CN203906106U - Cylinder cover and engine with same - Google Patents
Cylinder cover and engine with same Download PDFInfo
- Publication number
- CN203906106U CN203906106U CN201420010328.7U CN201420010328U CN203906106U CN 203906106 U CN203906106 U CN 203906106U CN 201420010328 U CN201420010328 U CN 201420010328U CN 203906106 U CN203906106 U CN 203906106U
- Authority
- CN
- China
- Prior art keywords
- water jacket
- branch road
- cylinder
- side water
- cylinder cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000005266 casting Methods 0.000 claims description 6
- 210000000476 body water Anatomy 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 11
- 230000008646 thermal stress Effects 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000110 cooling liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a cylinder cover and an engine with the same. The cylinder cover comprises a cylinder cover body, wherein a cylinder cover water jacket is arranged in the cylinder cover body, and comprises an intake side water jacket branch and an exhaust side water jacket branch, which are communicated at a first end; a water inlet of the cylinder cover water jacket is formed in the exhaust side water jacket branch. According to the cylinder cover and the engine with the same, the exhaust side of a high-temperature end can be forcibly cooled, and meanwhile, the cooling of the intake side of a relative low-temperature end is weakened, so that a temperature difference between the exhaust side and the intake side of the cylinder cover is reduced, thermal stress is reduced, and the service life of the cylinder cover is prolonged.
Description
Technical field
The utility model relates to motor, more specifically, relates to a kind of cylinder head and has the motor of this cylinder head.
Background technique
Internal-combustion engine is converted into heat energy by the chemical energy of fuel oil in cylinder.Cylinder head directly contacts with hot gas in cylinder, is bearing the conduction of amount of heat, very harsh to cooling requirement.Cylinder head is a functor, is furnished with intake and exhaust channel, integrates h and c, and itself is seriously uneven in temperature.The temperature difference of cylinder head, can cause each position thermal expansion amount difference, produces thus internal stress, is called thermal stress.Thermal stress can cause cracking and fatigue crack, reduces product working life.Cylinder head cooling jacket Main Function is the heat load that reduces material; Weaken cylinder head degree uneven in temperature, reduce thermal stress.As shown in Figure 1, in existing scheme, be to intake from the intake and exhaust side of cylinder cap bottom surface simultaneously, conflux to centre, bulk flow is to for passing through.The shortcoming of existing cylinder head jacket is as follows:
1) temperature difference between different cylinders: current pass through each cylinder successively, and cooling water temperature raises gradually, and the wall temperature of each cylinder raises gradually;
2) with the temperature difference between cylinder: the current of identical temperature are cooling hot junction and cold junction simultaneously, and the cooling effect reaching is inconsistent.
Therefore, scheme can all produce thermal stress at the each position of whole cylinder head at present.
Model utility content
For the one or more problems that exist in correlation technique, the purpose of this utility model is to provide a kind of engine cylinder cap, can reduce the thermal stress producing in cylinder cap, extends the working life of cylinder cap.
For achieving the above object, according to an aspect of the present utility model, a kind of cylinder head is provided, comprise cylinder head body, in described cylinder head body, be provided with cylinder cover water jacket, described cylinder cover water jacket comprises air inlet side water jacket branch road and exhaust side water jacket branch road, and described air inlet side water jacket branch road and described exhaust side water jacket branch road are at one end interconnected, and described cylinder cover water jacket water intake is located on described exhaust side water jacket branch road.
Can realize and strengthen cooling to the exhaust side of temperature end by this cylinder cover water jacket, weaken cooling to the air inlet side of relative low temperature end simultaneously, weaken the exhaust side of cylinder head and the temperature difference of air inlet side, reduced the thermal stress producing, extended the working life of cylinder cap.
Preferably, described cylinder cover water jacket water outlet is arranged on described air inlet side water jacket branch road, and is positioned at the second relative end of first end that described air inlet side water jacket branch road is interconnected with described exhaust side water jacket branch road.
Preferably, described air inlet side water jacket branch road and described exhaust side water jacket branch road integrally casting in the time that casting forms described cylinder head is communicated with.
Preferably, described air inlet side water jacket branch road and described exhaust side water jacket branch road run through described cylinder cap body at described first end place, outside at the above first end of cylinder cap body is provided with the cover cap for sealing first end, and described air inlet side water jacket branch road and described exhaust side water jacket branch road are communicated with by described cover cap.
Preferably, described cover cap is removably connected with described cylinder cap body.
The utility model also provides a kind of motor, comprises above-mentioned cylinder head, and described motor also comprises cylinder body water jacket, and the water outlet of described block jacket is connected with described cylinder cover water jacket water intake.
Preferably, the water outlet of described block jacket and described cylinder cover water jacket water intake coaxially arrange.
Other feature and advantage of the present utility model are described in detail the embodiment part subsequently.
Brief description of the drawings
The utility model above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments obviously and easily and understand, wherein:
Fig. 1 is the schematic diagram of cylinder head jacket and coolant flow direction in prior art;
Fig. 2 is according to the schematic diagram of embodiment's of the present utility model cylinder head jacket and coolant flow direction;
Fig. 3 is according to the schematic diagram of an embodiment's of the present utility model cylinder head and coolant flow direction;
Fig. 4 is according to the schematic diagram of another embodiment's of the present utility model cylinder head and coolant flow direction;
Description of reference numerals:
In accompanying drawing, direction shown in arrow is coolant flow direction.
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
With reference to figure 2, show a kind of schematic diagram of water jacket of engine cylinder cover.With reference to Fig. 3, show the cylinder head that comprises this water jacket, this cylinder cap comprises cylinder head body 1, is provided with this cylinder cover water jacket in cylinder head body 1.Again as shown in Figure 2, cylinder cover water jacket comprises air inlet side water jacket branch road 33 and exhaust side water jacket branch road 31, described air inlet side water jacket branch road 33 and described exhaust side water jacket branch road 31 are interconnected at first end a, and wherein, cylinder cover water jacket water intake 310 is located on exhaust side water jacket branch road 31.Cooling liquid enters cylinder cover water jacket from cylinder cover water jacket water intake 310, then flow to air inlet side water jacket branch road from exhaust side water jacket branch road 31, the temperature of cooling liquid is due to the higher exhaust side of the temperature of flowing through simultaneously, temperature raises gradually, when the lower air inlet side of the temperature of flowing through, cooling effect weakens, therefore, can realize and strengthen cooling to the exhaust side of temperature end, weaken cooling to the air inlet side of relative low temperature end simultaneously, weaken the exhaust side of cylinder head and the temperature difference of air inlet side, reduced the thermal stress producing, extended the working life of cylinder cap.
Referring again to Fig. 2, cylinder cover water jacket water outlet 330 is arranged on air inlet side water jacket branch road 33,, and be positioned at the second relative end b of first end a that air inlet side water jacket branch road 33 is interconnected with described exhaust side water jacket branch road 31.Cooling liquid flow through successively exhaust side and air inlet side, then flow out from cylinder cover water jacket water outlet 330.
With reference to Fig. 3, show an embodiment of cylinder head of the present utility model, wherein air inlet side water jacket branch road 33 and exhaust side water jacket branch road 31 integrally casting in the time that casting forms described cylinder head is communicated with, and adopts this structure can reduce the stress that cylinder cover water jacket sidewall produces.
With reference to Fig. 4, show another embodiment of cylinder head of the present utility model, air inlet side water jacket branch road 33 and exhaust side water jacket branch road 31 run through cylinder cap body 1 at first end a place, on cylinder cap body 1, the outside of first end a is provided with the cover cap 35 for sealing first end a, cover cap 35 is removably connected with cylinder cap body 1, for example, be bolted or welding etc.Cover cap 35 forms space 350 at the through part of first end a, and the space 350 that air inlet side water jacket branch road 33 and exhaust side water jacket branch road 31 form by cover cap 35 is communicated with.Adopt this structure can reduce the development difficulty of cylinder cover water jacket mould, technique is convenient, reduces production costs.
The utility model also provides a kind of motor, and described motor also comprises cylinder body water jacket, and the water outlet of described block jacket is connected with described cylinder cover water jacket water intake 310.Wherein, the water outlet of described block jacket and described cylinder cover water jacket water intake 310 coaxially arrange.
By cylinder head of the present utility model, can realize and the exhaust side of temperature end be strengthened cooling, the air inlet side of relative low temperature end be weakened coolingly simultaneously, weaken the exhaust side of cylinder head and the temperature difference of air inlet side, reduce the thermal stress producing, extended the working life of cylinder cap.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiments or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, amendment, replacement and modification to these embodiments, scope of the present utility model is limited by claim and equivalent thereof.
Claims (7)
1. a cylinder head, comprise cylinder head body (1), in described cylinder head body (1), be provided with cylinder cover water jacket, it is characterized in that, described cylinder cover water jacket comprises air inlet side water jacket branch road (33) and exhaust side water jacket branch road (31), described air inlet side water jacket branch road (33) and described exhaust side water jacket branch road (31) are interconnected at first end (a), and described cylinder cover water jacket water intake (310) is located on described exhaust side water jacket branch road (31).
2. cylinder head according to claim 1, it is characterized in that, it is upper that described cylinder cover water jacket water outlet (330) is arranged on described air inlet side water jacket branch road (33), and be positioned at relative the second end (b) of first end (a) that described air inlet side water jacket branch road (33) is interconnected with described exhaust side water jacket branch road (31).
3. cylinder head according to claim 1 and 2, is characterized in that, described air inlet side water jacket branch road (33) and described exhaust side water jacket branch road (31) integrally casting in the time that casting forms described cylinder head is communicated with.
4. cylinder head according to claim 1 and 2, it is characterized in that, described air inlet side water jacket branch road (33) and described exhaust side water jacket branch road (31) locate to run through described cylinder cap body (1) at described first end (a), be provided with the cover cap (35) for sealing described first end (a) in the outside of the above first end of cylinder cap body (1) (a), described air inlet side water jacket branch road (33) and described exhaust side water jacket branch road (31) are communicated with by described cover cap (35).
5. cylinder head according to claim 4, is characterized in that, described cover cap (35) is removably connected with described cylinder cap body (1).
6. a motor, is characterized in that, comprises the cylinder head described in any one in claim 1-5, and described motor also comprises cylinder body water jacket, and the water outlet of described block jacket is connected with described cylinder cover water jacket water intake (310).
7. motor according to claim 6, is characterized in that, the water outlet of described block jacket and described cylinder cover water jacket water intake (310) coaxially arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420010328.7U CN203906106U (en) | 2014-01-07 | 2014-01-07 | Cylinder cover and engine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420010328.7U CN203906106U (en) | 2014-01-07 | 2014-01-07 | Cylinder cover and engine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906106U true CN203906106U (en) | 2014-10-29 |
Family
ID=51780394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420010328.7U Expired - Fee Related CN203906106U (en) | 2014-01-07 | 2014-01-07 | Cylinder cover and engine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906106U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182824A (en) * | 2022-07-13 | 2022-10-14 | 隆鑫通用动力股份有限公司 | Multi-cylinder engine with split water cooling jacket |
-
2014
- 2014-01-07 CN CN201420010328.7U patent/CN203906106U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182824A (en) * | 2022-07-13 | 2022-10-14 | 隆鑫通用动力股份有限公司 | Multi-cylinder engine with split water cooling jacket |
| CN115182824B (en) * | 2022-07-13 | 2024-02-27 | 隆鑫通用动力股份有限公司 | Multi-cylinder engine with split water cooling jacket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180424 Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing treasure Car Co.,Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee after: Beijing baowo Automobile Co.,Ltd. Address before: No. 188, Miyun District, Miyun District, Beijing, Beijing Patentee before: Beijing treasure Car Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cylinder head and engine with the same Effective date of registration: 20211213 Granted publication date: 20141029 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd. Registration number: Y2021990001167 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230925 Granted publication date: 20141029 Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd. Pledgor: Beijing baowo Automobile Co.,Ltd.|Borgward Automotive (China) Co., Ltd. Registration number: Y2021990001167 |
|
| 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: 20141029 |