CN206071729U - Engine air control shutter valve body, air throttle and internal combustion engine - Google Patents
Engine air control shutter valve body, air throttle and internal combustion engine Download PDFInfo
- Publication number
- CN206071729U CN206071729U CN201620971489.1U CN201620971489U CN206071729U CN 206071729 U CN206071729 U CN 206071729U CN 201620971489 U CN201620971489 U CN 201620971489U CN 206071729 U CN206071729 U CN 206071729U
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- air
- throttle
- valve block
- valve body
- throttle valve
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- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The utility model discloses a kind of engine air control shutter valve body, air throttle and internal combustion engine, wherein engine air control shutter valve body is provided with air intake duct, it is provided with throttle seat that is corresponding with air throttle valve block and forming air inlet aditus laryngis in the air intake duct, the air inlet aditus laryngis for coordinating and reduce in air throttle valve block opening process the rate of change that air inflow increases with air throttle valve block；By arranging throttle seat in the air intake duct of throttle valve body, it is less with the change that throttle changes in the air inlet net sectional area of throttle small guide vane subject throttle, precise control when realizing that throttle small guide vane changes to internal combustion engine air inflow, make car load dynamic property under little throttle operation not produce mutation, directly improve the driving of car load.
Description
Technical field
This utility model is related to internal combustion engine component and internal combustion engine, and in particular to a kind of engine air control shutter valve body, air throttle
And internal combustion engine.
Background technology
Air throttle is to control a how many valve of internal combustion engine air-breathing, including a circular steel disc, and there is an axle centre
And connect with acceleration cable, and by acceleration cable control；In prior art, using straight more than engine air control shutter valve body structural texture
Tubular type, during this kind of result cannot meet, the precise control of huge discharge single-cylinder engine air inflow when changing to throttle small guide vane will
Ask；The change of air-intake of combustion engine amount directly affects the performance output of internal combustion engine, therefore, this kind of structure is easily caused single cylinder huge discharge and rubs
Motorcycle occurs the mutation of dynamic property in the case of throttle small guide vane, directly affects the driving of car load.
Therefore, it is to solve problem above, needs a kind of engine air control shutter structure, the air inlet of internal combustion engine can be prevented effectively from
There is larger increase and decrease and then causes single cylinder huge discharge internal combustion engine dynamic property when little throttle changes to be dashed forward when little throttle changes in amount
Become, it is ensured that the throttle of internal combustion engine precise control air inflow under small guide vane, car load dynamic property under little throttle operation is not produced
Mutation, improves the driving performance of car load.
Utility model content
In view of this, the purpose of this utility model is to overcome defect of the prior art, there is provided a kind of engine air control shutter
There is larger increase and decrease and enter when little throttle changes in valve body, air throttle and internal combustion engine, the air inflow that can be prevented effectively from internal combustion engine
And causing the dynamic property mutation when little throttle changes of single cylinder huge discharge internal combustion engine, it is ensured that the throttle of internal combustion engine is accurate under small guide vane
Control air inflow, makes car load dynamic property under little throttle operation not produce mutation, improves the driving performance of car load.
Throttle valve body of the present utility model；Valve body is provided with air intake duct, is provided with corresponding with air throttle valve block in air intake duct
And forming the throttle seat of air inlet aditus laryngis, air inlet aditus laryngis is for coordinating with air throttle valve block and subtract in air throttle valve block opening process
The rate of change that little air inflow increases, reduces the rate of change in effective admission section, makes effective admission section increase the increase with aperture
Shi Bianhua slows down, during air throttle valve block is opened, to the accurate of internal combustion engine air inflow when realizing that throttle small guide vane changes
Control, makes car load dynamic property under little throttle operation not produce mutation, directly improves the driving of car load.
Further, the base inner surface that throttles surrounds air inlet aditus laryngis, and during the base inner surface that throttles is opened and closed with air throttle valve block
The track plane that edge is inswept coordinates for reducing air inflow rate of change；The inswept track plane in edge during the opening and closing of air throttle valve block
For spherical calotte, the inner surface of throttle seat be it is outer cover in taper surface or cambered surface of the spherical calotte etc., effectively can slow down into
Tolerance increment, adjusts air inflow rate of change by the inner surface of throttle seat, adjusts efficiency and control accuracy is high.
Further, in the longitudinal cross-section of throttle seat, inner surface is along air intake duct radial direction in air throttle valve block opening direction
Outside recessed curve；Outer recessed curve causes throttle seat first thinning rear thickening along the effective thickness of air throttle valve block opening direction,
So that effective radius rate of change when outer recessed curve is opened with air throttle valve block (effective radius rate of change when starting it is less then
Become larger) it is adapted, the effective radius of air throttle valve block refers to air throttle valve block and is projected on the ellipse of formation vertically
Distance of the marginal point to major semiaxis；The effect that the rate of change that control air inflow increases slows down becomes apparent from so that in control air throttle
It is submissiveer in the air inflow rate of change control of small guide vane.
Further, curve is camber line, and the axial length and air throttle of the camber line 5 in each longitudinal cross-section of throttle seat
The track that the corresponding point in valve block edge is opened is adapted；When air throttle valve block is closed, edge diametrically with camber line
Proximal end is just right；Due to the different (sides of close air throttle valve block rotating shaft in track that the corresponding point in air throttle valve block edge is opened
The corresponding point of edge rotate equal angular when its track relative to the corresponding point in edge away from air throttle valve block rotating shaft vertically
Length it is relatively short), air throttle is disposed proximate to by the axial length of the camber line in each longitudinal cross-section by throttle seat
The camber line of valve block rotating shaft is shorter, longer away from the camber line of air throttle valve block rotating shaft, it is ensured that air throttle valve block is effectively flowed in action
Logical sectional area produces Significant Change, while guaranteeing that the change is slower.
Further, the track that the camber line point corresponding with air throttle valve block edge in each longitudinal cross-section of throttle seat is opened
The distance between gradually increasing in recessed curve along air throttle valve block opening direction；The air throttle valve block edge is relative
The track (being also camber line) of opening should be put to aggravate near air inlet passage center axis as throttle opening increases, and throttle seat
Camber line in each longitudinal cross-section first increases near the distance of air inlet passage center axis along air throttle valve block opening direction and subtracts afterwards, relatively
It is less in the increase amplitude of the cylinder aditus laryngis of prior art, more smooth out beneficial to the change of effective actual internal area；As illustrated, in section
From 0 ° to 15 °, the increase amplitude of effective actual internal area of straight pipe type aditus structure is significantly greater than circular arc type aditus laryngis to valve opening
Effective actual internal area of structure, recessed curve are represented with air throttle valve block aperture as abscissa, with effective actual internal area
The curve made by vertical coordinate is recessed, and the notching curve of circular arc type aditus structure is located at the notching curve of straight pipe type aditus structure
Lower section.
Further, throttle seat is two and is semi-cylindrical structure, and two throttle seats are opened with air throttle valve block respectively
During edge to the corresponding setting in the inswept track in both sides；Certainly, two throttle seats can also be integrally formed, and edge both sides are inswept
Track represent throttle inswept arc surface in throttler valve piece edge in the small guide vane, two throttle seats are located at throttle valve plate respectively
Both sides during closing, it is ensured that the control to throttle small guide vane air inflow rate of change.
Further, throttle seat at least one of which end face extends to be formed axially outward in the way of thickness is gradually reduced and prolongs
Extending portion；As illustrated, representing the direction for being axially distant from air throttle valve block rotating shaft axially outward；Two throttle seats of the present embodiment
Two ends be respectively formed extension, the inner surface of the extension is arcwall face vertically or smooth surface, it is to avoid throttler valve
Occurs locking when piece is opened, while ensureing that air-flow intake resistance is little, extension is additionally favorable for controlling air inflow from low-angle to big angle
The submissive transition of degree change, it is ensured that riding experience is good；Meanwhile, the extension end surface near sealing surface side axially extends to form reinforcing
Portion, for strengthening the fixing intensity of throttle seat, prevents from coming off.
The invention also discloses a kind of air throttle, air throttle includes above-mentioned throttle valve body and is installed on throttler valve
Body is used for the air throttle valve block for adjusting throttle opening；The change of the air inlet amount being effectively controlled under little throttle variable condition
Rate, it is to avoid the change of air inlet amount occur too fast.
The invention also discloses a kind of internal combustion engine, internal combustion engine is provided with for controlling air into the above-mentioned of internal combustion engine
Air throttle；Beneficial to internal combustion engine, under little throttle variable condition, throttle is easily operated, it is to avoid combustion engine powered generation mutation, improves whole
The driving performance of car.
The beneficial effects of the utility model are：A kind of engine air control shutter valve body disclosed in this utility model, air throttle and
Internal combustion engine, by arranging throttle seat in the air intake duct of throttle valve body, effectively cuts in the air inlet of throttle small guide vane subject throttle
Area is less with the change that throttle changes, precise control when realizing that throttle small guide vane changes to internal combustion engine air inflow, i.e., in oil
In the case of door small guide vane, make car load dynamic property under little throttle operation not produce mutation, directly improve the driving of car load.
Description of the drawings
With reference to the accompanying drawings and examples this utility model is further described：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is effective actual internal area of straight pipe type aditus structure and circular arc type aditus structure in this utility model with aperture
The comparison diagram for changing and changing；
Fig. 3 is throttle seat sectional view vertically in this utility model.
Specific embodiment
Fig. 1 is structural representation of the present utility model, and Fig. 2 is straight pipe type aditus structure and circular arc type larynx in this utility model
Effective actual internal area of mouth structure with aperture change and change comparison diagram, Fig. 3 be this utility model in throttle seat vertically
Sectional view, as illustrated, the throttle valve body 1 in the present embodiment；The valve body 1 is provided with air intake duct 2, the air intake duct 2
Inside be provided with throttle seat 4 that is corresponding with air throttle valve block 3 and forming air inlet aditus laryngis, the air inlet aditus laryngis for air throttle valve block 3
Coordinate and reduce in 3 opening process of air throttle valve block the rate of change that air inflow increases, the rate of change that air inflow increases is solar term
Gate valve piece 3 rotates the incrementss of the effective actual internal area in unit angle increasing, and the rate of change that reducing air inflow increases subtracts
Little reduced relative to the rate of change of the air inflow increase of straight pipe type aditus structure；The setting of throttle seat 4 and the solar term for rotating
Gate valve piece 3 is engaged, and relative to straight tube shape aditus laryngis, reduces the rate of change in effective admission section, make effective admission section increase with
The change during increase of aperture slows down, and during air throttle valve block 3 is opened, internal combustion engine is entered when realizing that throttle small guide vane changes
The precise control of tolerance, makes car load dynamic property under little throttle operation not produce mutation, directly improves the driving of car load.
In the present embodiment, 4 inner surface of the throttle seat surrounds air inlet aditus laryngis, and 4 inner surface of the throttle seat and air throttle
During valve block 3 is opened and closed, the inswept track plane in edge coordinates for reducing air inflow rate of change；The air throttle valve block 3 was opened and closed
In journey, the inswept track plane in edge is spherical calotte, and the inner surface of throttle seat 4 can be the taper surface for covering in outward the spherical calotte
Or cambered surface etc., air inflow variable quantity can effectively be slowed down by the inner surface of throttle seat 4 and then air inflow rate of change is effectively adjusted,
Ensure that control accuracy is high.
In the present embodiment, in the longitudinal cross-section of the throttle seat 4, inner surface is edge in 3 opening direction of air throttle valve block
The radially outward recessed curve 5 of air intake duct 2；Outer recessed curve 5 causes throttle seat 4 along effective thickness of 3 opening direction of air throttle valve block
It is thickening after degree is first thinning so that (effective radius becomes effective radius rate of change when curve 5 recessed outward is opened with air throttle valve block 3
It is less and then become larger when rate starts) it is adapted, the effective radius of air throttle valve block 3 refers to air throttle valve block 3 along axle
Distance of the marginal point on ellipse formed to projection to major semiaxis；The effect that the rate of change that control air inflow increases slows down is brighter
It is aobvious so that submissiveer in the air inflow rate of change control of small guide vane in control air throttle.
In the present embodiment, the curve 5 is camber line 5, and the axial direction of the camber line 5 in each longitudinal cross-section of throttle seat is long
The track that degree point corresponding with air throttle valve block edge is opened is adapted；Camber line 5 is preferably circular arc line, due to air throttle valve block side
Different (the corresponding point in edge of close air throttle valve block rotating shaft its rail when equal angular is rotated in track that the corresponding point of edge is opened
Length of the mark relative to the corresponding point in edge away from air throttle valve block rotating shaft vertically is relatively short), by by throttle seat
The camber line that the axial length of the camber line in each longitudinal cross-section is disposed proximate to air throttle valve block rotating shaft is shorter, away from throttler valve
The camber line of piece rotating shaft is longer, it is ensured that air throttle valve block effective actual internal area in action produces Significant Change, while guaranteeing this
Change is slower；When the air throttle valve block is closed, edge is diametrically just right with camber line proximal end；Camber line is near
End represents the initiating terminal of camber line opening corresponding with air throttle valve block, and which is that, near one end of air throttle valve block rotating shaft, camber line is remote
End is the one end away from air throttle valve block rotating shaft；Throttle seat 4 can be placed in air intake duct 2 in bonding, interference fit or entirety
Wall, can fix and realize expected throttling action, and compact conformation is easy for installation.
In the present embodiment, the point corresponding with air throttle valve block edge of the camber line in each longitudinal cross-section of the throttle seat is beaten
The distance between track opened gradually is increasing in recessed curve along 3 opening direction of air throttle valve block；The throttler valve
Aggravate near 2 central shaft of air intake duct as throttle opening increases the track (being also camber line) that the corresponding point in piece edge is opened
Line, and the camber line in each longitudinal cross-section of throttle seat along air throttle valve block opening direction near 2 central axis of air intake duct away from
Subtract from first increasing afterwards, it is less relative to the increase amplitude of the cylinder aditus laryngis of prior art, change more flat beneficial to effective actual internal area
It is suitable；As illustrated, in throttle opening from 0 ° to 15 °, the increase amplitude of effective actual internal area of straight pipe type aditus structure is bright
Show the effective actual internal area more than circular arc type aditus structure, recessed curve is represented with 3 aperture of air throttle valve block as abscissa,
The curve made by vertical coordinate with effective actual internal area is recessed, and the notching curve of circular arc type aditus structure is located at straight pipe type larynx
The lower section of the notching curve of mouth structure.
In the present embodiment, the throttle seat 4 is two and is semi-cylindrical structure, two throttle seats 4 respectively with solar term
In 3 opening process of gate valve piece, edge is to the corresponding setting in the inswept track in both sides；Certainly, two throttle seats can also be integrally formed,
The track that edge both sides are inswept represents throttle inswept arc surface in throttler valve piece edge in the small guide vane, 4 points of two throttle seats
Not Wei Yu throttle valve plate close when both sides, it is ensured that the control to throttle small guide vane air inflow rate of change.
In the present embodiment, 4 at least one of which end face of the throttle seat is axially outward in the way of thickness is gradually reduced
Extension forms extension；As illustrated, representing the direction for being axially distant from air throttle valve block rotating shaft axially outward；The present embodiment
The two ends of two throttle seats 4 are respectively formed extension, including the medial extension near air throttle valve block rotating shaft and away from air throttle
The lateral extension of valve block rotating shaft, the inner surface of the extension is arcwall face vertically or smooth surface, medial extension
7a avoids air throttle valve block 3 from locking occur when opening, while ensureing that air-flow intake resistance is little, lateral extension 7b is additionally favorable for control
Air inflow submissive transition from low-angle to wide-angle variations, it is ensured that riding experience is good；Meanwhile, the inner side near sealing surface side extends
End surface axially extends to form reinforcing portion 6, for strengthening the fixing intensity of throttle seat 4, prevents from coming off.
The invention also discloses a kind of air throttle, the air throttle includes the throttle valve body 1 and is installed on section
Valve valve body is used for the air throttle valve block 3 for adjusting throttle opening, the air inlet being effectively controlled under little throttle variable condition
The rate of change of amount, it is to avoid the change of air inlet amount occur too fast.
The invention also discloses a kind of internal combustion engine, the internal combustion engine is provided with for controlling air into internal combustion engine
Above-mentioned air throttle；Beneficial to internal combustion engine, under little throttle variable condition, throttle is easily operated, it is to avoid combustion engine powered generation mutation, changes
The driving performance of kind car load.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
This utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, without deviating from the objective and model of technical solutions of the utility model
Enclose, which all should be covered in the middle of right of the present utility model.
Claims (10)
1. a kind of engine air control shutter valve body, it is characterised in that：The valve body is provided with air intake duct, be provided with the air intake duct with
Air throttle valve block corresponds to and is formed the throttle seat of air inlet aditus laryngis, and the air inlet aditus laryngis is for the cooperation of air throttle valve block and in solar term
Reduce the rate of change that air inflow increases in gate valve piece opening process.
2. engine air control shutter valve body according to claim 1, it is characterised in that：The throttling base inner surface surrounds air inlet
Aditus laryngis, and the inswept track plane in edge coordinates for reducing air inlet during the throttling base inner surface is opened and closed with air throttle valve block
Quantitative change rate.
3. engine air control shutter valve body according to claim 2, it is characterised in that：In the longitudinal cross-section of the throttle seat,
Inner surface is along the radially outward recessed curve of air intake duct in air throttle valve block opening direction.
4. engine air control shutter valve body according to claim 3, it is characterised in that：The curve is camber line, and in throttling
The track that the axial length point corresponding with air throttle valve block edge of the camber line in each longitudinal cross-section of seat is opened is adapted；Institute
When stating air throttle valve block and being closed, edge is diametrically just right with camber line proximal end.
5. engine air control shutter valve body according to claim 3, it is characterised in that：Each longitudinal cross-section of the throttle seat
In the distance between the track opened of camber line point corresponding with air throttle valve block edge along air throttle valve block opening direction
Gradually increase in recessed curve.
6. engine air control shutter valve body according to claim 1, it is characterised in that：The throttle seat is two and is half
Cylindrical-shaped structure, and two throttle seats are set to the inswept track in both sides is corresponding with edge in air throttle valve block opening process respectively
Put.
7. engine air control shutter valve body according to claim 4, it is characterised in that：The throttle seat at least one of which end
Face extends to form extension axially outward in the way of thickness is gradually reduced.
8. engine air control shutter valve body according to claim 7, it is characterised in that：The inner surface of the extension is along axle
To the cambered surface or smooth surface that arrange.
9. a kind of air throttle, it is characterised in that：The air throttle includes the internal combustion in claim 1-8 described in any claim
Machine throttle valve body is used to adjust the air throttle valve block of throttle opening with engine air control shutter valve body is installed on.
10. a kind of internal combustion engine, it is characterised in that：The internal combustion engine is provided with will into internal combustion engine such as right for controlling air
Seek the air throttle described in 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620971489.1U CN206071729U (en) | 2016-08-26 | 2016-08-26 | Engine air control shutter valve body, air throttle and internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620971489.1U CN206071729U (en) | 2016-08-26 | 2016-08-26 | Engine air control shutter valve body, air throttle and internal combustion engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206071729U true CN206071729U (en) | 2017-04-05 |
Family
ID=58434424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620971489.1U Expired - Fee Related CN206071729U (en) | 2016-08-26 | 2016-08-26 | Engine air control shutter valve body, air throttle and internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206071729U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194444A (en) * | 2016-08-26 | 2016-12-07 | 重庆隆鑫机车有限公司 | Engine throttle valve body, air throttle and electromotor |
-
2016
- 2016-08-26 CN CN201620971489.1U patent/CN206071729U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194444A (en) * | 2016-08-26 | 2016-12-07 | 重庆隆鑫机车有限公司 | Engine throttle valve body, air throttle and electromotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20170405 Termination date: 20210826 |