CN104074640B - Gasifier - Google Patents
Gasifier Download PDFInfo
- Publication number
- CN104074640B CN104074640B CN201410116272.8A CN201410116272A CN104074640B CN 104074640 B CN104074640 B CN 104074640B CN 201410116272 A CN201410116272 A CN 201410116272A CN 104074640 B CN104074640 B CN 104074640B
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- China
- Prior art keywords
- air throttle
- pin
- gasifier
- valve cylinder
- error
- 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.)
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Lift Valve (AREA)
Abstract
The present invention provides a kind of gasifier.The gasifier of the present invention has：Air throttle, it is set with being reciprocally moveable in valve cylinder, and formed with the slit upwardly extended in the side of moving back and forth；Guiding pin, it is fixed on the valve cylinder, and is inserted in the slit to guide the air throttle；Anti-error assembling pin, it is fixed on the valve cylinder, and the position relationship of the valve cylinder and the air throttle is provided in assembling.The guiding pin and the anti-error assembling pin are formed by the material harder than the air throttle.The anti-error assembling pin deviates configuration relative to the guiding pin to the direction that moves back and forth of the air throttle, and is independently arranged on the position that moves back and forth of the air throttle and inserts the position of the slit.
Description
Technical field
The present invention relates to gasifier.
Background technology
The gasifier for the premixed gas that generation supplies to engine is provided with two-wheeled grade.
For example, in the gasifier of piston valve type, such as patent document 1（Japanese Unexamined Patent Publication 2011-33010 publications）It is shown
Ground, valve cylinder is installed in a projecting manner in the air inlet main body provided with air inlet path, reciprocally moved using in the inside of the valve cylinder
The air throttle set dynamicly adjusts the opening ratios of air inlet path, so as to adjusting the growing amount of premixed gas.
But in the gasifier of piston valve type, from moving back and forth in terms of direction, it is necessary to suppress rotation of the air throttle in valve cylinder
Turn.In other words, it is necessary to prevent air throttle from being rotated centered on its axial line.For example, as Patent Document 1, in piston valve
In the gasifier of type, there is the idle speed adjustment bolt for the position for being used to provide air throttle when engine is in idling mode,
When air throttle is put positioned at lowermost position, the idle speed adjustment bolt contacts with the bottom of air throttle.In the bottom of air throttle（That is, idling
The position of regulating bolt contact）Formed with inclined-plane.In order that idle speed adjustment bolt contacts the inclined-plane, it is necessary to suppress solar term exactly
Valve is in valve cylinder internal rotation.
Therefore, in the gasifier of existing piston valve type, form what is upwardly extended in the side of moving back and forth on air throttle
Slit, by the way that the guiding pin insertion slit for being fixed on valve cylinder is suppressed into the rotation of air throttle.
But in the case where having used metal guiding pin, when air throttle will rotate and encounter guiding pin, relatively
Indenture is produced in air throttle.Therefore, when air throttle moves, indenture and guiding sell interference and occupant can be brought in operation
Sense of discomfort.
In addition, the gasifier of piston valve type has the anti-error assembling for air throttle to be inserted to valve cylinder exactly in assembling
Pin.The anti-error assembling pin is installed in a manner of prominent to valve cylinder inside, from the air throttle and valve cylinder for moving back and forth direction and seeing
Position relationship when deviateing original position, limit intrusion of the air throttle to valve cylinder.Although such anti-error assembling pin is completed
Gasifier on it is also remaining, but it is desirable to when being also not only served only for assembling, can effectively apply flexibly part.
The content of the invention
The present invention is set up in view of the above problems, it is intended that in the gasifier of piston valve type, by having
Indenture of the anti-error assembling pin to prevent to air throttle is applied flexibly to effect, and prevents operational sense of discomfort.
The present invention in the following ways, with that solves the above problems
The gasifier of first aspect present invention, including：Air throttle, it is set with being reciprocally moveable in valve cylinder, and shape
Into there is the slit that is upwardly extended in the side of moving back and forth；Guiding pin, it is fixed on the valve cylinder, and inserts the slit to draw
Lead the air throttle；Anti-error assembling pin, it is fixed on the valve cylinder, and provides the valve cylinder and the solar term in assembling
The position relationship of valve, the guiding pin and the anti-error assembling pin are formed by the material harder than the air throttle, described anti-error group
Dress pin it is described guiding pin on to the air throttle move back and forth direction deviate configuration, and with the reciprocal shifting of the air throttle
Dynamic position is independently arranged on the position for inserting the slit.
The gasifier of second aspect of the present invention, on the basis of above-mentioned first aspect, the anti-error assembling pin utilizes and institute
The component for stating guiding pin same shape and identical material is formed.
The gasifier of third aspect present invention, on the basis of above-mentioned first or second aspect, it is described guiding pin and it is described
Anti-error assembling pin is formed by stainless steel.
According to the present invention, guiding pin and anti-error assembling pin are formed by the material harder than air throttle.Therefore, it is possible to prevent from guiding
Pin and anti-error assembling pin are due to the situation slided and worn with air throttle.
In addition, according to the present invention, anti-error assembling pin moves back and forth position independently with air throttle, is arranged on insertion solar term
The position of the slit of valve.Therefore, when air throttle is intended in valve cylinder internal rotation, the movement of air throttle is directed pin and anti-error assembling pin
The two is limited.Therefore, compared with the situation of movement of limitation air throttle is only sold by guiding, the impulsive force of air throttle is acted locally on
Maximum diminish, can prevent air throttle produce indenture.
So, according to the present invention, in the gasifier of piston valve type, sold by effectively applying flexibly anti-error assembling, Neng Goufang
Only to the indenture of air throttle, thereby, it is possible to prevent the generation of operational sense of discomfort.
Brief description of the drawings
Fig. 1 is by the stereogram of a part of cutting of the gasifier of an embodiment of the present invention；
Fig. 2 is the enlarged elevation figure based on the gasifier possessed valve portion with an embodiment of the present invention；
Fig. 3 is that the gasifier possessed air throttle, back-moving spring, guiding for only representing an embodiment of the present invention are sold, are anti-
The amplification stereogram of assembling pin and idle speed adjustment bolt by mistake；
Fig. 4 is that the gasifier possessed guiding pin comprising an embodiment of the present invention and the anti-error amplification for assembling pin are decomposed
Figure.
Embodiment
Hereinafter, an embodiment of the gasifier of the present invention is illustrated referring to the drawings.In addition, in following accompanying drawing
In, in order to which each part is formed as into recognizable size, suitably change the engineer's scale of each part.
Fig. 1 is by the stereogram of a part of cutting of the gasifier 1 of present embodiment.In addition, Fig. 2 is with present embodiment
The possessed of gasifier 1 valve portion 4 described later based on enlarged elevation figure.In addition, in Fig. 1, to reset bullet described later
Spring 4e and lid 4d omit diagram.
The gasifier 1 of present embodiment has air inlet main body 2, float portion 3, valve portion 4, mouth 5 and idle speed adjustment bolt
6.In addition, the gasifier 1 of present embodiment is the gasifier of so-called piston valve type.
Air inlet main body 2 is the internal cylindric position with air inlet path 2a, is opened in the horizontal direction as illustrated in fig. 1
Mouthful.One in these openings be air inlet for air to be taken into air inlet path 2a, and another is for will be in air inlet path 2a
Inside generation premixed gas discharge outlet.Float portion 3 is arranged on the lower section of air inlet main body 2, temporarily stores from outside
Fuel tank supply fuel.The float portion 3 with when valve portion 4 opens by a part for the fuel of storage to air inlet path 2a supply
Mode be connected with air inlet path 2a.
Valve portion 4 has valve cylinder 4a, air throttle 4b, needle-valve 4c, lid 4d, back-moving spring 4e, guiding pin 4f and anti-error assembling
Sell 4g.Valve cylinder 4a is arranged on the side face of air inlet main body 2, is set in a manner of the radial direction to air inlet main body 2 is protruding outside.
Valve cylinder 4a forms hollow drum, and inside is connected with air inlet path 2a.
Air throttle 4b is the part of bottomed cylindrical, can be stored in valve cylinder 4a in the state that above-below direction moves back and forth
In valve cylinder 4a inside.Fig. 3 is only to represent that air throttle 4b, back-moving spring 4e, guiding pin 4f, anti-error assembling pin 4g and idling are adjusted
Save the amplification stereogram of bolt 6.As shown in the drawing, in air throttle 4b formed with being extended to from air throttle 4b lower end near upper end
Slit 4b1.Slit 4b1 is extended in moving back and forth for air throttle 4b on direction as illustrated in fig. 3.Formed with the slit
4b1 air throttle 4b with guide pin 4f leading section and anti-error assembling sell 4g leading section insertion slit 4b1 state upper and lower
Direction moves back and forth.In addition, as shown in Fig. 2 in air throttle 4b bottom（In detail, the bottom of the opposite sides of slit 4b1）It is provided with
Elevated inclined-plane 4b2 on the outside of towards air throttle 4b radial direction.When air throttle 4b is in extreme lower position, idle speed adjustment bolt
6 front end contacts with inclined-plane 4b2.Such air throttle 4b is formed by aluminium alloy in the present embodiment.
As illustrated in fig. 2, needle-valve 4c is arranged on air throttle 4b bottom, is provided projectingly downward.Needle-valve 4c has
The shape that front end slightly attenuates, and it is inserted into the mouth 5 for connecting air inlet path 2a with the inside of float portion 3.Needle-valve 4c with
Air throttle 4b is together moved in the vertical direction.When needle-valve 4c is moved upward, because needle-valve 4c is the thin shape in front end, therefore
And the opening ratios increase of mouth 5.As a result, increase to the fuel quantity that air inlet path 2a is supplied.On the other hand, it is downward in needle-valve 4c
During Fang Yidong, the opening ratios of mouth 5 are reduced.As a result, reduced to the fuel quantity that air inlet path 2a is supplied.
4d is covered to be arranged on valve cylinder 4a in a manner of covering valve cylinder 4a upper ends.Opening is provided with lid 4d central portion.Via
Lid 4d opening is inserted into the operation lines inside valve cylinder 4a（Omit diagram）It is connected with air throttle 4b bottom.By making the behaviour
Make line up and down action, air throttle 4b is moved back and forth up and down.Back-moving spring 4e is arranged between lid 4d and air throttle 4b, relative to
Air throttle 4b applies pressing force in downward direction.
Fig. 4 is the amplification decomposition figure comprising guiding pin 4f and anti-error assembling pin 4g.As shown in the drawing, guiding pin 4f is to pass through
It is pressed into and is fixed in the through hole 4a1 that the valve cylinder 4a position relative with slit 4b1 is set relative to valve cylinder 4a cylindric
Part.The guiding pin 4f and air throttle 4b's moves back and forth position independently, and setting always will guide the leading section for selling 4f to insert
Enter slit 4b1 height, the air throttle 4b moved back and forth is guided.
As shown in figure 4, anti-error assembling pin 4g is to be pressed into the upper square of the through hole 4a1 for guiding pin 4f by being pressed into
Into through hole 4a2 so as to relative to valve cylinder 4a fix cylindric part.The anti-error assembling pin 4g sells 4f top to guiding
（Move back and forth direction）Deviate configuration.The anti-error assembling pin 4g is in the assembling of gasifier 1, from the air throttle 4b side of moving back and forth
To observation, when being intended to so that air throttle 4b is rotated in 180 ° of state insertion valve cylinder 4a, contacted with air throttle 4b inclined-plane 4b2, and
And configure in air throttle 4b upper end without falling into the height in valve cylinder 4a.That is, in the assembling of gasifier 1, anti-error assembling pin
4g plays a part of regulation valve cylinder 4a and air throttle 4b position relationship.In addition, the anti-error assembling pin 4g is same with guiding pin 4f
Ground, position is moved back and forth independently with air throttle 4b, configure and insert slit 4b1 in the leading section that anti-error assembling is always sold to 4g
Height.
These guiding pin 4f and anti-error assembling pin 4g are formed by same shape and same material.As guiding as formation
4f and anti-error assembling pin 4g material are sold, the material than forming air throttle 4b can be used（It is aluminium alloy in the present embodiment）
Hard material, such as stainless steel.As stainless steel, such as SUS-MX7 or SUS-303 etc. can be used.
Mouth 5 is connects the inside of float portion 3 with air inlet path 2a, for would be stored at the fuel of float portion 3 to air inlet
The stream of road 2a supplies.Idle speed adjustment bolt 6 is screwed up in valve cylinder 4a in a manner of being penetrated from valve cylinder 4a outside to inner side.That is,
The front end of idle speed adjustment bolt 6 is located at valve cylinder 4a inside., can be along level side by rotating the idle speed adjustment bolt 6
Front position to regulation with the air throttle 4b inclined-plane 4b2 idle speed adjustment bolts 6 contacted.By adjusting the idle speed adjustment bolt
6 front position is, it is specified that air throttle 4b extreme lower position.
In the gasifier 1 of the present embodiment with such composition, if air throttle 4b rises, air inlet path 2a's opens
The increase of mouth ratio and the opening ratios increase of mouth 5.As a result, generate substantial amounts of premixed gas and discharged from gasifier 1.
On the other hand, if air throttle 4b declines, air inlet path 2a opening ratios are reduced and the opening ratios of mouth 5 subtract
It is few.As a result, generate minimal premixed gas and discharged from gasifier 1.
In the gasifier 1 of present embodiment, when air throttle 4b is moved back and forth in the vertical direction, guiding pin 4f is maintained
Leading section and anti-error assembling pin 4g the state always inserted in air throttle 4b slit 4b1 of leading section.
According to the gasifier 1 of such present embodiment, guiding pin 4f and anti-error assembling pin 4g are by harder than air throttle 4b
Material is formed.Therefore, it is possible to prevent guiding pin 4f and anti-error assembling pin 4g due to the situation slided and worn with air throttle 4b.Separately
Outside, air throttle 4b is formed by aluminium alloy, and guiding pin 4f and anti-error assembling pin 4g are formed by SUS-XM7 or SUS-303, so as to
Enough prevent guiding pin 4f and anti-error assembling pin 4g from being worn due to being slided with air throttle 4b.
It is in addition, unrelated with air throttle 4b reciprocating action position according to the gasifier 1 of present embodiment, anti-error assembling pin 4g
Ground, the position being arranged in insertion air throttle 4b slit 4b1.Therefore, when air throttle 4b is intended in valve cylinder 4a internal rotations, solar term
Valve 4b movement is directed pin 4f and anti-error assembling pin 4g both sides' limitation.Therefore, with only limit air throttle 4b's by guiding pin 4f
Mobile situation is compared, and the maximum for acting locally on air throttle 4b impulsive force reduces, and can prevent from producing in air throttle 4b
The situation of indenture.
So, it is anti-error by effectively applying flexibly in the gasifier of piston valve type according to the gasifier 1 of present embodiment
Assembling pin 4g, can prevent the indenture to air throttle 4b, thereby, it is possible to prevent the generation of operational sense of discomfort.
In addition, according to the gasifier 1 of present embodiment, guiding pin 4f and anti-error assembling pin 4g are by same shape and same material
Material is formed.Therefore, it is possible to as guiding pin 4f and anti-error assembling pin 4g, can be cut down by a part manufacturing cost of part with
And management cost.Further, since guiding pin 4f and anti-error assembling pin 4g shape are identical, so be intended in air throttle 4b in valve cylinder 4a
During internal rotation, guiding pin 4f and anti-error assembling pin both 4g reliably contact with air throttle 4b.Therefore, it is possible to more reliably subtract
The maximum of the small impulsive force for acting locally on air throttle 4b.
More than, the preferred embodiment of the present invention is illustrated referring to the drawings, but the invention is not restricted to above-mentioned implementation
Mode.All shapes of shown each component parts and combination etc. are one in the above-described embodiment, are not departing from ancestor of the present invention
Design requirement etc. can be based in the range of purport and carries out various changes.The present invention is defined not by the preceding illustrative descriptions, only by claim
Scope limit.
For example, in the above-described embodiment, guiding pin 4f and anti-error assembling pin 4g are employed by same shape and same material
Expect the composition formed.But the invention is not restricted to this, such as guiding pin 4f can be also formed by SUS-XM7, by SUS-303
Form anti-error assembling pin 4g.Alternatively, it is also possible to which either one for selling 4f or anti-error assembling pins 4g will be guided to be formed as the zero of flat column
Part.
The Patent 2013-064473 CLAIM OF PRIORITYs that the application is filed an application based on March 26th, 2013 in Japan,
It is hereby incorporated its content.
Claims (3)
1. a kind of gasifier, including：
Air throttle, it is set with being reciprocally moveable in valve cylinder, and formed with the slit upwardly extended in the side of moving back and forth；
The gasifier is characterised by, in addition to：
Guiding pin, it is fixed on the valve cylinder, and inserts the slit to guide the air throttle；
Anti-error assembling pin, it is fixed on the valve cylinder, and the position of the valve cylinder and the air throttle is provided in assembling
Relation,
The guiding pin and the anti-error assembling pin are formed by the material harder than the air throttle,
It is described it is anti-error assembling pin it is described guiding pin on to the air throttle move back and forth direction deviate configuration, and with it is described
The position that moves back and forth of air throttle is independently arranged on the position for inserting the slit.
2. gasifier as claimed in claim 1, it is characterised in that
The anti-error assembling pin is formed using the component with the guiding pin same shape and identical material.
3. gasifier as claimed in claim 1 or 2, it is characterised in that
The guiding pin and the anti-error assembling pin are formed by stainless steel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-064473 | 2013-03-26 | ||
| JP2013064473A JP2014190184A (en) | 2013-03-26 | 2013-03-26 | Carburetor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104074640A CN104074640A (en) | 2014-10-01 |
| CN104074640B true CN104074640B (en) | 2017-12-12 |
Family
ID=51596189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410116272.8A Expired - Fee Related CN104074640B (en) | 2013-03-26 | 2014-03-26 | Gasifier |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2014190184A (en) |
| CN (1) | CN104074640B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1172209A (en) * | 1996-07-17 | 1998-02-04 | 本田技研工业株式会社 | Starting fuel regulator for carburetor |
| CN1178290A (en) * | 1996-07-17 | 1998-04-08 | 本田技研工业株式会社 | Ignition fuel regulator of carburettor |
| CN1393636A (en) * | 2001-06-26 | 2003-01-29 | 株式会社京浜 | Starter for gasifier |
| CN1461879A (en) * | 2002-05-31 | 2003-12-17 | 本田技研工业株式会社 | Carburettor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011033010A (en) * | 2009-08-06 | 2011-02-17 | Keihin Corp | Carburetor |
-
2013
- 2013-03-26 JP JP2013064473A patent/JP2014190184A/en active Pending
-
2014
- 2014-03-26 CN CN201410116272.8A patent/CN104074640B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1172209A (en) * | 1996-07-17 | 1998-02-04 | 本田技研工业株式会社 | Starting fuel regulator for carburetor |
| CN1178290A (en) * | 1996-07-17 | 1998-04-08 | 本田技研工业株式会社 | Ignition fuel regulator of carburettor |
| CN1393636A (en) * | 2001-06-26 | 2003-01-29 | 株式会社京浜 | Starter for gasifier |
| CN1461879A (en) * | 2002-05-31 | 2003-12-17 | 本田技研工业株式会社 | Carburettor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104074640A (en) | 2014-10-01 |
| JP2014190184A (en) | 2014-10-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20200326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |