CN207348980U - The self closing door carburetor of petrol engine - Google Patents
The self closing door carburetor of petrol engine Download PDFInfo
- Publication number
- CN207348980U CN207348980U CN201721484471.XU CN201721484471U CN207348980U CN 207348980 U CN207348980 U CN 207348980U CN 201721484471 U CN201721484471 U CN 201721484471U CN 207348980 U CN207348980 U CN 207348980U
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- China
- Prior art keywords
- control
- carburetor
- air door
- petrol engine
- main air
- 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.)
- Withdrawn - After Issue
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- 238000003780 insertion Methods 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model belongs to technical field of engines, it is related to the self closing door carburetor of petrol engine, including carburetor, it is heated by the thermoswitch that petrol engine body heat controls in the shaft of rotation and is connected with actuating arm, actuating arm drives the rocking arm on the main shaft of control carburetor main air door aperture to rotate to control the aperture of main air door by push rod, is driven the rocking arm on the main shaft of control carburetor main air door aperture to rotate to control the aperture of main air door by the control-rod for the air pump that the vacuum cavitations in petrol engine air inlet pipe act;The arcuate socket with main shaft concentric is provided with the rocking arm, before cold starts and when main air door is closed, the outside drive end of push rod is located at the front end of arcuate socket, the utility model is installed on petrol engine, either cold starts or warm boot, main air door can be automatically opened or closed according to the opportunity of regulation, hand off the aperture of air door, the action of startup is simple, and the success rate of startup is high, it is possible to achieve one-key start.
Description
Technical field
The utility model belongs to technical field of engines, refers in particular to a kind of self closing door carburetor of petrol engine.
Background technology
At present, when unit or the put-put cold of family expenses start, it is usually first manually to close main air door, starts
After machine startup is caught fire, then main air door is opened manually, engine work;During warm boot, main wind is usually first opened manually
Men Zaihang operations start, and operation main air door so repeatedly is made troubles to user, and control is bad to also result in startup failure.
The content of the invention
The purpose of this utility model is to provide a kind of self closing door carburetor of petrol engine.
What the purpose of this utility model was realized in:
The self closing door carburetor of petrol engine, including carburetor, the thermoswitch controlled by petrol engine body heat
Actuating arm is connected with the heated shaft rotated, actuating arm is driven by push rod on the main shaft of control carburetor main air door aperture
Rocking arm rotates the control-rod band of the air pump to control the aperture of main air door, acted by the vacuum cavitations in petrol engine air inlet pipe
Rocking arm on the main shaft of dynamic control carburetor main air door aperture is rotated to control the aperture of main air door;It is provided with the rocking arm
With the arcuate socket of main shaft concentric, thermoswitch does not work and when main air door is closed, and the outside drive end of push rod is located at arc
The front end in hole;Thermoswitch does not work and in main air door standard-sized sheet, and the outside drive end of push rod is located at the rear end of arcuate socket.
The concrete structure of above-mentioned air pump is:Middle part in the housing of closing is provided with by the mobile film of negative pressure driving,
Housing cavity is divided into the pressure-sensitive chamber of side and the control chamber of opposite side by film, and gasoline engine can be connected by being provided with pressure-sensitive chamber
The pipe joint of machine air inlet pipe or conduit, the control-rod on film is fixed in control chamber and is stretched out outside housing, control chamber passes through side
Venthole on wall leads to air.
The concrete structure of above-mentioned air pump is:The enclosure interior of closing is provided with by the mobile piston of negative pressure driving, piston
Housing cavity is divided into the pressure-sensitive chamber of side and the control chamber of opposite side, be provided with pressure-sensitive chamber can connect petrol engine into
The pipe joint of tracheae or conduit, the control-rod on piston is fixed in control chamber and is stretched out outside housing, control chamber passes through on side wall
Venthole lead to air.
The concrete structure of above-mentioned rocking arm is:One end of rocking arm is fixed on the main shaft of control carburetor main air door aperture,
The control-rod of the other end of rocking arm and air pump is articulated and connected, and the upper end for the armstand that the other end of rocking arm upwardly extends at the same time is laterally prolonged
Stretching has arc panel, and the arcuate socket is provided with arc panel, when cold starts and main air door is closed, the drive end on the outside of push rod
Positioned at the front end of arcuate socket, cold starts and during main air door standard-sized sheet, and the outside drive end of push rod is located at the rear end of arcuate socket.
The main shaft of above-mentioned control carburetor main air door aperture, which is stretched out outside housing and fixed in end and one end of rocking arm, to be connected
Connect, the spring for promoting main shaft to be rotated to main air door closing direction is set with the main shaft between housing and rocking arm.
Above-mentioned push rod is to stretch out in the lower end of a side wall of inverted U bar and hinged, another with the outer end of actuating arm
In arcuate socket described in the lower end insertion of one side wall.
The limited block or limit of the minimum and maximum turned position of restricted actuating arm are set on the shell of above-mentioned thermoswitch
Position pin.
Brief description of the drawings
Fig. 1 is the schematic perspective view after the utility model is installed on petrol engine.
Fig. 2 is the schematic perspective view of the utility model.
Fig. 3 is the schematic diagram of one of the air pump structure of the utility model.
Fig. 4 is two schematic diagram of the air pump structure of the utility model.
Fig. 5 is the partial enlarged view of thermoswitch part in Fig. 2.
Fig. 6 is the A portions enlarged drawing in Fig. 2.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-Fig. 6:
The self closing door carburetor of petrol engine, including carburetor 10, are opened by the temperature-sensitive that petrol engine body heat controls
Close and actuating arm 54 is connected with the 50 heated shafts 52 rotated, actuating arm 54 drives control 10 main air door of carburetor by push rod 40
Rocking arm 12 on the main shaft 13 of 11 apertures is rotated to control the aperture of main air door 11, by the negative pressure in petrol engine air inlet pipe 30
The control-rod 21 of the air pump 20 of control action drives the rocking arm 12 on the main shaft 13 of 10 main air door of control carburetor, 11 aperture to rotate
To control the aperture of main air door 11;The arcuate socket 17 with 13 concentric of main shaft, thermoswitch 50 are provided with the rocking arm 12
Do not work and when main air door 11 is closed, the outside drive end 42 of push rod 40 is located at the front end of arcuate socket 17;Thermoswitch 50 is not
Work and in main air door standard-sized sheet, the outside drive end 42 of push rod 40 is located at the rear end of arcuate socket 17.
The concrete structure of above-mentioned air pump 20 is:Middle part in the housing 23 of closing is provided with by the thin of negative pressure driving movement
Housing cavity is divided into the pressure-sensitive chamber 26 of side and the control chamber 24 of opposite side, is provided with pressure-sensitive chamber 26 by film 25, film 25
Pipe joint or the conduit 31 of petrol engine air inlet pipe 30, the control-rod 21 being fixed in control chamber 24 on film 25 can be connected
Stretch out outside housing 23, control chamber 24 leads to air by the venthole 22 on side wall.
The concrete structure of above-mentioned air pump 20 is:The housing 28 of closing is internally provided with by the mobile piston of negative pressure driving
27,28 inner cavity of housing is divided into the pressure-sensitive chamber 26 of side and the control chamber 24 of opposite side by piston 27, is provided with pressure-sensitive chamber 26
Pipe joint or the conduit 31 of petrol engine air inlet pipe 30, the control-rod 21 being fixed in control chamber 24 on piston 27 can be connected
Stretch out outside housing, control chamber 24 leads to air by the venthole 22 on side wall.
The concrete structure of above-mentioned rocking arm 12 is:One end of rocking arm 12 is fixed on the master of control 10 main air door aperture of carburetor
On axis 13, the other end of rocking arm 12 is articulated and connected with the control-rod 21 of air pump 20, what the other end of rocking arm 12 upwardly extended at the same time
The upper end of armstand 15 has extended laterally arc panel 16, and the arcuate socket 17 is provided with arc panel 16, before cold starts and main
When air door 11 is closed, the outside drive end 42 of push rod 40 be located at the front end of arcuate socket 17, when cold startup and 11 standard-sized sheet of main air door,
The outside drive end 42 of push rod 40 is located at the rear end of arcuate socket 17, so starts in cold and thermoswitch does not have in harness state
Under, during air pump drives the opening of main air door 11, the drive end 42 of push rod 40 is motionless, and arcuate socket 17 is relative to arcuate socket 17
Interior drive end 42 rotates, until 11 standard-sized sheet of main air door, the action that main air door 11 rotates is driven without interference with air pump, with starting
The raising of machine bulk temperature, thermoswitch drive the drive end 42 of push rod 40 to be slided in arcuate socket 17 up to main air door standard-sized sheet,
During due to warm boot, thermoswitch control main air door is in fully open position, can directly initiate engine, hand off
The aperture of main air door.
It is outer and the one of end and rocking arm 12 that the main shaft 13 of 10 main air door of above-mentioned control carburetor, 11 aperture stretches out housing
End is fixedly connected, and is set with the main shaft 13 between housing and rocking arm 12 and is promoted what main shaft 13 was rotated to 11 closing direction of main air door
Spring 14.
Above-mentioned push rod 40 is transverse part 43 to be extended outward in the lower end of a side wall 41 of inverted U bar and by transverse part 43
Right angle bend and actuating arm 54 outer end is hinged, arcuate socket 17 that another side wall lower end (drive end 42) insertion is described
It is interior.
The limited block of restricted 54 minimum and maximum turned position of actuating arm is set on the shell of above-mentioned thermoswitch 50
Or spacer pin 51,53, the actuating arm 54 are fixed in the shaft 52 of thermoswitch 50.
The work of the utility model and beneficial have the technical effect that:
When petrol engine cold starts, main air door is closed the utility model, by the oil on control panel
Case switch is placed in open position, and after pressing one-key start/flameout switch, petrol engine, which starts, to catch fire, and passes through the negative of air inlet pipe
The automatic control-rod for inhaling pump of taking offence of pressure is mobile and then drives the rocking arm on the main shaft of control carburetor main air door aperture to rotate, and makes master
Air door is opened, petrol engine normal work;After pressing one-key start/flameout switch again, petrol engine stops working;Gasoline is sent out
During motivation warm boot, thermoswitch drives push rod by the actuating arm in shaft after being heated and controls the main wind of carburetor
Door is in an open position, can press one-key start/flameout switch and directly initiate engine;After petrol engine stops working, gas
It is equal with the pressure in control chamber to pump pressure-sensitive chamber, active force no longer is applied to main air door, with the reduction of temperature, thermoswitch leads to
The actuating arm drive push rod crossed in shaft progressively turns down the main air door of carburetor, until closing main wind under the action of resetting spring
Door so that the drive end 42 in the outside of push rod 40 is located at the front end of arcuate socket 17.So either cold start or warm boot,
Main air door can be automatically opened or closed according to the opportunity of regulation, hand off the aperture of main air door, the action letter of startup
Single, the success rate of startup is high, it is possible to achieve the one-key start of engine.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
Enclose, therefore:The equivalence changes that all structures, shape, principle according to the utility model are done, should all be covered by the protection of the utility model
Within the scope of.
Claims (7)
1. the self closing door carburetor of petrol engine, including carburetor, it is characterised in that:By the control of petrol engine body heat
Thermoswitch, which is heated in the shaft of rotation, is connected with actuating arm, and actuating arm passes through push rod and drives control carburetor main air door aperture
Rocking arm on main shaft rotates the air pump that to control the aperture of main air door, is acted by the vacuum cavitations in petrol engine air inlet pipe
Control-rod drives the rocking arm on the main shaft of control carburetor main air door aperture to rotate to control the aperture of main air door;The rocking arm
On be provided with arcuate socket with main shaft concentric, thermoswitch does not work and when main air door is closed, the outside drive end of push rod
Positioned at the front end of arcuate socket;Thermoswitch does not work and in main air door standard-sized sheet, and the outside drive end of push rod is located at arcuate socket
Rear end.
2. the self closing door carburetor of petrol engine according to claim 1, it is characterised in that:The tool of the air pump
Body structure is:Middle part in the housing of closing is provided with is divided into one by the mobile film of negative pressure driving, film by housing cavity
The pressure-sensitive chamber of side and the control chamber of opposite side, are provided with the pipe joint that can connect petrol engine air inlet pipe on pressure-sensitive chamber or lead
Manage, the control-rod on film is fixed in control chamber and is stretched out outside housing, control chamber leads to air by the venthole on side wall.
3. the self closing door carburetor of petrol engine according to claim 1, it is characterised in that:The tool of the air pump
Body structure is:The enclosure interior of closing is provided with is divided into side by the mobile piston of negative pressure driving, piston by housing cavity
The control chamber of pressure-sensitive chamber and opposite side, is provided with the pipe joint that can connect petrol engine air inlet pipe or conduit on pressure-sensitive chamber,
It is fixed on the control-rod on piston in control chamber to stretch out outside housing, control chamber leads to air by the venthole on side wall.
4. the self closing door carburetor of petrol engine according to claim 1, it is characterised in that:The tool of the rocking arm
Body structure is:One end of rocking arm is fixed on the main shaft of control carburetor main air door aperture, the control of the other end and air pump of rocking arm
Bar processed articulated connection, the upper end for the armstand that the other end of rocking arm upwardly extends at the same time have extended laterally arc panel, have been set on arc panel
The arcuate socket is equipped with, when cold starts and main air door is closed, the drive end on the outside of push rod is located at the front end of arcuate socket, cold
When startup and main air door standard-sized sheet, the outside drive end of push rod is located at the rear end of arcuate socket.
5. the self closing door carburetor of petrol engine according to claim 1, it is characterised in that:The control carburetion
The main shaft of device main air door aperture is stretched out outside housing and is fixedly connected in end with one end of rocking arm, the main shaft between housing and rocking arm
On be set with the spring for promoting main shaft to be rotated to main air door closing direction.
6. the self closing door carburetor of the petrol engine according to claim 1-5 any one, it is characterised in that:It is described
Push rod be stretch out in the lower end of a side wall of inverted U bar and with the outer end of actuating arm is hinged, under another side wall
In the end insertion arcuate socket.
7. the self closing door carburetor of the petrol engine according to claim 1-5 any one, it is characterised in that:It is described
Thermoswitch shell on the limited block or spacer pin of the minimum and maximum turned position of restricted actuating arm are set.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721484471.XU CN207348980U (en) | 2017-11-08 | 2017-11-08 | The self closing door carburetor of petrol engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721484471.XU CN207348980U (en) | 2017-11-08 | 2017-11-08 | The self closing door carburetor of petrol engine |
Publications (1)
Publication Number | Publication Date |
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CN207348980U true CN207348980U (en) | 2018-05-11 |
Family
ID=62354269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721484471.XU Withdrawn - After Issue CN207348980U (en) | 2017-11-08 | 2017-11-08 | The self closing door carburetor of petrol engine |
Country Status (1)
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CN (1) | CN207348980U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107725218A (en) * | 2017-11-08 | 2018-02-23 | 绿田机械股份有限公司 | The self closing door carburetor of petrol engine |
-
2017
- 2017-11-08 CN CN201721484471.XU patent/CN207348980U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107725218A (en) * | 2017-11-08 | 2018-02-23 | 绿田机械股份有限公司 | The self closing door carburetor of petrol engine |
CN107725218B (en) * | 2017-11-08 | 2023-12-26 | 绿田机械股份有限公司 | Automatic air door carburetor of gasoline engine |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20180511 Effective date of abandoning: 20231226 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20180511 Effective date of abandoning: 20231226 |