CN107687378A - A kind of general gasoline engines fuel oil supply system - Google Patents
A kind of general gasoline engines fuel oil supply system Download PDFInfo
- Publication number
- CN107687378A CN107687378A CN201610628422.2A CN201610628422A CN107687378A CN 107687378 A CN107687378 A CN 107687378A CN 201610628422 A CN201610628422 A CN 201610628422A CN 107687378 A CN107687378 A CN 107687378A
- Authority
- CN
- China
- Prior art keywords
- choke
- support arm
- backing pin
- supply system
- fuel oil
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M1/00—Carburettors with means for facilitating engine's starting or its idling below operational temperatures
- F02M1/02—Carburettors with means for facilitating engine's starting or its idling below operational temperatures the means to facilitate starting or idling being chokes for enriching fuel-air mixture
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
- F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
- F02D9/1065—Mechanical control linkage between an actuator and the flap, e.g. including levers, gears, springs, clutches, limit stops of the like
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Means For Warming Up And Starting Carburetors (AREA)
Abstract
The present invention discloses a kind of general gasoline engines fuel oil supply system, and its choke rotating mechanism, air throttle rotating mechanism for including body and being connected on body, and cable control mechanism, cable control mechanism include rotating arm and drag-line.Rotating arm includes rotating shaft and the first support arm and second support arm that are connected in rotating shaft, and axis of rotation is connected on body；Drag-line is connected in first support arm or second support arm.Wherein, choke rotating mechanism has the choke backing pin corresponding with first support arm, air throttle rotating mechanism has the air throttle backing pin corresponding with second support arm, and drag-line drives axis of rotation so that first support arm/second support arm pushes or left choke backing pin/air throttle backing pin.Air throttle and choke are manipulated and are integrated together by the present invention, can be realized remotely by drag-line to control, be realized startup-operation-idling function, meet the requirement of convenient use.
Description
Technical field
The present invention relates to a kind of fuel oil supply system of engine, is to be related to one kind to realize air throttle and resistance specifically
The general gasoline engines fuel oil supply system of air door coordinated signals.
Background technology
With the raising of scientific and technological level, people require more and more higher to the convenient use of product.General start is started
It is required for closing the choke of fuel oil supply system during machine on engine, choke is opened after startup again, if allowing engine
Idle, it is also necessary to speed adjusting lever is pulled on to engine, process is extremely numerous and diverse, very inconvenient.
As shown in figure 1, existing fuel oil supply system 1, when starting engine, choke 11 is closed mode, and engine opens
Need to rotate the opening choke 11 of shift fork 12 after dynamic.After engine is shut down, when starting next time, need to close choke again
11, it is again turned on after startup.It is in idle if necessary to engine, it is also necessary to pull speed adjusting lever on to engine, lead to
The throttle valve of control node valve rocker 13 is crossed to idle position.Above manipulation process is all independent, use it is excessively numerous and diverse,
It is extremely inconvenient for the user.
The content of the invention
Present invention aim to address existing general gasoline engines fuel oil supply system manipulation process it is numerous and diverse the problem of, there is provided
A kind of general gasoline engines fuel oil supply system of convenient operation, air throttle and choke are manipulated and are integrated together, can pass through drawing
Suo Yuancheng is controlled, and is realized startup-operation-idling function, is met the requirement of convenient use.
To achieve these goals, general gasoline engines fuel oil supply system of the invention, including body and it is connected to institute
The choke rotating mechanism and air throttle rotating mechanism on body, and cable control mechanism are stated, cable control mechanism includes rotation
Turn rocking arm and drag-line.Rotating arm includes rotating shaft and the first support arm and second support arm that are connected in the rotating shaft, the rotating shaft
Rotation connection is on the body；Drag-line, it is connected in the first support arm or second support arm, wherein, the choke rotates
Mechanism has the choke backing pin corresponding with the first support arm, and the air throttle rotating mechanism has and the second support arm
Corresponding air throttle backing pin, the drag-line drive the axis of rotation so that the first support arm/second support arm push or from
Open the choke backing pin/air throttle backing pin.
In one embodiment of above-mentioned general gasoline engines fuel oil supply system, the rotating shaft is connected by a rotation torsion spring
On the body.
In one embodiment of above-mentioned general gasoline engines fuel oil supply system, the cable control mechanism also includes connection
Guide shaft fixing unit on the body, the drag-line are fixed and are oriented to by the guide shaft fixing unit.
In one embodiment of above-mentioned general gasoline engines fuel oil supply system, the choke rotating mechanism includes choke
Door, choke rocking arm and choke torsion spring, the choke are connected on the choke rocking arm, and the choke rocking arm passes through
On the body, the choke backing pin is connected on the choke rocking arm for the choke torsion spring connection.
In one embodiment of above-mentioned general gasoline engines fuel oil supply system, the choke is turned round by the choke
Spring is in normally open, and the first support arm, which pushes against the choke backing pin, closes the choke.
In one embodiment of above-mentioned general gasoline engines fuel oil supply system, the choke is turned round by the choke
Spring is in normally off, and the first support arm, which pushes against the choke backing pin, remains closed the choke, the drag-line control
Mechanism processed also includes diaphragm pump, and the diaphragm pump is connected by pull bar with the choke rocking arm.
In one embodiment of above-mentioned general gasoline engines fuel oil supply system, the cable control mechanism also includes connection
The control module of the drag-line, the control module is by controlling the drag-line first support arm and second support arm is distinguished position
The 3rd position when second place when first position when engine start, engine operation and engine idling.
In one embodiment of above-mentioned general gasoline engines fuel oil supply system, in the first position, described first
Arm pushes the choke backing pin, and the second support arm is away from the air throttle backing pin.
In one embodiment of above-mentioned general gasoline engines fuel oil supply system, in the second place, the first support arm without
Active force is in the choke backing pin, and the second support arm is without active force in the air throttle backing pin.
In one embodiment of above-mentioned general gasoline engines fuel oil supply system, in the 3rd position, the first support arm is remote
From the choke backing pin, the second support arm pushes against the air throttle backing pin.
The beneficial functional of the present invention is that the present invention can realize remote control, have by increasing cable control mechanism
The advantages that easy to use, simple in construction, reliable and stable.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Brief description of the drawings
Fig. 1 is the structure chart of the general gasoline engines fuel oil supply system of prior art；
Fig. 2 is the structure chart of the first embodiment of the general gasoline engines fuel oil supply system of the present invention；
Fig. 3 is that the rotating arm of the first embodiment of the general gasoline engines fuel oil supply system of the present invention rotates in first
The structure chart put；
Fig. 4 a are that the rotating arm of the first embodiment of the general gasoline engines fuel oil supply system of the present invention rotates in second
The structure chart (one) of position；
Fig. 4 b are that the rotating arm of the first embodiment of the general gasoline engines fuel oil supply system of the present invention rotates in second
The structure chart (two) of position；
Fig. 5 is that the rotating arm of the first embodiment of the general gasoline engines fuel oil supply system of the present invention rotates in the 3rd
The structure chart put；
Fig. 6 a are the structure chart (one) of the second embodiment of the general gasoline engines fuel oil supply system of the present invention；
Fig. 6 b are the structure chart (two) of the second embodiment of the general gasoline engines fuel oil supply system of the present invention；
Fig. 7 is that the rotating arm of the second embodiment of the general gasoline engines fuel oil supply system of the present invention rotates in first
The structure chart put；
Fig. 8 a are that the rotating arm of the second embodiment of the general gasoline engines fuel oil supply system of the present invention rotates in second
The structure chart (one) of position；
Fig. 8 b are that the rotating arm of the second embodiment of the general gasoline engines fuel oil supply system of the present invention rotates in second
The structure chart (two) of position；
Fig. 9 is that the rotating arm of the second embodiment of the general gasoline engines fuel oil supply system of the present invention rotates in the 3rd
The structure chart put.
Wherein, reference
In the prior art：
1 existing fuel oil supply system
11 chokes
12 shift forks
13 air throttle rocking arms
In the present invention：
10th, 10a general gasoline engines fuel oil supply system
100 bodies
200th, 200a chokes rotating mechanism
210 choke backing pins
220 chokes
230 choke rocking arms
240th, 240a chokes torsion spring
300 air throttle rotating mechanisms
310 air throttle backing pins
320 air throttle rocking arms
400 cable control mechanisms
410 rotating arms
411 rotating shafts
412 first support arms
413 second support arms
414 rotation torsion springs
420 drag-lines
430th, 430a guide shaft fixing units
510a diaphragm pumps
520a pull bars
530a connecting tubes
540a mixing chambers
Embodiment
Technical solution of the present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings, to be further understood that
The purpose of the present invention, scheme and effect, but it is not intended as the limitation of scope of the appended claims of the present invention.
The general gasoline engines fuel oil supply system of the present invention increases by a cable control mechanism between air throttle and choke,
Cable control mechanism includes rotating rocking arm, rotates and torsion spring and drag-line are installed on rocking arm, increases by a return torsion spring at choke, in addition
Increase backing pin respectively on air throttle and choke, rotate rocking arm rotation by remotely pulling drag-line to drive, rotate rocking arm and stir
Backing pin is realized to air throttle and choke integration remote control.
First embodiment
As shown in Fig. 2 the general gasoline engines fuel oil supply system 10 of the first embodiment of the present invention includes body 100, resistance
Air door rotating mechanism 200, air throttle rotating mechanism 300 and cable control mechanism 400.Choke rotating mechanism 200, air throttle
Rotating mechanism 300 and cable control mechanism 400 are connected on body 100.
Cable control mechanism 400 includes rotating arm 410 and drag-line 420.Wherein, rotating arm 410 includes the He of rotating shaft 411
The first support arm 412 and second support arm 413 being connected in rotating shaft 411, rotating shaft 411 are rotatably connected on this by rotating torsion spring 414
On body 411.Rotation torsion spring 414 acts on rotating arm 410, and rotating arm 410 can be with around the shaft 411 rotations.
Drag-line 420 is coupled by cable connector with rotating arm 410, for example, drag-line 420 is attached to first support arm 412
Or in second support arm 413, in the present embodiment so that drag-line 420 is connected in second support arm 413 as an example.Pull drag-line 420, drag-line
420 pulling rotating arms 410 are rotated centered on rotating shaft 411.
Choke rotating mechanism 200 has the choke backing pin 210 corresponding with first support arm 412, air throttle rotating machine
Structure 300 has an air throttle backing pin 310 corresponding with second support arm 413, and drag-line 420 drives rotating arm 410 to rotate so that the
The second support arm 413 of one support arm 412/ pushes or left the air throttle backing pin 310 of choke backing pin 210/.First support arm 412 push against or
Choke backing pin 210 is left, choke rotating mechanism 200 rotates, to drive choke folding.Second support arm 413 push against or from
Give gas backing pin 310, and air throttle rotating mechanism 300 rotates, to drive air throttle folding.First support arm 412 and second support arm
413 coordinate realization to air throttle and choke overall-in-one control schema.
Cable control mechanism 400 also includes guide shaft fixing unit 430, and guide shaft fixing unit 430 is fixed on body 100, drag-line
420 are fixed and are oriented to by guide shaft fixing unit 430.
Choke rotating mechanism 200 also includes choke 220, choke rocking arm 230 and choke torsion spring 240, choke
220 are connected on choke rocking arm 230, and choke rocking arm 230 is connected in main body 100 by choke torsion spring 240, choke
Backing pin 210 is connected on choke rocking arm 230.Wherein, choke 220 is in normally open by choke torsion spring 240.
Air throttle rotating mechanism 300 includes air throttle rocking arm 320, and air throttle backing pin 310 is connected to air throttle rocking arm 320
On.
Cable control mechanism 400 also includes control module, and control module is, for example, remote control, and control module connects
Drag-line 420, rotating arm 410 and its first support arm 412 and second support arm 413 is controlled to turn to start respectively by drag-line 420
Required the 3rd when machine first position required when starting, the engine second place required when running and engine idling
Put.
In first position, first support arm 412 pushes choke backing pin 210, and choke 422 is closed, and second support arm 413 is remote
Air throttle backing pin 310, WOT.In the second place, first support arm 412 is without active force in choke backing pin 210, choke
422 standard-sized sheets, second support arm 413 are located at traffic coverage without active force in air throttle backing pin 310, air throttle.In the 3rd position, first
For support arm 412 away from choke backing pin 210, choke 422 keeps standard-sized sheet, and second support arm 413 pushes against air throttle backing pin 310, solar term
Door is located at idle position.
As shown in figure 3, during engine start, drag-line 420 and rotating arm 410 are in first position A, and now, rotation is shaken
The first support arm 412 of arm 410 pushes choke backing pin 210, incorporated by reference to Fig. 2, because the torsion for rotating torsion spring 414 is more than choke
The torsion of torsion spring 240, first support arm 412 promote choke backing pin 210 under twisting force, choke 220 is in close stance
Put.The second support arm 413 of rotating arm 410 is away from air throttle backing pin 310, WOT.
As shown in figures 4 a and 4b, when engine is run, drag-line 420 is pulled to turn to drag-line 420 and rotating arm 410
Second place B, now, the first support arm 412 of rotating arm 410 away from choke backing pin 210 to completely separable, with reference to Fig. 2, resistance
Air door 220 is beaten under the twisting force of choke torsion spring 240 to standard-sized sheet.Air throttle can be in unloaded (P1 positions as shown in fig. 4 a
Put) run to standard-sized sheet (P2 positions as shown in Figure 4 b) section, meet engine work.
As shown in figure 5, during engine idling, drag-line 420 is pulled drag-line 420 and rotating arm 410 is in the 3rd position
C, now, the first support arm 412 of rotating arm 410 with the disconnected position of choke backing pin 210 away from continuing, first support arm 412
With choke backing pin 210 standard-sized sheet is still kept without effect, choke 220.The second support arm 413 of rotating arm 410 pushes against air throttle
Backing pin 310 is to idle position.
The engine heat engine open air door that the present embodiment is mainly used in special-purpose starts situation.
Second embodiment
As shown in figures 6 a and 6b, the general gasoline engines fuel oil supply system 10a and first of the second embodiment of the present invention
The label identical of embodiment is identical structure, is explained below with regard to difference.The general gasoline engines fuel oil of the present embodiment
Feed system 10a also includes being arranged at the diaphragm pump 510a at choke, and body 100 is arranged on by guide shaft fixing unit 430a
On, and be connected with choke rocking arm 230 by pull bar 520a, communicated by connecting tube 530a with mixing chamber 540a.Wherein, choke
Door 220 is in normally off by choke torsion spring 240a.
As shown in fig. 7, during engine start, drag-line 420 and rotating arm 410 are in first position A, now, choke
220 close under choke torsion spring 240a twisting force, rotating arm 410 shifted onto in the case where rotating the twisting force of torsion spring 414 with
Choke backing pin 210 contacts, and choke 220 is maintained the closed position.The second support arm 413 of rotating arm 410 is away from air throttle
Backing pin 310, WOT.
As figures 8 a and 8 b show, after engine start, when operation, air throttle is located at idle position, pulls drag-line
420 make drag-line 420 and rotating arm 410 be in second place B, and now, the first support arm 412 of rotating arm 410 is away from choke
Door shield pin 210 with reference to Fig. 6 b, is formed negative pressure in mixing chamber 540a after being run due to engine, passes through connecting tube to completely separable
530a acts on diaphragm pump 510a, diaphragm pump 510a is worked, and drives pull bar 520a choke 220 is overcome choke torsion spring
240a torsion is beaten to standard-sized sheet.Air throttle can arrive standard-sized sheet (P2 as shown in Figure 8 b in unloaded (P1 positions as shown in Figure 8 a)
Position) section operation, meet engine work.
As shown in figure 9, during engine idling, drag-line 420 is pulled drag-line 420 and rotating arm 410 is in the 3rd position
C, now, the first support arm 412 of rotating arm 410 with the disconnected position of choke backing pin 210 away from continuing, first support arm 412
With choke backing pin 210 standard-sized sheet is still kept without effect, choke 220 in the presence of diaphragm pump 510a.The of rotating arm 410
Two support arms 413 push against air throttle backing pin 310 to idle position.
Engine misses.Engine misses rear film pump 510a is stopped in the present embodiment, and drag-line 420 is in any position
Put, choke is back to closed position automatically under choke torsion spring 240a effects, is ready to start next time, meets to start
Machine closes air door startup under any circumstance.When starting next time, when engine is under heat engine state, drag-line 420 is in second
Put or the 3rd position, choke 220 are opened, start engine.When engine has cooled down, it is necessary to pull drag-line 420 to the first
Position, choke 220 are closed, and start engine.
Certainly, the present invention can also have other various embodiments, ripe in the case of without departing substantially from spirit of the invention and its essence
Know those skilled in the art when can be made according to the present invention it is various it is corresponding change and deformation, but these corresponding change and become
Shape should all belong to the protection domain of appended claims of the invention.
Claims (10)
1. a kind of general gasoline engines fuel oil supply system, including body and connection choke rotating mechanism on the body
With air throttle rotating mechanism, it is characterised in that also including cable control mechanism, it includes：
Rotating arm, including rotating shaft and the first support arm and second support arm that are connected in the rotating shaft, the axis of rotation connection
On the body；And
Drag-line, it is connected in the first support arm or second support arm, wherein, the choke rotating mechanism has and described first
The corresponding choke backing pin of support arm, the air throttle rotating mechanism have the stopper corresponding with the second support arm
Pin, the drag-line drive the axis of rotation so that the first support arm/second support arm push or leave the choke backing pin/
Air throttle backing pin.
2. general gasoline engines fuel oil supply system according to claim 1, it is characterised in that the rotating shaft passes through a rotation
Torsion spring connects on the body.
3. general gasoline engines fuel oil supply system according to claim 1, it is characterised in that the cable control mechanism is also
Including connecting guide shaft fixing unit on the body, the drag-line is fixed and is oriented to by the guide shaft fixing unit.
4. general gasoline engines fuel oil supply system according to claim 1, it is characterised in that the choke rotating mechanism
Including choke, choke rocking arm and choke torsion spring, the choke is connected on the choke rocking arm, the choke
Rocking arm is connected on the body by the choke torsion spring, and the choke backing pin is connected on the choke rocking arm.
5. general gasoline engines fuel oil supply system according to claim 4, it is characterised in that the choke passes through described
Choke torsion spring is in normally open, and the first support arm, which pushes against the choke backing pin, closes the choke.
6. general gasoline engines fuel oil supply system according to claim 4, it is characterised in that the choke passes through described
Choke torsion spring is in normally off, and the first support arm, which pushes against the choke backing pin, remains closed the choke, institute
Stating cable control mechanism also includes diaphragm pump, and the diaphragm pump is connected by pull bar with the choke rocking arm.
7. general gasoline engines fuel oil supply system according to claim 1, it is characterised in that the cable control mechanism is also
Control module including connecting the drag-line, the control module is by controlling the drag-line to make the first support arm and second
The 3rd when second place when first position when arm is located at engine start respectively, engine operation and engine idling
Put.
8. general gasoline engines fuel oil supply system according to claim 7, it is characterised in that in the first position, institute
State first support arm and push the choke backing pin, the second support arm is away from the air throttle backing pin.
9. general gasoline engines fuel oil supply system according to claim 7, it is characterised in that in the second place, described
One support arm is without active force in the choke backing pin, and the second support arm is without active force in the air throttle backing pin.
10. general gasoline engines fuel oil supply system according to claim 7, it is characterised in that in the 3rd position, described
One support arm pushes against the air throttle backing pin away from the choke backing pin, the second support arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610628422.2A CN107687378B (en) | 2016-08-03 | 2016-08-03 | Fuel supply system of general gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610628422.2A CN107687378B (en) | 2016-08-03 | 2016-08-03 | Fuel supply system of general gasoline engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107687378A true CN107687378A (en) | 2018-02-13 |
| CN107687378B CN107687378B (en) | 2021-03-09 |
Family
ID=61151278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610628422.2A Active CN107687378B (en) | 2016-08-03 | 2016-08-03 | Fuel supply system of general gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107687378B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692016A (en) * | 2019-03-13 | 2020-09-22 | 华益机电有限公司 | Fuel supply system |
| CN112943485A (en) * | 2021-02-24 | 2021-06-11 | 隆鑫通用动力股份有限公司 | Universal engine |
| CN115217674A (en) * | 2021-04-19 | 2022-10-21 | 华益机电有限公司 | Choke valve control mechanism and fuel supply system with same |
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| EP0113268A1 (en) * | 1982-12-07 | 1984-07-11 | Regie Nationale Des Usines Renault | Automatic choke for carburetors |
| US20020121710A1 (en) * | 2001-03-05 | 2002-09-05 | King Eric L. | Carburetor throttle and choke control mechanism |
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| CN1982686A (en) * | 2005-12-14 | 2007-06-20 | 本田技研工业株式会社 | Carburetor automatic control system for engine |
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| CN103016163A (en) * | 2011-09-20 | 2013-04-03 | 富士重工业株式会社 | Operation device for engine |
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| EP0113268A1 (en) * | 1982-12-07 | 1984-07-11 | Regie Nationale Des Usines Renault | Automatic choke for carburetors |
| US20020121710A1 (en) * | 2001-03-05 | 2002-09-05 | King Eric L. | Carburetor throttle and choke control mechanism |
| CN1920287A (en) * | 2005-08-24 | 2007-02-28 | 安德烈亚斯.斯蒂尔两合公司 | Carburetor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111692016A (en) * | 2019-03-13 | 2020-09-22 | 华益机电有限公司 | Fuel supply system |
| CN112943485A (en) * | 2021-02-24 | 2021-06-11 | 隆鑫通用动力股份有限公司 | Universal engine |
| CN115217674A (en) * | 2021-04-19 | 2022-10-21 | 华益机电有限公司 | Choke valve control mechanism and fuel supply system with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107687378B (en) | 2021-03-09 |
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