CN206845292U - A kind of reverse circulating type cooling structure of engine - Google Patents
A kind of reverse circulating type cooling structure of engine Download PDFInfo
- Publication number
- CN206845292U CN206845292U CN201720521393.XU CN201720521393U CN206845292U CN 206845292 U CN206845292 U CN 206845292U CN 201720521393 U CN201720521393 U CN 201720521393U CN 206845292 U CN206845292 U CN 206845292U
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- Prior art keywords
- cooling
- cylinder body
- sap cavity
- cylinder
- engine
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Abstract
The utility model discloses a kind of reverse circulating type cooling structure of engine, including cylinder body and cylinder cap, several cylinder holes are provided with the cylinder body, wherein, in addition to：Intake tunnel, it is arranged in the side wall of the cylinder body；Cooling flow channel, it is communicated with the intake tunnel, and the cooling flow channel is used to be passed through coolant so that coolant can flow in the cylinder body and the cylinder cap；And exhalant canal, it is arranged on the cylinder body, and the exhalant canal communicates with the cooling flow channel.The utility model on the cylinder body and cylinder cap of engine by setting cooling flow channel, and the ridge area that coolant can be preferentially with cylinder cap carries out heat exchange, so as to be cooled down to the ridge area of cylinder cap；The single flow direction of coolant in cooling flow channel, the cylinder cap of engine can be preferentially cooled down, it is good that it cools down thermal diffusivity.
Description
Technical field
Engine art is the utility model is related to, more particularly to a kind of reverse circulating type cooling structure of engine.
Background technology
As the power per liter of engine small, and engine improves constantly, caused heat in engine
With greatly increasing, engine heat load is caused to increase, original engine cool mode is that coolant is fed through into engine
Cylinder body, coolant flow to the cylinder cap of engine with both direction and then discharge engine, and coolant preferentially carries out cold to cylinder body
But cool, but it is low to the high-temperature area cooling capacity of cylinder cap, and particularly the ridge area of cylinder cap, ridge area are to include gas on cylinder cap
There is larger heat door, the isostructural region of atomizer, ridge area, and coolant is higher to temperature after cylinder body cooling, to nose
Liang Qu cooling capacity is limited, and its radiating effect can not fully meet radiating requirements during engine work.If hair
Motivation cylinder cap in time can not go out heat transfer, easily cause sticking of piston rings and cylinder jacket and wear and produce end mill rapidly
Adverse consequences or the damage of other associated parts, influence the normal operation of engine, the service life reduction of engine.
The information for being disclosed in the background section is merely intended to increase the understanding to general background of the present utility model, and
It is not construed as recognizing or implies that the information structure has been existing well known to persons skilled in the art in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of engine reverse circulating type cooling structure, so as to overcome prior art
Middle engine cool mode cooling capacity deficiency, the shortcomings that heat-sinking capability difference.
To achieve the above object, the utility model provide a kind of reverse circulating type cooling structure of engine, including cylinder body with
And cylinder cap, several cylinder holes are provided with the cylinder body, wherein, in addition to：Intake tunnel, it is arranged at the side wall of the cylinder body
On；Cooling flow channel, it is communicated with the intake tunnel, and the cooling flow channel is used to be passed through coolant so that cooling liquid energy
It is enough to be flowed in the cylinder body and the cylinder cap；And exhalant canal, it is arranged on the cylinder body, the exhalant canal and institute
Cooling flow channel is stated to communicate.
Preferably, in above-mentioned technical proposal, the cooling flow channel is provided with the first cooling sap cavity, the second coolant
Chamber, the 3rd cooling sap cavity and apocenosis passage, the first cooling sap cavity are arranged in the side wall of the cylinder body, and described first is cold
But sap cavity communicates with the intake tunnel, it is described second cooling sap cavity is arranged on the cylinder cap, it is described second cooling sap cavity with
The first cooling sap cavity and the intake tunnel are communicated, and the 3rd cooling sap cavity is arranged on the cylinder body, and described the
Three cooling sap cavities are communicated with the described second cooling sap cavity, and the apocenosis passage is arranged on the cylinder body, the 3rd coolant
Chamber is communicated by the apocenosis passage with the exhalant canal.
Preferably, in above-mentioned technical proposal, the second cooling sap cavity can cover the top of the ridge area of the cylinder cap.
Preferably, in above-mentioned technical proposal, several described apocenosis passages be distributed in from top to bottom two cylinder holes it
Between.
Preferably, in above-mentioned technical proposal, the exhalant canal is in one of the cylinder body together with the intake tunnel
In side wall, the exhalant canal is located at the lower section of the intake tunnel.
Compared with prior art, the utility model has the advantages that：
1st, the reverse circulating type cooling structure of a kind of engine of the present utility model, the cylinder body and cylinder cap in engine are passed through
Upper setting cooling flow channel, so that the ridge area that coolant can be preferentially with cylinder cap carries out heat exchange, so as to cylinder cap
Ridge area cool down；Coolant surround flowing in the type of flow of cooling flow channel to be single, i.e., from cylinder body stream
Cylinder body is back to after to cylinder cap again, is finally discharged from cylinder body, its good flowing properties, flow velocity is high, can preferentially reduce engine
The temperature of interior cylinder cap, cool down perfect heat-dissipating.
2nd, the utility model is by setting several apocenosis passages to be distributed on cylinder body, and apocenosis passage is located at two cylinder holes
Between, in order to which coolant and cylinder holes carry out heat exchange, further improve cooling effectiveness.
3rd, the utility model is by setting exhalant canal and intake tunnel to be in together in a side wall of cylinder body, so that cooling
Flow channel is in hollow on section, so as to which the long flow path of cooling flow channel, cooling effectiveness are high.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the reverse circulating type cooling structure of engine of the present utility model.
Fig. 2 is the A-A sectional views in Fig. 1.
Main Reference Numerals explanation：
1- cylinder caps, 2- intake tunnels, 3- exhalant canals, 4- apocenosis passages, the cooling sap cavities of 5- the 3rd, 6- cylinder bodies, 7- cylinder holes,
8- second cools down sap cavity, and 9- first cools down sap cavity, 10- ridge areas.
Embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality
New protection domain is not limited by embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
With reference to figure 1, a kind of reverse circulating type cooling structure of engine, including cylinder body 6, cylinder cap 1, intake tunnel 2, cooling stream
Dynamic passage and exhalant canal 3.Cylinder body 6 is connected with cylinder cap 1, and several cylinder holes 7 are provided with cylinder body 6, and intake tunnel 2 is arranged at
In the side wall of cylinder body 6, cooling flow channel communicates with intake tunnel 2, and cooling flow channel is used to be passed through coolant so that cooling
Liquid energy is enough to be flowed in cylinder body 6 and cylinder cap 1, and exhalant canal 3 is arranged on cylinder body 6, exhalant canal 3 and cooling flow channel phase
It is logical.
With reference to figure 1, exhalant canal 3 and intake tunnel 2 are in together in a side wall of cylinder body 6, and exhalant canal 3 be located at into
The lower section of aquaporin 2, so that cooling flow channel is in hollow on section, consequently facilitating coolant flows through cylinder body 6 and cylinder cap
1, extend coolant flow, improve cooling effectiveness.
Cooling flow channel is provided with the first cooling sap cavity 9, second cooling sap cavity the 8, the 3rd cooling sap cavity 5 and discharge opeing is led to
Road 4.First cooling sap cavity 9 is arranged in the side wall of cylinder body 6, it is preferable that the first cooling sap cavity 9 is in cylinder together with intake tunnel 2
In one side wall of body 6, the first cooling sap cavity 9 is communicated with intake tunnel 2 by the first connecting pipe, and the first connecting pipe is horizontal
Set and positioned at the lower end of the first cooling sap cavity 9 and intake tunnel 2, so that the first cooling sap cavity 9 and intake tunnel 2 are formed
Linker structure, so as to be consistent the liquid level of the first cooling sap cavity 9 and intake tunnel 2.Second cooling sap cavity 8 is set
It is placed on cylinder cap 1, one end of the second cooling sap cavity 8 communicates with the upper end of the first cooling sap cavity 9 and the upper end of intake tunnel 2,
When the first cooling sap cavity 9 and the filling completely coolant of intake tunnel 2, coolant overflow enters the second cooling sap cavity 8；Second is cold
But sap cavity 8 is arranged at the top of ridge area 10, can be with ridge area 10 when being flowed in order to coolant in the second cooling sap cavity 8
Heat exchange is carried out, so as to be cooled to ridge area 10.3rd cooling sap cavity 5 is arranged on cylinder body 6 and cooled down with second
The other end of sap cavity 8 is communicated, and apocenosis passage 4 is arranged on cylinder body 6, the water inlet end of apocenosis passage 4 and the 3rd cooling phase of sap cavity 5
Logical, the water side of apocenosis passage 4 communicates with exhalant canal 3, and apocenosis passage 4 can guide the coolant in the 3rd cooling sap cavity 5
It flow to exhalant canal 3.
With continued reference to Fig. 1 and Fig. 2, several apocenosis passages 4 are distributed between two cylinder holes 7 from top to bottom, each discharge opeing
Passage 4 is parallel to each other, and in order to coolant flow, the section of apocenosis passage 4 is circle, in order to increase coolant and cylinder body 6
Heat exchange area, so as to improve cooling effectiveness.
A kind of operation principle of the reverse circulating type cooling structure of engine of the present utility model is that intake tunnel 2 injects cold
But liquid, coolant enters the first cooling sap cavity 9 by the first connecting pipe, and tentatively cylinder body 6 is cooled down, coolant
Fill up after intake tunnel 2 and first cools down sap cavity 9 and flow into the second cooling sap cavity 8, coolant flows in the second cooling sap cavity 8
Move and by the top of ridge area 10, heat exchange is carried out in the top of ridge area 10 so as to reduce the temperature of cylinder cap 1, carries heat
Coolant flow to the 3rd cooling sap cavity 5 after further flow to apocenosis passage 4, positioned at the coolant and cylinder of apocenosis passage 4
Body 6 carries out heat exchange again, and the high temperature coolant after the completion of heat exchange flows into exhalant canal 3 and finally discharges engine.
The foregoing description to specific illustrative embodiment of the present utility model is to illustrate and the purpose of illustration.These
Description is not wishing to for the utility model to be defined to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explain certain principles of the present utility model
And its practical application, so that those skilled in the art can realize and utilize a variety of examples of the present utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shape
Formula is limited.
Claims (5)
1. a kind of reverse circulating type cooling structure of engine, including cylinder body and cylinder cap, several cylinders are provided with the cylinder body
Hole, it is characterised in that also include：
Intake tunnel, it is arranged in the side wall of the cylinder body；
Cooling flow channel, it is communicated with the intake tunnel, and the cooling flow channel is used to be passed through coolant so that coolant
It can be flowed in the cylinder body and the cylinder cap；And
Exhalant canal, it is arranged on the cylinder body, and the exhalant canal communicates with the cooling flow channel.
2. the reverse circulating type cooling structure of engine according to claim 1, it is characterised in that：The cooling flow channel
The first cooling sap cavity, the second cooling sap cavity, the 3rd cooling sap cavity and apocenosis passage are provided with, the first cooling sap cavity is set
In in the side wall of the cylinder body, the first cooling sap cavity is communicated with the intake tunnel, and the second cooling sap cavity is arranged at
On the cylinder cap, the second cooling sap cavity communicates with the described first cooling sap cavity and the intake tunnel, and the described 3rd is cold
But sap cavity is arranged on the cylinder body, and the 3rd cooling sap cavity is communicated with the described second cooling sap cavity, and the apocenosis passage is set
It is placed on the cylinder body, the 3rd cooling sap cavity is communicated by the apocenosis passage with the exhalant canal.
3. the reverse circulating type cooling structure of engine according to claim 2, it is characterised in that：The second cooling sap cavity
The top of the ridge area of the cylinder cap can be covered.
4. the reverse circulating type cooling structure of engine according to claim 2, it is characterised in that：Several described discharge opeings are led to
Road is distributed between two cylinder holes from top to bottom.
5. the reverse circulating type cooling structure of engine according to claim 1, it is characterised in that：The exhalant canal and institute
State intake tunnel to be in together in a side wall of the cylinder body, the exhalant canal is located at the lower section of the intake tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720521393.XU CN206845292U (en) | 2017-05-11 | 2017-05-11 | A kind of reverse circulating type cooling structure of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720521393.XU CN206845292U (en) | 2017-05-11 | 2017-05-11 | A kind of reverse circulating type cooling structure of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206845292U true CN206845292U (en) | 2018-01-05 |
Family
ID=60795535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720521393.XU Expired - Fee Related CN206845292U (en) | 2017-05-11 | 2017-05-11 | A kind of reverse circulating type cooling structure of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206845292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988851A (en) * | 2017-05-11 | 2017-07-28 | 广西玉柴动力机械有限公司 | A kind of reverse circulating type cooling structure of engine and the type of cooling |
-
2017
- 2017-05-11 CN CN201720521393.XU patent/CN206845292U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988851A (en) * | 2017-05-11 | 2017-07-28 | 广西玉柴动力机械有限公司 | A kind of reverse circulating type cooling structure of engine and the type of cooling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 537005 Yuchai Industrial Park, Yulin, the Guangxi Zhuang Autonomous Region Patentee after: GUANGXI YUCHAI POWER CO.,LTD. Address before: 537005 Yuchai Industrial Park, Yulin, the Guangxi Zhuang Autonomous Region Patentee before: GUANGXI YUCHAI POWER MACHINERY 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: 20180105 |