CN106150744A - A kind of cylinder head and electromotor - Google Patents
A kind of cylinder head and electromotor Download PDFInfo
- Publication number
- CN106150744A CN106150744A CN201610765852.9A CN201610765852A CN106150744A CN 106150744 A CN106150744 A CN 106150744A CN 201610765852 A CN201610765852 A CN 201610765852A CN 106150744 A CN106150744 A CN 106150744A
- Authority
- CN
- China
- Prior art keywords
- cylinder head
- bolt hole
- loss
- head bolt
- hole
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
A kind of cylinder head disclosed in the embodiment of the present invention, including cylinder head body, offering the cylinder head bolt hole for connecting cylinder block on described cylinder head body, the outside in described cylinder head bolt hole is provided with loss of weight breach, and described loss of weight breach does not crosses the inner side in described cylinder head bolt hole.The present invention is behind bolt presses cylinder head bolt hole, axial force can pass to cylinder head gasket along the wall thickness material in cylinder head bolt hole, relative to traditional cylinder head bolt hole, the axle power of the present invention can be delivered to the inner side in cylinder head bolt hole along the wall thickness material in cylinder head bolt hole, i.e. cylinder-bore side, just being cylinder-bore due to need sealing, therefore seal pressure is bigger, more uniformly relative to prior art.Due to the fact that and be provided with loss of weight breach by the way of removing cylinder head bolt hole material outside, the weight of cylinder head can be effectively reduced.The invention also discloses a kind of electromotor.
Description
Technical field
The present invention relates to technical field of engines, more particularly, it relates to a kind of cylinder head and electromotor.
Background technology
Engine weight directly influences the oil consumption of car load, lifting capacity etc., therefore during Modern Engine design, and lightweight
Become an important indicator.Specific to each parts, be all considered as during design can loss of weight, and how loss of weight.
As it is shown in figure 1, electromotor includes cylinder block and head, cylinder head offers cylinder head bolt hole 101, passes through
Cylinder head bolt realizes the fastening of cylinder block and head, to provide pretightning force, prevents cylinder block and head from leaking gas.Existing skill
In art, the heavier-weight of cylinder head, cause the heavier-weight of electromotor.
Therefore, the most effectively reduce cylinder head weight, then reduce engine weight, become those skilled in the art urgently
Solve the technical problem that.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of cylinder head, effectively to reduce cylinder head weight, then reduce
Engine weight;
A kind of electromotor of offer is provided.
For achieving the above object, the present invention provides following technical scheme:
A kind of cylinder head, including cylinder head body, described cylinder head body offers the cylinder for connecting cylinder block
Bonnet bolt hole, the outside in described cylinder head bolt hole is provided with loss of weight breach, and described loss of weight breach does not crosses described cylinder head
The inner side of bolt hole;
The outside in described cylinder head bolt hole is the side near described cylinder head body edges, the described cylinder head bolt hole;
The inner side in described cylinder head bolt hole is the side away from described cylinder head body edges, the described cylinder head bolt hole.
Preferably, in above-mentioned cylinder head, described loss of weight breach extends to described cylinder head bolt hole.
Preferably, in above-mentioned cylinder head, during described loss of weight breach is positioned on the thickness direction of described cylinder head body
Below portion.
Preferably, in above-mentioned cylinder head, on the thickness direction of described cylinder head body, described loss of weight breach is by up to
Under removal material gradually increase.
Preferably, in above-mentioned cylinder head, described loss of weight breach the trimming formed on described cylinder head body is round
Arc.
Preferably, in above-mentioned cylinder head, described loss of weight breach the trimming formed on described cylinder head body is oblique
Straight line.
Preferably, in above-mentioned cylinder head, described cylinder head bolt hole be shoulder hole, the most respectively upper hole and
Bottom hole, described upper hole is processing hole, and described bottom hole is cast blank hole.
Preferably, in above-mentioned cylinder head, described loss of weight breach is positioned at described cast blank hole.
Preferably, in above-mentioned cylinder head, each described cylinder head bolt hole all correspondence has described loss of weight breach.
A kind of electromotor, including cylinder head, described cylinder head is as above cylinder head described in any one.
From above-mentioned technical scheme it can be seen that the cylinder head of present invention offer, arrange in the outside in cylinder head bolt hole
There is loss of weight breach, and loss of weight breach does not crosses the inner side in cylinder head bolt hole.Owing to loss of weight breach does not crosses cylinder head bolt hole
Inner side, thus without the compression affecting bolt.Behind bolt presses cylinder head bolt hole, axial force can be along cylinder head bolt hole
Wall thickness material pass to cylinder head gasket, relative to traditional cylinder head bolt hole, the axle power of the present invention can be along cylinder head
The wall thickness material of bolt hole is delivered to the inner side in cylinder head bolt hole, i.e. cylinder-bore side, is just cylinder due to need sealing
Hole, therefore seal pressure is bigger, more uniformly relative to prior art.Due to the fact that by removing outside cylinder head bolt hole
The mode of material is provided with loss of weight breach, can effectively reduce the weight of cylinder head.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the structural representation in cylinder head bolt hole of the prior art;
The structural representation in the cylinder head bolt hole that Fig. 2 is provided by the embodiment of the present invention;
The upward view in the cylinder head bolt hole that Fig. 3 is provided by the embodiment of the present invention.
Wherein, 101 is cylinder head bolt hole, and 102 is loss of weight breach.
Detailed description of the invention
The core of the present invention is to provide a kind of cylinder head, effectively to reduce cylinder head weight, then reduces electromotor weight
Amount;
Another core of the present invention is to provide a kind of electromotor.
Hereinafter, referring to the drawings embodiment is illustrated.Additionally, embodiments illustrated below is not to described in claim
Summary of the invention play any restriction effect.It addition, the full content of the composition represented by example below is not limited to as right
Necessary to the solution of the invention described in requirement.
Refer to the structural representation in the cylinder head bolt hole that Fig. 2 and Fig. 3, Fig. 2 are provided by the embodiment of the present invention;Fig. 3
Upward view by the cylinder head bolt hole that the embodiment of the present invention is provided.
Cylinder head disclosed in the embodiment of the present invention includes cylinder head body, and cylinder head body offers for connecting cylinder
The cylinder head bolt hole 101 of body, wherein, the outside in cylinder head bolt hole 101 is provided with loss of weight breach 102, and loss of weight breach 102
Do not cross the inner side in cylinder head bolt hole 101, the sections inner side sidewall of retained gas cylinder bolt hole 101, the most not exclusively goes degasification
The inwall cambered surface of cylinder bolt hole 101.The outside in cylinder head bolt hole 101 is that cylinder head bolt hole 101 is near cylinder head body
The side at edge, the inner side in cylinder head bolt hole 101 is the side away from cylinder head body edges, the cylinder head bolt hole 101.
The cylinder head that the present invention provides, is provided with loss of weight breach 102 in the outside in cylinder head bolt hole 101, and loss of weight lacks
Mouth 102 does not crosses the inner side in cylinder head bolt hole 101.Owing to loss of weight breach 102 does not crosses the inner side in cylinder head bolt hole 101,
Thus without the compression affecting bolt.Behind bolt presses cylinder head bolt hole 101, axial force can be along cylinder head bolt hole 101
Wall thickness material pass to cylinder head gasket, relative to traditional cylinder head bolt hole, the axle power of the present invention can be along cylinder head
The wall thickness material of bolt hole 101 is delivered to the inner side in cylinder head bolt hole 101, i.e. cylinder-bore side, owing to needing to seal just
For cylinder-bore, the region at loss of weight breach 102 place is non-effective sealing area, the therefore seal pressure in effective sealing area
Bigger, more uniformly relative to prior art.Due to the fact that and set by the way of removing cylinder head bolt hole 101 material outside
Put loss of weight breach 102, the weight of cylinder head can have been effectively reduced.
In the present invention one specific embodiment, loss of weight breach 102 extends to cylinder head bolt hole 101, i.e. remove cylinder head
The outside wall thickness of bolt hole 101 so that loss of weight breach 102 connects with cylinder head bolt hole 101.It should be noted that loss of weight lacks
Mouth 102 also can not remove the outside wall thickness in cylinder head bolt hole 101 so that loss of weight breach 102 is with cylinder head bolt hole 101 not even
Logical.
In order to reduce owing to reducing the material impact on cylinder head intensity, in the present invention one specific embodiment, loss of weight lacks
Mouth 102 is positioned at below the middle part on the thickness direction of cylinder head body.It should be noted that intensity meet require time, loss of weight
Breach 102 also can be extended to top by the bottom of cylinder head body.
In the present invention one specific embodiment, on the thickness direction of cylinder head body, loss of weight breach 102 is from top to bottom
Remove material gradually to increase.The present invention uses the mode that from top to bottom loss of weight breach 102 is gradually increased, it is possible to ensure axial force
Effectively transmission, it is to avoid produce eccentric force impact and seal.
Specifically, loss of weight breach 102 trimming formed on cylinder head body is circular arc, and trimming refers to cylinder head body
On remove material formed tangent plane profile.The trimming formed on cylinder head body by loss of weight breach 102 is alternatively skew lines.
In the present invention one specific embodiment, cylinder head bolt hole 101 be shoulder hole, the most respectively upper hole and
Bottom hole, upper hole is processing hole, and bottom hole is cast blank hole, and loss of weight breach 102 is preferably located at cast blank hole.Nothing
Need to be processed whole cylinder head bolt hole 101, being arranged such can simplified processing process.
In the present invention one specific embodiment, each cylinder head bolt hole 101 is all to there being loss of weight breach 102.Need
Bright is, it is possible to only have partial cylinders bonnet bolt hole 101 to there being loss of weight breach 102.
Also a kind of electromotor of the embodiment of the present invention, including disclosed cylinder head performed as described above, therefore has above-mentioned cylinder head concurrently
All technique effects, repeat no more herein.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (10)
1. a cylinder head, including cylinder head body, described cylinder head body offers the cylinder head for connecting cylinder block
Bolt hole (101), it is characterised in that the outside of described cylinder head bolt hole (101) is provided with loss of weight breach (102), and described
Loss of weight breach (102) does not crosses the inner side of described cylinder head bolt hole (101);
The outside of described cylinder head bolt hole (101) is that described cylinder head bolt hole (101) is near described cylinder head body edges
Side;
The inner side of described cylinder head bolt hole (101) is that described cylinder head bolt hole (101) is away from described cylinder head body edges
Side.
2. cylinder head as claimed in claim 1, it is characterised in that described loss of weight breach (102) extends to described cylinder head spiral shell
Keyhole (101).
3. cylinder head as claimed in claim 1, it is characterised in that described loss of weight breach (102) is positioned at described cylinder head body
Thickness direction on middle part below.
4. the cylinder head as described in any one of claim 1-3, it is characterised in that in the thickness direction of described cylinder head body
On, described loss of weight breach (102) removal material from top to bottom gradually increases.
5. cylinder head as claimed in claim 4, it is characterised in that by described loss of weight breach (102) at described cylinder head body
The trimming of upper formation is circular arc.
6. cylinder head as claimed in claim 4, it is characterised in that by described loss of weight breach (102) at described cylinder head body
The trimming of upper formation is skew lines.
7. the cylinder head as described in any one of claim 1-6, it is characterised in that described cylinder head bolt hole (101) is ladder
Hole, the most respectively upper hole and bottom hole, described upper hole is processing hole, and described bottom hole is cast blank hole.
8. cylinder head as claimed in claim 7, it is characterised in that described loss of weight breach (102) is positioned at described cast blank hole
Place.
9. the cylinder head as described in any one of claim 1-6, it is characterised in that each described cylinder head bolt hole (101) is equal
Correspondence has described loss of weight breach (102).
10. an electromotor, including cylinder head, it is characterised in that described cylinder head is as described in any one of claim 1-9
Cylinder head.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610765852.9A CN106150744A (en) | 2016-08-30 | 2016-08-30 | A kind of cylinder head and electromotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610765852.9A CN106150744A (en) | 2016-08-30 | 2016-08-30 | A kind of cylinder head and electromotor |
Publications (1)
Publication Number | Publication Date |
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CN106150744A true CN106150744A (en) | 2016-11-23 |
Family
ID=57345325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610765852.9A Pending CN106150744A (en) | 2016-08-30 | 2016-08-30 | A kind of cylinder head and electromotor |
Country Status (1)
Country | Link |
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CN (1) | CN106150744A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1042969A (en) * | 1987-01-15 | 1990-06-13 | 大发工业株式会社 | Connecting unit for cooling water conduit of cylinder head |
JPH11247710A (en) * | 1998-02-27 | 1999-09-14 | Isuzu Motors Ltd | Cylinder head structure |
CN1633553A (en) * | 2002-02-20 | 2005-06-29 | 雅马哈发动机株式会社 | Engine fastening structure |
CN2835579Y (en) * | 2005-11-13 | 2006-11-08 | 潍柴动力股份有限公司 | Oil sump holder for diesel engine |
CN103352766A (en) * | 2013-08-06 | 2013-10-16 | 中国嘉陵工业股份有限公司(集团) | Motorcycle engine cylinder fastening structure |
CN104421035A (en) * | 2013-08-23 | 2015-03-18 | 沈阳航天三菱汽车发动机制造有限公司 | Cylinder body and cylinder cover connecting structure of automobile engine |
-
2016
- 2016-08-30 CN CN201610765852.9A patent/CN106150744A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1042969A (en) * | 1987-01-15 | 1990-06-13 | 大发工业株式会社 | Connecting unit for cooling water conduit of cylinder head |
JPH11247710A (en) * | 1998-02-27 | 1999-09-14 | Isuzu Motors Ltd | Cylinder head structure |
CN1633553A (en) * | 2002-02-20 | 2005-06-29 | 雅马哈发动机株式会社 | Engine fastening structure |
CN2835579Y (en) * | 2005-11-13 | 2006-11-08 | 潍柴动力股份有限公司 | Oil sump holder for diesel engine |
CN103352766A (en) * | 2013-08-06 | 2013-10-16 | 中国嘉陵工业股份有限公司(集团) | Motorcycle engine cylinder fastening structure |
CN104421035A (en) * | 2013-08-23 | 2015-03-18 | 沈阳航天三菱汽车发动机制造有限公司 | Cylinder body and cylinder cover connecting structure of automobile engine |
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Application publication date: 20161123 |