CN208236511U - Cylinder head with middle partition - Google Patents
Cylinder head with middle partition Download PDFInfo
- Publication number
- CN208236511U CN208236511U CN201820851419.1U CN201820851419U CN208236511U CN 208236511 U CN208236511 U CN 208236511U CN 201820851419 U CN201820851419 U CN 201820851419U CN 208236511 U CN208236511 U CN 208236511U
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- cylinder head
- middle partition
- water jacket
- upper water
- sleeve
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Abstract
The utility model discloses a kind of cylinder head with middle partition, comprising: middle partition, cylinder head upper water sleeve and cylinder head lower water jacket.At least one gas vent is offered on middle partition；Cylinder head upper water sleeve is set to the top of middle partition, and the input end of cylinder head upper water sleeve is to introduce coolant liquid；And cylinder head lower water jacket is set to the lower section of middle partition, and the input end of cylinder head lower water jacket keeps being connected to by water-supply line with the outlet end of cylinder head upper water sleeve；Wherein, coolant liquid and enters outlet pipe from the outlet end of cylinder head lower water jacket from the input end of cylinder head upper water sleeve followed by water-supply line and cylinder head lower water jacket；Wherein, at least one gas vent is to enter cylinder head upper water sleeve for the bubble stockpiled in cylinder head lower water jacket；Wherein, engine is gone out by the row of exhausting-gas hole at the top of cylinder head into the bubble of cylinder head upper water sleeve.Whereby, the cylinder head with middle partition of the utility model, it is unsmooth to can be effectively prevented engine exhaust, leads to coolant boiling.
Description
Technical field
The utility model is about field of internal combustion engine, especially with regard to a kind of cylinder head with middle partition.
Background technique
For Modern Engine due to the requirement discharged and fuel oil consumes, engine flare pressure is higher and higher, but explosion pressure
Raising also requires that the strength and stiffness of cylinder head are improved accordingly.In order to improve cylinder head strength and stiffness, generally need
Increase the cooling to cylinder head bottom plate, prevents the excessively high mechanical property of materials decline of temperature, therefore engine cylinder cap one now
As be designed as upper layer and lower layer water jacket, water jacket is divided by upper layer water jacket and lower layer's water jacket by partition in increasing, to improve cylinder head
The coolant flow speed of bottom plate improves radiating efficiency.
In general, after engine operates, the heat of fuel combustion needs to pass in cylinder head by cylinder head bottom plate
Coolant liquid.After cylinder head plate is heated, the coolant liquid of flowing cools down it, and coolant liquid in cylinder head due to flowing pressure
Power can generate variation, more or less bubble dissolved in anti-icing fluid can due to pressure variation and be precipitated, when bubble coalescence exists
When can not be discharged at middle partition, poly- at more bubble coalescences, rear coolant liquid will generate boiling to a certain extent less, to reduce
The radiating efficiency of coolant liquid, so that engine bottom plate temperature is increased, when temperature is increased under one layer of degree mechanical performance
Drop, and make cylinder head bottom slab crack.
It is flowed from top to bottom using the cylinder head of the TOP-DOWN type of cooling due to coolant liquid, is unfavorable for bubble and passes through upper water
Mouth is discharged into cylinder cap upper water sleeve from cylinder cap lower water jacket, causes bubble that can not be discharged, being gathered in lower water jacket leads to coolant boiling.
The structural schematic diagram of traditional cylinder head as shown in Figure 1, middle partition 1 in horizontally disposed, by be located at exhaust side or
Bubble is discharged into cylinder head upper water sleeve 2 from cylinder head lower water jacket 3 by the water-supply line 4 of person's air inlet side.Since middle partition 1 is horizontal cloth
It sets, when engine, which is in, is tilted towards one side of exhaust side, a large amount of bubbles be will accumulate at middle partition 1, can not arrange place；Aggregation
Bubble can allow 3 coolant boiling of cylinder head lower water jacket, further influence the performance of cylinder head and generate failure.
The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and
It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing
Technology.
Utility model content
The purpose of this utility model is to provide a kind of cylinder head with middle partition, and engine row can be effectively prevented
Gas is unsmooth to lead to coolant boiling, further influences the performance of cylinder head and leads to the problem of failure.
To achieve the above object, the utility model provides a kind of cylinder head with middle partition, comprising: middle partition, gas
Cylinder cap upper water sleeve and cylinder head lower water jacket.At least one gas vent is offered on middle partition；During cylinder head upper water sleeve is set to
The top of partition, and the input end of cylinder head upper water sleeve is to introduce coolant liquid；And cylinder head lower water jacket is set to middle partition
Lower section, and the input end of cylinder head lower water jacket is connected to by the outlet end holding of water-supply line and cylinder head upper water sleeve；Wherein, cold
But liquid from the input end of cylinder head upper water sleeve followed by water-supply line and cylinder head lower water jacket, and from the outlet of cylinder head lower water jacket
End enters outlet pipe；Wherein, at least one gas vent is to enter water in cylinder head for the bubble stockpiled in cylinder head lower water jacket
Set；Wherein, engine is gone out by the row of exhausting-gas hole at the top of cylinder head into the bubble of cylinder head upper water sleeve.
In a preferred embodiment, the quantity of at least one gas vent is two, and two gas vents open up respectively
In the both ends of middle partition.
In a preferred embodiment, middle partition is tilted down arrangement.
Compared with prior art, the cylinder head according to the present utility model with middle partition has the following beneficial effects: this
The cylinder head with middle partition of utility model, can be effectively prevented that engine exhaust is unsmooth to lead to coolant boiling, further
It influences the performance of cylinder head and leads to the problem of failure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing cylinder head.
Fig. 2 is the structural schematic diagram according to the cylinder head with middle partition of one embodiment of the utility model.
Main appended drawing reference explanation:
Partition in 1-, 11- gas vent, 2- cylinder head upper water sleeve, 3- cylinder head lower water jacket, 4- water-supply line.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in Fig. 2, Fig. 2 is the structural representation according to the cylinder head with middle partition of one embodiment of the utility model
Figure, according to a kind of cylinder head with middle partition of the preferred embodiments of the present invention, comprising: water on middle partition 1, cylinder head
Set 2 and cylinder head lower water jacket 3.At least one gas vent 11 is offered on middle partition 1；Cylinder head upper water sleeve 2 is set to interval
The top of plate 1, and the input end of cylinder head upper water sleeve 2 is to introduce coolant liquid；And cylinder head lower water jacket 3 is set to middle partition
1 lower section, and the input end of cylinder head lower water jacket 3 keeps being connected to by water-supply line with the outlet end of cylinder head upper water sleeve 2；Its
In, coolant liquid, followed by water-supply line and cylinder head lower water jacket 3, and is lauched from the input end of cylinder head upper water sleeve 2 from cylinder head
The outlet end of set 3 enters outlet pipe；Wherein, at least one gas vent 11 to the bubble for being stockpiled in cylinder head lower water jacket 3 into
Enter cylinder head upper water sleeve 2；Wherein, engine is gone out by the row of exhausting-gas hole at the top of cylinder head into the bubble of cylinder head upper water sleeve 2.
In a preferred embodiment, the quantity of at least one gas vent 11 is two, and two gas vents 11 are distinguished
The both ends of middle partition 1 are opened in, but the utility model is without being limited thereto, middle partition 1 can open more gas vents according to actual needs
11, which is pore, for passing through for bubble；Middle partition 1 is tilted down arrangement.
In practical applications, respectively beginning to rehearse in middle 1 intake and exhaust side (both ends) of partition, (gas vent 11 can be in air inlet stomata 11
Side is also possible to can also be intake and exhaust side in exhaust side and be all disposed with), allow the bubble of cylinder head lower water jacket 3 that can pass through exhaust
Hole 11 is discharged into cylinder head upper water sleeve 2, prevents cylinder head lower water jacket 3 from generating boiling since bubble is accumulated, and is discharged into cylinder head
The row of exhausting-gas hole that the bubble of upper water sleeve 2 then passes through at the top of cylinder head goes out engine.Middle partition 1 can be horizontally disposed be also possible to
Non-horizontal arrangement (diagonally downward arrange), and gas vent can be every cylinder and all design and has, and be also possible to spaced design, by above
Structure configuration, thus while realizing coolant liquid and cooled down to cylinder head, the bubble that is accumulated in cylinder head lower water jacket 3
Therefrom the gas vent 11 of partition 1 and the row of exhausting-gas hole at the top of cylinder head it can go out engine, so that cylinder head lower water jacket 3 will not allow
Coolant boiling.
In short, the cylinder head with middle partition of the utility model, under the premise of additionally not increasing water-supply line, cylinder head
The bubble of lower water jacket is smooth to be discharged into cylinder head upper water sleeve, is ultimately drained into outside engine, is lauched to effectively prevent cylinder head
The case where bubble of set is accumulated and makes coolant boiling that cylinder head be caused to be damaged.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These
Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model
And its practical application, so that those skilled in the art can be realized and utilize a variety of different examples of the utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shapes
Formula is limited.
Claims (3)
1. a kind of cylinder head with middle partition characterized by comprising
Middle partition offers at least one gas vent thereon；
Cylinder head upper water sleeve is set to the top of the middle partition, and the input end of the cylinder head upper water sleeve is to introduce
Coolant liquid；And
Cylinder head lower water jacket is set to the lower section of the middle partition, and the input end of the cylinder head lower water jacket passes through upper water
Road keeps being connected to the outlet end of the cylinder head upper water sleeve；
Wherein, the coolant liquid is from the input end of the cylinder head upper water sleeve followed by the water-supply line and the cylinder
Lid lower water jacket, and enter outlet pipe from the outlet end of the cylinder head lower water jacket；
Wherein, at least one described gas vent is entered in the cylinder head with for the bubble stockpiled in the cylinder head lower water jacket
Water jacket；
Wherein, engine is gone out by the row of exhausting-gas hole at the top of cylinder head into the bubble of the cylinder head upper water sleeve.
2. having the cylinder head of middle partition as described in claim 1, which is characterized in that the quantity of at least one gas vent
It is two, and two gas vents are opened in the both ends of the middle partition respectively.
3. having the cylinder head of middle partition as described in claim 1, which is characterized in that the middle partition is tilted down cloth
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820851419.1U CN208236511U (en) | 2018-06-04 | 2018-06-04 | Cylinder head with middle partition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820851419.1U CN208236511U (en) | 2018-06-04 | 2018-06-04 | Cylinder head with middle partition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208236511U true CN208236511U (en) | 2018-12-14 |
Family
ID=64575394
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820851419.1U Active CN208236511U (en) | 2018-06-04 | 2018-06-04 | Cylinder head with middle partition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208236511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547705A (en) * | 2018-06-04 | 2018-09-18 | 广西玉柴机器股份有限公司 | Cylinder head with middle partition board |
-
2018
- 2018-06-04 CN CN201820851419.1U patent/CN208236511U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547705A (en) * | 2018-06-04 | 2018-09-18 | 广西玉柴机器股份有限公司 | Cylinder head with middle partition board |
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