CN204239080U - A kind of cylinder head of motorcycle - Google Patents
A kind of cylinder head of motorcycle Download PDFInfo
- Publication number
- CN204239080U CN204239080U CN201420619506.6U CN201420619506U CN204239080U CN 204239080 U CN204239080 U CN 204239080U CN 201420619506 U CN201420619506 U CN 201420619506U CN 204239080 U CN204239080 U CN 204239080U
- Authority
- CN
- China
- Prior art keywords
- control valve
- valve
- cylinder head
- air inlet
- cavity
- 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
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 239000002912 waste gas Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000010304 firing Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 26
- 238000005457 optimization Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model relates to cylinder head of motorcycle, comprises cylinder head body, and cylinder head body is provided with secondary air inlet valve base, and secondary air inlet valve base and cylinder head body are structure as a whole; In secondary air inlet valve base, there is secondary-air passage, in secondary-air passage, be provided with secondary air inlet control valve and unidirectional stop valve; The control valve valve rod that secondary air inlet control valve comprises control valve valve body and sets within it, control valve valve body has air-inlet cavity and negative cavity, air-inlet cavity and negative cavity are respectively equipped with air inlet and negative pressure mouth, air-inlet cavity and negative cavity interior control valve valve block and control valve diaphragm respectively, the control valve valve rod between control valve valve block and control valve diaphragm is set with control valve stage clip.The Integral design of secondary air inlet valve base and cylinder head makes the installation on the engine of secondary air inlet control valve and associated pipe very simple; Not clean-burning waste gas carries out secondary combustion in the relief opening of cylinder head, improves the rate of combustion of the firing chamber energy, reaches environmental protection and energy-conservation effect.
Description
Technical field
The utility model relates to motorcycle Component, specifically refers to cylinder head of motorcycle.
Background technique
Gas is non-Thorough combustion in motorcycle engine cylinder, containing C0 in the mixed gas of discharging, N0, the compounds such as HC, direct discharge can cause environmental pollution, therefore, in order to reduce the pollution of motorcycle engine exhaust emissions, some motors are provided with secondary air inlet valve, unburned mixed gas is introduced in cylinder again.But the control valve valve body of existing secondary air inlet valve and cylinder head are apportions to be arranged, and apportion is arranged so that motorcycle engine complex structure, causes the installation of secondary air inlet valve and associated pipe very inconvenient simultaneously.
Model utility content
For the problems referred to above that prior art exists, the purpose of this utility model is: provide a kind of structure simple, easy for installation, and can effectively reduce the cylinder head of motorcycle of motorcycle exhaust exhaust emission.
For achieving the above object, the utility model adopts following technological scheme: a kind of cylinder head of motorcycle, comprise aluminium alloy cylinder head body, it is characterized in that: cylinder head body is provided with secondary air inlet valve base, described secondary air inlet valve base and cylinder head body are structure as a whole; In described secondary air inlet valve base, there is secondary-air passage, in described secondary-air passage, be provided with secondary air inlet control valve and unidirectional stop valve; Described secondary air inlet control valve comprises control valve valve body and is arranged on the control valve valve rod in control valve valve body, described control valve valve body comprises Intake Cover and negative pressure lid, described Intake Cover has air-inlet cavity, negative pressure covers to be had, described air-inlet cavity is provided with air inlet, in air-inlet cavity, is provided with control valve valve block; Described negative cavity is provided with negative pressure mouth, is provided with control valve diaphragm in negative cavity; Described control valve valve block and control valve diaphragm are arranged on the two ends of control valve valve rod; Control valve valve rod between described control valve valve block and control valve diaphragm is set with control valve stage clip.
As optimization, described negative pressure lid comprises fixing part and air guide portion, described fixing part is provided with the groove as negative cavity, described air guide portion is fixed on the right side of fixing part, portion has gas port in air guide, and described gas port comprises the first gas port and the second gas port, and wherein the first gas port communicates with the bottom of negative cavity, be provided with cushion hole between first gas port and the second gas port, described negative cavity, the first gas port, cushion hole and the second gas port communicate.
As optimization, between described control valve valve block and control valve valve interior wall, be provided with seal ring.
Relative to prior art, the utility model tool has the following advantages: secondary air inlet valve base and cylinder head are one, makes the installation on the engine of secondary air inlet control valve and associated pipe fixing very simple.The gasoline gas that secondary air inlet control valve can control air that secondary enters and negative tube enters; And not clean-burning waste gas can be made in the relief opening of cylinder head to carry out secondary combustion, thus reduce waste gas pollution on the environment, improve the rate of combustion of the firing chamber energy, reach environmental protection and energy-conservation effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of cylinder head of motorcycle.
Fig. 2 is the structural representation of secondary air inlet control valve.
In figure, cylinder head body 10, secondary air inlet valve base 20, secondary air inlet control valve 30, control valve valve body 31, air-inlet cavity 32, control valve valve block 32-1, negative cavity 33, control valve diaphragm 33-1, control valve valve rod 34, control valve stage clip 35, fixing part 36, air guide portion 37, first gas port 37-1, the second gas port 37-2, cushion hole 37-3.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1 and Fig. 2, a kind of cylinder head of motorcycle, comprise aluminium alloy cylinder head body, cylinder head body is provided with secondary air inlet valve base, secondary air inlet valve base and cylinder head body are structure as a whole, and make the installation on the engine of secondary air inlet control valve and associated pipe fixing very simple; In secondary air inlet valve base, there is secondary-air passage, secondary air inlet control valve and unidirectional stop valve is provided with in secondary-air passage, the end of secondary-air passage is air outlet, air outlet is communicated with engine cylinder head by steam outlet pipe, and the setting of unidirectional stop valve can prevent the waste gas of cylinder head relief opening from flowing backwards under exhaust pressure at short notice and enter secondary-air passage.
Secondary air inlet control valve comprises control valve valve body, control valve valve body comprises Intake Cover and negative pressure lid, described Intake Cover has air-inlet cavity, negative pressure covers has negative cavity, air-inlet cavity is provided with air inlet, air inlet is communicated with air filter by suction tude, is provided with control valve valve block in air-inlet cavity; Negative cavity is provided with negative pressure mouth, and negative pressure mouth is communicated with the engine air inlet tube on cylinder head by negative tube, is provided with control valve diaphragm in negative cavity; Control valve valve block and control valve diaphragm are arranged on the two ends of control valve valve rod; Control valve valve rod between control valve valve block and control valve diaphragm is set with control valve stage clip.The mixed steam oil gas that secondary air inlet control valve can control air that secondary enters and negative tube enters; not clean-burning waste gas is made to carry out secondary combustion in the relief opening of cylinder head; thus reduce waste gas pollution on the environment, reach protection of the environment and energy-conservation effect.
Negative pressure lid comprises fixing part and air guide portion, and fixing part is provided with the groove as negative cavity; Air guide portion is fixed on the right side of fixing part (particularly, air guide portion is fixed on the right lower side of fixing part), portion has gas port in air guide, gas port communicates with the bottom of negative cavity, gasoline is not easily overstock in the bottom of such negative cavity, gasoline can flow back to Carburetor from air guide portion, does not have impact to the aging quality of shut-off valve assemblies control valve diaphragm rubber and acting characteristic, improves the working life of air valve.Further, gas port comprises the first gas port and the second gas port, and wherein the first gas port communicates with the bottom of negative cavity, is provided with cushion hole between the first gas port and the second gas port, and negative cavity, the first gas port, cushion hole and the second gas port communicate.Negative pressure mouth is arranged on the end in air guide portion.
In order to improve the sealability of control valve valve block, seal ring can also be set between control valve valve block and control valve valve interior wall.Seal ring preferably adopts has flexible rubber seal.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (3)
1. a cylinder head of motorcycle, comprises aluminium alloy cylinder head body, it is characterized in that: cylinder head body is provided with secondary air inlet valve base, and described secondary air inlet valve base and cylinder head body are structure as a whole;
In described secondary air inlet valve base, there is secondary-air passage, in described secondary-air passage, be provided with secondary air inlet control valve and unidirectional stop valve;
Described secondary air inlet control valve comprises control valve valve body and is arranged on the control valve valve rod in control valve valve body, described control valve valve body comprises Intake Cover and negative pressure lid, described Intake Cover has air-inlet cavity, negative pressure covers has negative cavity, described air-inlet cavity is provided with air inlet, in air-inlet cavity, is provided with control valve valve block; Described negative cavity is provided with negative pressure mouth, is provided with control valve diaphragm in negative cavity; Described control valve valve block and control valve diaphragm are arranged on the two ends of control valve valve rod; Control valve valve rod between described control valve valve block and control valve diaphragm is set with control valve stage clip.
2. cylinder head of motorcycle as claimed in claim 1, is characterized in that: described negative pressure lid comprises fixing part and air guide portion, and described fixing part is provided with the groove as negative cavity;
Described air guide portion is fixed on the right side of fixing part, portion has gas port in air guide, described gas port comprises the first gas port and the second gas port, wherein the first gas port communicates with the bottom of negative cavity, be provided with cushion hole between first gas port and the second gas port, described negative cavity, the first gas port, cushion hole and the second gas port communicate.
3. cylinder head of motorcycle as claimed in claim 1, is characterized in that: be provided with seal ring between described control valve valve block and control valve valve interior wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420619506.6U CN204239080U (en) | 2014-10-24 | 2014-10-24 | A kind of cylinder head of motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420619506.6U CN204239080U (en) | 2014-10-24 | 2014-10-24 | A kind of cylinder head of motorcycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204239080U true CN204239080U (en) | 2015-04-01 |
Family
ID=52768591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420619506.6U Expired - Fee Related CN204239080U (en) | 2014-10-24 | 2014-10-24 | A kind of cylinder head of motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204239080U (en) |
-
2014
- 2014-10-24 CN CN201420619506.6U patent/CN204239080U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20151024 |
|
| EXPY | Termination of patent right or utility model |