet end narrow from the width, generate water flow pressure
Power improves coolant liquid in the velocity of liquid assets of ridge area, and inclined guide surface makes coolant liquid smooth in the flowing of ridge area, into one
Step promotes coolant liquid in the velocity of liquid assets of ridge area.
In a kind of cooling structure of above-mentioned automobile engine cylinder-body, the cooling structure further includes cooling jacket, institute
It states cooling jacket to be set on engine cylinder body, first cooling hole is connected with cooling jacket.Coolant liquid is cooling from first
The arrival end of the arrival end in hole and the second cooling hole flows into, then flows out from the outlet end of the first cooling hole, this kind of structure maximum limit
The outflow bore of the diminution coolant liquid of degree increases water flow pressure, further increases the velocity of liquid assets of coolant liquid.
Compared with prior art, a kind of cooling structure of automobile engine cylinder-body provided by the utility model has following excellent
Point：
1, when the ridge area of automobile engine cylinder-body is cooling, coolant liquid is cooling by the arrival end of the first cooling hole and second
The arrival end in hole is flowed into ridge area, the first cooling hole and the second cooling hole is obliquely installed so that the first cooling hole is in ridge area
The section of middle setting is big, so as coolant flow path length, cooling range is wide, so that the bridge of the nose of engine cylinder body
Area can be fully cooled.
2, since the path reasonable utilization coolant liquid that opens up for opening up path and the second cooling hole of the first cooling hole is being sent out
The flow tendency of itself in motivation cylinder body so that coolant liquid is flowed from above to below in ridge area, meanwhile, the setting of guide surface so that
The aperture of first cooling hole and the aperture of the second cooling hole narrow from the width, and make coolant flow finally by the first cooling hole
To cooling jacket, so that path is by changeable few, by the outflow path of coolant liquid in conjunction with the flow direction of coolant liquid, to greatest extent
Raising coolant liquid ridge area velocity of liquid assets, to promote the cooling efficiency of ridge area.
3, the first cooling hole and the second cooling hole open up position to make on the gasket of engine that no setting is required special it is close
Seal structure is the leakproofness that can guarantee engine cylinder body, to improve the leakproofness of engine cylinder body.
4, arc-shaped recess can storage section coolant liquid so that coolant liquid can be continued to flow into cooling hole
In, meanwhile, it avoids coolant liquid from generating water flow pressure in the arrival end of the first cooling hole or the arrival end of the second cooling hole, avoids
Coolant liquid is flowed towards other regions of engine cylinder body.
5, the axis of cooling hole and the reasonable angle of the axis of cylinder-bore make opening up conveniently for cooling hole, and then avoid knife
The damage of tool.
Detailed description of the invention
Fig. 1 is the top view of this automobile engine cylinder-body cooling structure.
Fig. 2 is that the overall structure of this automobile engine cylinder-body cooling structure Fig. 1 cuts open intention.
Fig. 3 is the partial structurtes enlarged drawing of this automobile engine cylinder-body cooling structure Fig. 2.
In figure, 1, engine cylinder body；11, cylinder-bore；2, ridge area；3, the first cooling hole；4, the second cooling hole；5, recessed
Mouthful；6, breeze way；7, flow sections；8, guide surface；9, cooling jacket.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, the cooling structure of this automobile engine cylinder-body, engine cylinder body 1 includes cylinder-bore 11, cooling structure
Including the first cooling hole 3 and the first cooling hole 3.
As shown in Fig. 2, the quantity of cylinder-bore 11 is six, in actual production, the quantity of cylinder-bore 11 in the present embodiment
Can be four or eight, the region between two neighboring cylinder-bore 11 is ridge area 2, the arrival end of the first cooling hole 3 and
The arrival end of second cooling hole 4 is located at the two sides of ridge area 2, the axis of the axis of the first cooling hole 3 with respect to cylinder-bore 11
Inclination, the first cooling hole 3 run through 2 two sides of ridge area, and with coolant liquid, top-down flowing itself becomes in engine cylinder body 1
Gesture, so that coolant liquid is flowed from above to below in ridge area 2, so that the section that the first cooling hole 3 is arranged in ridge area 2
Greatly, the outlet end of the second cooling hole 4 is connected with the first cooling hole 3, and the first cooling hole 3 and the second cooling hole 4 are long in ridge area 2
The middle position in degree direction is connected, 2 two sides of ridge area offered between 2 top end face of ridge area one it is arc-shaped
Recess 5, the first cooling hole 3 and the second cooling hole 4 are provided with respectively on the recess of 2 two sides recess 5 of ridge area, and recess 5 can be deposited
Store up wait flow into the first cooling hole 3 neutralize the second cooling hole 4 in coolant liquid so that coolant liquid it is lasting be flowed into the first cooling hole
In 3 or in the second cooling hole 4, in the present embodiment, the axis of the axis of the first cooling hole 3 and the second cooling hole 4 is and cylinder
The axis in hole 11 forms 50 ° of angle, in actual production, the axis of the axis of the first cooling hole 3 and the second cooling hole 4 with
The angle that the axis of cylinder-bore 11 is formed can be 40 ° or 60 °.
As shown in figure 3, the first cooling hole 3 and the second cooling hole 4 include breeze way 6 at arrival end and from slow
The flow sections 7 that section 6 extends internally are rushed, the aperture of breeze way 6 is greater than the aperture of flow sections 7, shape between breeze way 6 and flow sections 7
At inclined guide surface 8, the setting of guide surface 8 is so that the aperture of the first cooling hole 3 and the aperture of the second cooling hole 4 are become by width
Narrow, cooling structure further includes cooling jacket 9, and cooling jacket 9 is set on engine cylinder body 1, the first cooling hole 3 and cooling jacket
9 are connected, and the first cooling hole 3 makes coolant flow to cooling jacket 9, and path is by changeable few, by the outflow path of coolant liquid
In conjunction with the flow direction of coolant liquid, coolant liquid is improved to greatest extent in the velocity of liquid assets of ridge area 2, to promote ridge area
2 cooling efficiency.
When the ridge area 2 of automobile engine cylinder-body 1 is cooling, coolant liquid is cold by the first cooling hole 3 and second on recess 5
But hole 4 enters in ridge area 2, and hole wall of the coolant liquid respectively along the first cooling hole 3 and the second cooling hole 4 tilts stream from top to bottom
Dynamic, the flowing of coolant liquid narrows from the width with the aperture of the first cooling hole 3 and the aperture of the second cooling hole 4, so that coolant liquid is in nose
The velocity of liquid assets in beam area 2 is fast, and sphere of circulation is big, and the cooling efficiency of ridge area 2 is high, so that the ridge area 2 of engine cylinder body 1
It can be fully cooled.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although engine cylinder body 1, cylinder-bore 11, ridge area 2, the cooling of the first cooling hole 3, second is used more herein
The terms such as hole 4, recess 5, breeze way 6, flow sections 7, guide surface 8, cooling jacket 9, but be not precluded using other terms can
It can property.The use of these terms is merely for the convenience of describing and explaining the nature of the invention；It is construed as appointing
The additional limitation of what one kind is all contrary to the spirit of the present invention.
Claims (7)
1. a kind of cooling structure of automobile engine cylinder-body, engine cylinder body (1) includes several cylinder-bores (11), two neighboring
There are ridge area (2) between the cylinder-bore (11), cooling structure includes the first cooling hole (3), and first cooling hole (3) is opened
It is located on ridge area (2), which is characterized in that first cooling hole (3) runs through ridge area (2) two sides, first cooling hole
(3) axis is tilted with respect to the axis of cylinder-bore (11).
2. a kind of cooling structure of automobile engine cylinder-body according to claim 1, which is characterized in that the cooling structure
It further include the second cooling hole (4), the arrival end of first cooling hole (3) and the arrival end of the second cooling hole (4) are located at
The outlet end of the two sides of ridge area (2), second cooling hole (4) is connected with the first cooling hole (3).
3. a kind of cooling structure of automobile engine cylinder-body according to claim 2, which is characterized in that described first is cooling
Hole (3) is connected with the second cooling hole (4) in the middle position of ridge area (2) length direction.
4. a kind of cooling structure of automobile engine cylinder-body according to claim 2 or 3, which is characterized in that described first
The top end face that the arrival end of cooling hole (3) and the arrival end of the second cooling hole (4) are close to engine cylinder body (1) opens up, institute
The axis of the axis and the second cooling hole (4) of stating the first cooling hole (3) forms 30 ° -60 ° of folder with the axis of cylinder-bore (11)
Angle.
5. a kind of cooling structure of automobile engine cylinder-body according to claim 2 or 3, which is characterized in that the bridge of the nose
Area (2) two sides offer an arc-shaped recess (5), first cooling hole between ridge area (2) top end face
(3) it is provided on the recess of ridge area (2) two sides recess (5) respectively with the second cooling hole (4).
6. a kind of cooling structure of automobile engine cylinder-body according to claim 2 or 3, which is characterized in that described first
Cooling hole (3) and the second cooling hole (4) include breeze way (6) at arrival end and extend internally from breeze way (6)
Flow sections (7), the aperture of the breeze way (6) is greater than the aperture of flow sections (7), the breeze way (6) and flow sections (7) it
Between form inclined guide surface (8).
7. a kind of cooling structure of automobile engine cylinder-body according to claim 2 or 3, which is characterized in that the cooling
Structure further includes cooling jacket (9), and the cooling jacket (9) is set on engine cylinder body (1), first cooling hole (3)
It is connected with cooling jacket (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820564637.7U CN208106585U (en) | 2018-04-19 | 2018-04-19 | A kind of cooling structure of automobile engine cylinder-body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820564637.7U CN208106585U (en) | 2018-04-19 | 2018-04-19 | A kind of cooling structure of automobile engine cylinder-body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208106585U true CN208106585U (en) | 2018-11-16 |
Family
ID=64119122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820564637.7U Active CN208106585U (en) | 2018-04-19 | 2018-04-19 | A kind of cooling structure of automobile engine cylinder-body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208106585U (en) |
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2018
- 2018-04-19 CN CN201820564637.7U patent/CN208106585U/en active Active
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