CN201635868U - Simple starting diaphragm carburetor - Google Patents
Simple starting diaphragm carburetor Download PDFInfo
- Publication number
- CN201635868U CN201635868U CN2010201712941U CN201020171294U CN201635868U CN 201635868 U CN201635868 U CN 201635868U CN 2010201712941 U CN2010201712941 U CN 2010201712941U CN 201020171294 U CN201020171294 U CN 201020171294U CN 201635868 U CN201635868 U CN 201635868U
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- mixing chamber
- carburetor
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- road
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Abstract
The utility model relates to a carburetor, in particular to a simple starting diaphragm carburetor; the utility model provides the following technical scheme: the simple starting diaphragm carburetor comprises a carburetor body which is arranged in a main oil supplying channel on the carburetor body, a gas inlet cavity, a throat pipe and a mixing chamber are arranged in the main oil supplying channel, a throttle valve component is arranged in the mixing chamber, the throttle valve component comprises a throttle valve spindle and a throttle valve, an assisting oil path and an air path are arranged on the carburetor body, the oil inlet and outlet of the assisting oil path are conducted with a metering chamber and the mixing chamber, the gas inlet of the air path is arranged at the gas inlet cavity position of the carburetor body, the gas outlet of the air path is conducted with the mixing chamber, and a rotating shaft which is linked with the throttle valve spindle and forms closed air path when in starting and conduction of the air path and the outside when in other working conditions is arranged at the gas inlet cavity position of the carburetor body; by adopting the technical scheme, the simple starting diaphragm carburetor which has convenient operation and can increase oil inlet amount when in starting is provided.
Description
Technical field
The utility model relates to a kind of Carburetor, particularly a kind of simple start diaphragm type carburetor.
Background technique
Carburetor is with the fuel oil of some and air mixing, impels the main device of normal working of engine.In engine starting process, need to increase the oil inlet quantity of Carburetor and close gas-entered passageway minimizing air quantity, motor is started under the fuel oil state of high concentration, improve the probalility of success of engine start.Existing Carburetor, as shown in Figure 1, include the Carburetor body, take shape in the main oil supply gallery on the Carburetor body, be provided with air-inlet cavity in the main oil supply gallery, trunnion and mixing chamber, being provided with startup control system air in air-inlet cavity enters the chock plate assembly of described main oil supply gallery and be provided with the air throttle component that the control fuel oil enters described mixing chamber in mixing chamber, air throttle component generally includes the throttle plate pin that is arranged on the Carburetor body, be installed in the closure that also is arranged on rotatably on the described throttle plate pin in the described mixing chamber, the chock plate assembly then comprises the Air strangler spindle that is arranged on the Carburetor body, be installed in the chock plate that also is arranged on rotatably on the described Air strangler spindle in the described air-inlet cavity, be respectively equipped with the linkage part of mutual interlock on throttle plate pin and the Air strangler spindle.The existing problem of technique scheme mainly be embodied in following some: 1, motor is after starting, chock plate needs to open by manually-operable at short notice, otherwise motor can only move the short time of row at hot machine will stop working, and operation is inconvenience very; If working time is longer when wanting engine warm-up after 2 startups, need more air be entered with offering aperture on the chock plate, but the degree of vacuum at main nozzle place is reduced, main nozzle fuel injection quantity deficiency during startup, there are not enough fuel oils and air mixing, impel the mixed gas of output rarer, very likely cause motor normally to start.
Summary of the invention
At the deficiency that prior art exists, the utility model provides a kind of easy and simple to handle, simple start diaphragm type carburetor that can increase oil inlet quantity when starting.
For achieving the above object, the utility model provides following technological scheme: a kind of simple start diaphragm type carburetor, include the Carburetor body, take shape in the main oil supply gallery on the Carburetor body, be provided with air-inlet cavity in the main oil supply gallery, trunnion and mixing chamber, the trunnion place is provided with for the main nozzle of fuel injection to the mixing chamber, be provided with the air throttle component that startup control system fuel oil enters described mixing chamber in the mixing chamber, air throttle component comprises the throttle plate pin that is arranged on the Carburetor body, be installed in the closure that also is arranged on rotatably on the described throttle plate pin in the described mixing chamber, it is characterized in that: described Carburetor body is provided with auxiliary oil circuit and air road, the filler opening of described auxiliary oil circuit and measuring room conducting, oil outlet and mixing chamber conducting, the suction port on described air road is in the air-inlet cavity place of Carburetor body, the air outlet on air road and mixing chamber conducting, the air-inlet cavity place of described Carburetor body is provided with the throttle plate pin interlock and constitutes and starts the sealing of space-time gas circuit, the rotating shaft of other operating mode air road and outside conducting except that starting.
Adopt technique scheme, when the Carburetor body is provided with and starts to mixing chamber auxiliary the auxiliary oil circuit of fuel oil is provided and remove start other operating mode assurance assist oil circuit mixing chamber not to be provided the air road of auxiliary fuel, auxiliary oil circuit helps in the start-up course mixing chamber to be increased more amount of fuel, improve the concentration of fuel oil, thereby improve the success rate of engine start, the setting on air road then is because motor when being in other operating mode of removing the startup, the fuel oil concentration of mixing chamber need not too dense, too densely then can cause engine misses, for overcoming the generation of this type of situation, by the air road auxiliary oil circuit and the outside atmosphere conducting that fuel oil is provided assisted in mixing chamber inside, make not fuel feeding in mixing chamber of auxiliary oil, make motor keep proper functioning; The air-inlet cavity place of Carburetor body is not provided with chock plate, has only the rotating shaft that constitutes air road conducting or close, and auxiliary oil circuit has overcome and has not had chock plate and mixing chamber internal combustion oil concentration defect of insufficient when causing starting, so in start-up course, operator need not as in the past, remove the hand switch chock plate again, for its operation provides convenience.
The utility model further is set to: the suction port on the filler opening of described auxiliary oil circuit and air road is collected to a connection hole by independently connecting, this attachment hole is connected with the oil outlet of auxiliary oil circuit and the air outlet on air road by connecting passage, wherein, connecting passage includes the b that is connected that connects road a, is connected a and auxiliary oil channel conducting with the auxiliary oil channel of mixing chamber conducting and formation.
Wherein, the air outlet on the oil outlet of described auxiliary oil circuit and air road is all the auxiliary oil circuit with the mixing chamber conducting.
Adopt technique scheme, auxiliary oil circuit and air road are compiled by different connection roads, and by identical connecting passage and mixing chamber conducting, be provided with like this is because there is more passage in the Carburetor body interior, need get around and avoid to be connected when increasing auxiliary oil circuit and air road with other passage, so it is easy to process to adopt this kind to be provided with, and rationally distributed.
The utility model further is set to: the corresponding part that is positioned at the suction port on air road in the rotating shaft is provided with the through hole with air road suction port and extraneous conducting.
Adopt technique scheme, simple in structure, easy to process.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the structural representation of background technique;
Fig. 2 is the configuration diagram of visual air road inlet end among the utility model embodiment;
Fig. 3 is the structural representation that visual air road connects the road among the utility model embodiment;
Fig. 4 is the structural representation that visual air road reaches auxiliary shared attachment hole of oil circuit and connection road b among the utility model embodiment;
Fig. 5 is the structural representation that visual connection road a reaches auxiliary oil circuit oil outlet among the utility model embodiment;
Fig. 6 is the structural representation of visual auxiliary oil circuit oil inlet end among the utility model embodiment;
Fig. 7 is for starting the schematic flow sheet of closing the air road when auxiliary oil circuit starts among the utility model embodiment;
Fig. 8 is the schematic flow sheet that starts air road, back among the utility model embodiment.
Embodiment
As shown in Figure 1, structural representation for the utility model background technique, the Carburetor body is provided with closure and chock plate, when motor was in starting state, chock plate need be closed by manually-operable, and ato unit is up to hearing bang bang sound then, chock plate is partly opened then, restart motor till starting piece to be activated,, be not easy to operation when engine warming up 30-40 removes to open chock plate with hand after second.
As Fig. 2-a kind of simple start diaphragm type carburetor shown in Figure 8, include Carburetor body 1, take shape in the main oil supply gallery on the Carburetor body 1, be provided with air-inlet cavity 11, trunnion 14 and mixing chamber 2 in the main oil supply gallery, trunnion 14 places are provided with for the main nozzle 3 of fuel injection to the mixing chamber, be provided with the air throttle component 4 that startup control system fuel oil enters described mixing chamber 2 in the mixing chamber 2, air throttle component 4 comprises the throttle plate pin 41 that is arranged on the Carburetor body 1, is installed in the closure 42 that also is arranged on rotatably on the described throttle plate pin 41 in the described mixing chamber 2.When Carburetor body 1 is provided with and starts to mixing chamber 2 is auxiliary the auxiliary oil circuit 5 of fuel oil is provided and removes startup other operating mode by the hole in the rotating shaft air is introduced air road 6, wherein, the oil inlet end 51 and measuring room 9 conductings of auxiliary oil circuit 5, oil outlet 52 and mixing chamber 2 conductings, the suction port 61 on air road 6 is in air-inlet cavity 11 places of Carburetor body 1, the air outlet 62 and mixing chamber 2 conductings on air road 6, air-inlet cavity 11 places of described Carburetor body 1 are provided with throttle plate pin 41 interlocks and constitute and start 6 sealings of space-time gas circuit, the rotating shaft 7 of other operating mode air road 6 and outside conducting except that starting, the corresponding part that is positioned at the suction port 61 on air road 6 in the rotating shaft 7 is provided with the through hole 71 with air road 6 suction ports 61 and extraneous conducting, rotating shaft 7 rotates to when through hole 71 is with 6 suction ports, 61 conductings of air road on it, then auxiliary oil circuit oil outlet 52 and outside conducting, degree of vacuum difference DELTA P between oil outlet 52 and the measuring room is less, otherwise, when the suction port 61 that rotating shaft 7 rotates to through hole on it 71 and air road 6 is closed shape, then auxiliary oil circuit oil outlet 52 and outside sealing, the degree of vacuum difference DELTA P between oil outlet 52 and the measuring room is bigger.Certainly, need to prove that rotating shaft 7 also can be passed through alternate manner, as but the sealing mechanism on one group of occluded air road 6 is set in rotating shaft 7 in addition, also be feasible, just in rotating shaft 7, offer the most succinct and convenient processing of through hole 71, thus the utility model preferred the former.In the technique scheme, auxiliary oil circuit 5 helps in the start-up course mixing chamber 2 to be increased more amount of fuel, improve the concentration of fuel oil, thereby improve the success rate of engine start, the setting on air road 6 then is because motor when being in other operating mode of removing the startup, the fuel oil concentration of mixing chamber 2 need not too dense, too densely then can cause engine misses, for overcoming the generation of this type of situation, oil outlet 52 and outside atmosphere conducting, degree of vacuum difference between oil outlet 52 and the measuring room is reduced, and fuel oil is difficult for sucking-off from oil outlet 52, can effectively guarantee the normal operation of motor; Air-inlet cavity 11 places of Carburetor body 1 are not provided with chock plate, has only the rotating shaft 7 that constitutes air road 6 conductings or close, and auxiliary oil circuit 5 has overcome and has not had chock plate and mixing chamber 2 internal combustion oil concentration defect of insufficient when causing starting, so in start-up course, operator need not as in the past, remove the hand switch chock plate again, omitted operation, for its operation provides convenience to chock plate control.
In the utility model embodiment, the filler opening 51 of auxiliary oil circuit 5 and the suction port 61 on air road 6 are collected to an attachment hole 13 places by independently connecting 12, this attachment hole 13 is connected with the oil outlet 52 of auxiliary oil circuit 5 and the air outlet 62 on air road 6 by connecting passage 8, wherein, connecting passage 8 includes the b83 that is connected that connects road a81, is connected a81 and auxiliary oil channel 82 conductings with the auxiliary oil channel 82 of mixing chamber 2 conductings and formation.The oil outlet 52 of auxiliary oil circuit 5 and the air outlet 62 on air road 6 are all the auxiliary oil channel 82 with mixing chamber 2 conductings.Auxiliary oil circuit 5 and air road 6 are compiled by different connection roads 12, and by identical connecting passage 8 and mixing chamber 2 conductings, be provided with like this is because there is more passage in Carburetor body 1 inside, need get around and avoid to be connected when increasing auxiliary oil circuit 5 and air road 6 with other passage, so it is easy to process to adopt this kind to be provided with, and rationally distributed.Need to prove, if design condition allows, can also be feasible with assisting oil circuit 5 and air road to be arranged in 6 minutes also.And start when assisting oil circuit 5, because the relation of vacuum is arranged in the mixing chamber 2, can not flow into the suction port 61 on air road 6 and connect in the road 12 by the fuel oil of assisting oil circuit 5 filler openings 51 places to enter and locate.
Claims (5)
1. simple start diaphragm type carburetor, include Carburetor body (1), take shape in the main oil supply gallery on the Carburetor body (1), be provided with air-inlet cavity (11) in the main oil supply gallery, trunnion (14) and mixing chamber (2), trunnion (14) is located to be provided with for fuel injection to the interior main nozzle (3) of mixing chamber (2), be provided with the air throttle component (4) that startup control system fuel oil enters described mixing chamber (2) in the mixing chamber (2), air throttle component (4) comprises the throttle plate pin (41) that is arranged on the Carburetor body (1), be installed in described throttle plate pin (41) and go up and be arranged on rotatably the interior closure (42) of described mixing chamber (2), it is characterized in that: described Carburetor body (1) is provided with auxiliary oil circuit (5) and air road (6), the filler opening (51) of described auxiliary oil circuit (5) and measuring room (9) conducting, oil outlet (52) and mixing chamber (2) conducting, the suction port (61) on described air road (6) is in the air-inlet cavity (11) of Carburetor body (1) and locates, the air outlet (62) on air road (6) and mixing chamber conducting, the air-inlet cavity (11) of described Carburetor body (1) are located to be provided with throttle plate pin (41) interlock and are constituted and start space-time gas circuit (6) sealing, the rotating shaft (7) of other operating mode air road and outside conducting except that starting.
2. simple start diaphragm type carburetor according to claim 1, it is characterized in that: the filler opening (51) of described auxiliary oil circuit (5) and the suction port (61) of air road (6) are collected to an attachment hole (13) and locate by independently connecting (12), this attachment hole (13) is connected with the oil outlet (52) of auxiliary oil circuit (5) and the air outlet (62) of air road (6) by connecting passage (8), wherein, connecting passage (8) includes and connects road a (81), with the auxiliary oil channel (82) of mixing chamber (2) conducting and constitute be connected a(81) with auxiliary oil channel (82) conducting be connected b (83).
3. simple start diaphragm type carburetor according to claim 1 and 2 is characterized in that: the oil outlet (52) of described auxiliary oil circuit (5) and the air outlet (61) of air road (6) are all the auxiliary oil channel (82) with mixing chamber (2) conducting.
4. simple start diaphragm type carburetor according to claim 1 and 2 is characterized in that: the corresponding part that is positioned at the suction port (61) of air road (6) in the described rotating shaft (7) is provided with the through hole (71) with air road (6) suction port (61) and extraneous conducting.
5. simple start diaphragm type carburetor according to claim 3 is characterized in that: the corresponding part that is positioned at the suction port (61) of air road (6) in the described rotating shaft (7) is provided with the through hole (71) with air road (6) suction port (61) and extraneous conducting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201712941U CN201635868U (en) | 2010-04-27 | 2010-04-27 | Simple starting diaphragm carburetor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201712941U CN201635868U (en) | 2010-04-27 | 2010-04-27 | Simple starting diaphragm carburetor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201635868U true CN201635868U (en) | 2010-11-17 |
Family
ID=43080357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201712941U Expired - Fee Related CN201635868U (en) | 2010-04-27 | 2010-04-27 | Simple starting diaphragm carburetor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201635868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106460729A (en) * | 2015-07-10 | 2017-02-22 | 江门华联工业有限公司 | Carburetor with novel starter fuel system |
-
2010
- 2010-04-27 CN CN2010201712941U patent/CN201635868U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106460729A (en) * | 2015-07-10 | 2017-02-22 | 江门华联工业有限公司 | Carburetor with novel starter fuel system |
| CN106460729B (en) * | 2015-07-10 | 2019-03-15 | 江门华联工业有限公司 | A kind of carburetor with starting oil system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20140427 |