CN114810431A - Carburetor air door adjusting mechanism - Google Patents

Carburetor air door adjusting mechanism Download PDF

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Publication number
CN114810431A
CN114810431A CN202210477365.8A CN202210477365A CN114810431A CN 114810431 A CN114810431 A CN 114810431A CN 202210477365 A CN202210477365 A CN 202210477365A CN 114810431 A CN114810431 A CN 114810431A
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CN
China
Prior art keywords
axis
rotating shaft
adjustment mechanism
rotation
choke valve
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
Application number
CN202210477365.8A
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Chinese (zh)
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CN114810431B (en
Inventor
冯政杰
王磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Xingyu Electromechanical Technology Co ltd
Original Assignee
Yongkang Xingguang Electrical Appliance Manufacturing Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yongkang Xingguang Electrical Appliance Manufacturing Co ltd filed Critical Yongkang Xingguang Electrical Appliance Manufacturing Co ltd
Priority to CN202210477365.8A priority Critical patent/CN114810431B/en
Publication of CN114810431A publication Critical patent/CN114810431A/en
Application granted granted Critical
Publication of CN114810431B publication Critical patent/CN114810431B/en
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    • 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
    • F02M11/00—Multi-stage carburettors, Register-type carburettors, i.e. with slidable or rotatable throttling valves in which a plurality of fuel nozzles, other than only an idling nozzle and a main one, are sequentially exposed to air stream by throttling valve
    • F02M11/06—Other carburettors with throttling valve of flap or butterfly type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • 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
    • F02M17/00—Carburettors having pertinent characteristics not provided for in, or of interest apart from, the apparatus of preceding main groups F02M1/00 - F02M15/00
    • F02M17/36—Carburettors having fitments facilitating their cleaning
    • 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
    • F02M19/00—Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 - F02M17/00
    • F02M19/08—Venturis
    • 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
    • F02M19/00—Details, component parts, or accessories of carburettors, not provided for in, or of interest apart from, the apparatus of groups F02M1/00 - F02M17/00
    • F02M19/12—External control gear, e.g. having dash-pots

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

The invention discloses a carburetor air door adjusting mechanism, which is arranged in a carburetor main body, wherein the main body comprises a Venturi tube, a choke valve assembly and a throttle valve assembly, the choke valve assembly comprises a first rotating shaft and a choke valve arranged on the first rotating shaft, the first rotating shaft is connected with the main body through a first torsion spring, the throttle valve assembly comprises a second rotating shaft and a throttle valve arranged on the second rotating shaft, the second rotating shaft is connected with the main body through a second torsion spring, the adjusting mechanism comprises a first pull rope, the first end of the first pull rope is wound on the first rotating shaft, and the second end of the first pull rope penetrates through the Venturi tube and is wound on the second rotating shaft; namely, the mixing ratio of the gasoline and the fuel is changed along with the change of the mixing ratio of the gasoline and the fuel, so that the combustion is sufficient; whether the choke valve is blocked by sundries or not is also detected, the electromagnet and the switch are matched, the sundries on one side of the venturi tube are cleaned up through the first cleaning piece and the second cleaning piece, and meanwhile, the cleaning assembly is recovered to be in a normal state.

Description

Carburetor air door adjusting mechanism
Technical Field
The invention relates to the technical field of carburettors, in particular to a carburetor air door adjusting mechanism.
Background
The carburetor is a mechanical device which mixes a certain proportion of gasoline gas and air under the action of vacuum generated by the operation of an engine. A carburetor is a precise mechanical device which utilizes the kinetic energy of the intake air flow to atomize gasoline. Its important role in the engine may be referred to as the engine's "heart".
At present, general carburetor, the air door only has two states, air door full open state or air door full cut-off state promptly, and the in-process of use, when starting the engine, need manual control air door act as go-between with air damper to the closed condition, realize that the gas that gets into in the engine is more gaseous gasoline, make things convenient for the engine to start like this, accomplish simultaneously and start the back, become the air door to open under manual control, because the air admission volume can not adjust in practical application process, consequently when the change of throttle valve is controlled to the throttle valve, the air admission volume can not change, the burning can not be abundant all the time, the angle modulation of air door has the limitation, therefore we are necessary to improve, the condition that the air door blocked can appear in the carburetor of operation, also can not further detect it.
Disclosure of Invention
The invention provides a carburetor air door adjusting mechanism aiming at the defects in the prior art.
In order to solve the technical problems, the invention is solved by the following technical scheme: a carburetor damper adjustment mechanism is disposed in a carburetor body, the body including a venturi, a choke valve assembly and a throttle valve assembly, the choke valve assembly including a first rotary shaft and a choke valve disposed on the first rotary shaft, the first rotary shaft and the body being connected by a first torsion spring, the throttle valve assembly including a second rotary shaft and a throttle valve disposed on the second rotary shaft, the second rotary shaft and the body being connected by a second torsion spring, the adjustment mechanism including a first pull cord, a first end of the first pull cord being wound around the first rotary shaft, a second end of the first pull cord being wound around the second rotary shaft through the venturi; the first rotating shaft comprises a first shaft body and a second shaft body, the first pull rope is wound on the first shaft body, a fixed sleeve is arranged on the second shaft body, the first shaft body is sleeved in the fixed sleeve, a fixed rod is arranged on the first shaft body, a volute spring is arranged in the fixed sleeve, the fixed rod is connected with the center of the volute spring, and the outer side of the volute spring is connected with the fixed sleeve; when overcoming the second torsional spring and driving when the second axis of rotation rotates, under the drive of first stay cord, when the choke valve can rotate, the first axis body is overcome first torsional spring drives the second axis body simultaneously with the choke valve rotates, works as when the choke valve can not rotate, first axis body and dead lever rotate, and the second axis body does not rotate, drives the spiral spring holds up power.
In the above scheme, preferably, set up spacing subassembly between fixed cover and the primary shaft body, spacing subassembly includes horizontal pole and montant, the horizontal pole sets up perpendicularly on the installation face on the primary shaft body, wear out fixed cover sets up the montant, the montant slides in fixed cover, works as when the secondary shaft physical stamina rotates, the horizontal pole supports the montant, primary shaft body and secondary shaft body rotate together.
In the above scheme, it is preferable that a cleaning assembly is arranged in the venturi tube, the cleaning assembly comprises a first cleaning member and a second cleaning member, the first cleaning member and the second cleaning member are arranged on two sides of a first rotating shaft in a sliding manner, a transmission assembly is arranged in a tube body of the venturi tube, the transmission assembly comprises a plurality of pulleys and a second pull rope, a first magnetic member and a second magnetic member are arranged at two ends of the second pull rope, the first magnetic member is magnetically connected with the first cleaning member at a distance from the venturi tube, and the second magnetic member is magnetically connected with the second cleaning member at a distance from the venturi tube.
In the above scheme, preferably, the first magnetic member is heavier than the second magnetic member, the first magnetic member is located below the second magnetic member, the first cleaning block is located below the choke valve, the second cleaning block is located above the choke valve, an electromagnet is arranged at the bottom of the first magnetic member, and the opposite side of the electromagnet and the second magnetic member is a homopolar magnetic pole.
In the above scheme, it is preferable that the montant pass through first elastic component with fixed cover is connected, fixed cover rotates to be connected in the connecting hole in the venturi set up the switch of control electro-magnet in the connecting hole, work as the montant supports in the connecting hole, the electro-magnet starts.
In the above aspect, the first cleaning member and the second cleaning member preferably have tackiness thereon.
In the above scheme, preferably, a frame is arranged on one side of the main body, a locking mechanism is arranged between the frame and the main body, the locking mechanism comprises a limiting plate, a positioning rod, a handle and a base, the base is connected to the main body, the handle is arranged on the base, the surface of the handle, which is in contact with the base, is arranged in an inclined plane, the limiting plate is connected to the first rotating shaft, a limiting hole is formed in the limiting plate, a positioning part is arranged on the frame, and the positioning rod is arranged on the positioning part through a second elastic part.
In the above scheme, preferably, a third torsion spring is arranged on the limiting plate, the third torsion spring abuts against the handle, when the handle rotates, the inclined plane of the handle and the inclined plane of the base are staggered to drive the limiting plate to move to one side of the locating rod, and meanwhile, the limiting plate rotates, and the locating rod enters the limiting hole.
In the above aspect, preferably, the choke valve and the throttle valve are fixed to the first rotating shaft and the second rotating shaft by bolts, respectively.
The invention has the beneficial effects that: the first rotating shaft and the second shaft body are connected through the first pull rope, so that when the second rotating shaft and the accelerator are changed, the second rotating shaft is changed in a matching mode, namely, the mixing ratio of gasoline and fuel is changed along with the change of the second rotating shaft, and the combustion is sufficient; simultaneously first axis of rotation includes first axis body and second axis body, sets up fixed cover simultaneously between first axis body and second axis body, the dead lever, volute spiral spring and spacing subassembly, realizes when the choke valve is blocked by debris, first axis body rotates alone and the second axis body then is not rotating, further realizes detecting whether the choke valve is blockked up by debris, cooperates electro-magnet and switch simultaneously, through first cleaning member and the clean up of debris with venturi tube one side of second, clean subassembly resumes normal condition simultaneously.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of a frameless structure according to the present invention.
Fig. 3 is a schematic structural view of the first rotating shaft and the second rotating shaft inside the venturi according to the present invention.
Fig. 4 is a block diagram of a second shaft and stop assembly according to the present invention.
Fig. 5 is a cross-sectional view of the pouch of the present invention.
Fig. 6 is an enlarged view of fig. 5 at a.
Fig. 7 is a view showing the structure of a second shaft body according to the present invention.
Fig. 8 is a cross-sectional view of the present invention.
Fig. 9 is an enlarged view of fig. 8 at B.
Fig. 10 is a cross-sectional view of the present invention.
Fig. 11 is an enlarged view of fig. 10 at C.
Fig. 12 is a schematic view of the locking mechanism of the present invention mounted on the body.
FIG. 13 is a schematic view of the locking mechanism of the present invention.
FIG. 14 is a side view of the locking mechanism of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1-14, a carburetor damper adjustment mechanism is provided in a carburetor body 1, the body 1 includes a venturi 2, a choke assembly and a throttle assembly, the choke assembly and the throttle assembly are provided at both ends of the venturi 2, the diameter of the middle of the venturi 2 is reduced, and the air rushes into the choke 3 and mixes with the gasified fuel to enter the engine through a throttle 6.
The choke valve subassembly includes first axis of rotation 4 and sets up choke valve 3 on the first axis of rotation 4, first axis of rotation 4 crosses venturi 2 set up the recess on the inside first axis of rotation 4 of venturi 2 through bolt 36 fixed connection in the recess choke valve 3, choke valve 3 follows first axis of rotation 4 synchronous rotation will first axis of rotation 4 is connected through first torsional spring 5 in the main part 1, and works as when first torsional spring 5 does not have external force influence, the slope of choke valve 3 sets up in the venturi 2.
The throttle valve subassembly includes second axis of rotation 7 and sets up throttle valve 6 on the second axis of rotation 7, set up the recess on the second axis of rotation 7 equally connect throttle valve 6 through bolt 36 in the recess, connect through second torsional spring 8 between second axis of rotation 7 and the main part 1, throttle valve 6 with choke valve 3 rotation direction is the same, promptly first axis of rotation 4 is parallel with second axis of rotation 7.
Second axis of rotation 7 is connected with the throttle line, when changing the throttle, through the turning to of throttle 6 of throttle line control second axis of rotation 7, the variable of control air fuel mixture entering engine, adjustment mechanism includes first stay cord 9, the winding of the first end of first stay cord 9 is in on the first axis of rotation 4, the winding of the second end of first stay cord 9 is in on the second axis of rotation 7, work as when second torsional spring 8 rotates is overcome to second axis of rotation 7, first stay cord 9 will to the winding is gone up to second axis of rotation 7, consequently first axis of rotation 4 overcomes first torsional spring 5 and drives first axis of rotation 4 rotates.
Meanwhile, the feed amount is changed from small to large when the throttle valve 6 rotates, and the choke valve 3 is synchronously changed, so that the air and the fuel gas are synchronously changed when the speed is increased.
The adjusting structure further comprises a fixing sleeve 12, a fixing rod 13 and a volute spring 14, the first rotating shaft 4 comprises a first shaft body 10 and a second shaft body 11, the first pull rope 9 is wound on the first shaft body 10, the first shaft body 10 and the second shaft body 11 are connected through the fixing sleeve 12 and the fixing rod 13, the fixing sleeve 12 is arranged at one end of the second shaft body 11, one end of the first shaft body 10 is sleeved in the fixing sleeve 12, the volute spring 14 is arranged in the fixing sleeve 12, meanwhile, the outer end of the volute spring 14 is connected with the fixing sleeve 12 in an inner portion, the fixing rod 13 is arranged at the center of the first shaft body 10, and the fixing rod 13 is connected with the volute spring 14.
A certain intensity of friction force is set between the first shaft 10 and the fixed rod 13, the friction force is greater than the elastic force of the first torsion spring 5, when the choke valve 3 is freely movable and the throttle valve 6 rotates, the first shaft 10 and the second shaft 11 relatively keep still, the first torsion spring 5 is driven to rotate, and the choke valve 3 further rotates; when the choke valve 3 is blocked by the sundries and can not rotate, the second shaft body 11 can not move, and the first shaft body 10 drives the fixing rod 13 to rotate, so as to drive the volute spiral spring 14 to rotate.
Set up spacing subassembly between fixed cover 12 and the first axle body 10, spacing subassembly includes horizontal pole 15 and montant 16 the symmetry sets up two sets of horizontal poles 15 on the first axle body 10, passes fixed cover 12 and sets up montant 16, the quantity and the position of montant 16 all with horizontal pole 15 matches, works as promptly horizontal pole 15 is in when dead lever 13 drives down the rotation, horizontal pole 15 will support montant 16 drives fixed cover 12 and rotates together.
Preferably, an inclined plane is arranged on the vertical rod 16, the vertical rod 16 is connected to the fixing sleeve 12 through the first elastic piece 23, a connecting piece 25 is arranged on the outer side of the fixing sleeve 12, the connecting piece 25 is located in the connecting hole 24 of the venturi tube 2, the vertical rod 16 slides between the connecting pieces 25, when the choke valve 3 is clamped by sundries, the position of the fixing sleeve 12 cannot move relatively, the first shaft 10 drives the cross rod 15 to break through the limit of the vertical rod 16, and the first elastic piece 23 of the vertical rod 16 is overcome to move towards one side of the connecting hole 24.
Therefore, whether sundries on two sides of the exhaust pipe are blocked or not can be detected through the adjusting mechanism, and meanwhile after the sundries are determined, the venturi pipe 2 is cleaned through the matching of the cleaning components, each cleaning component comprises a first cleaning piece 20 and a second cleaning piece 21, the first cleaning piece 20 and the second cleaning piece 21 are combined to correspond to the upper end of the venturi pipe in an annular mode, meanwhile, the first cleaning piece 20 and the second cleaning piece 21 are separated by the first rotating shaft 4, namely, the first cleaning piece 20 and the second cleaning piece 21 are located on two sides of the first rotating shaft 4, and the first pull rope 9 is arranged at a position vertical to the position of the first rotating shaft 4.
The venturi 2 is provided with a first cavity, the first cavity is used for placing a second pull rope 17, two sets of cavities are arranged in a venturi 2 tube body parallel to the first pull rope 9, the bottom of the venturi 2 is connected with the cavities on two sides along the annularly arranged cavities, the second pull rope 17 slides in the first cavity, preferably, a pulley is arranged at the corner of the first cavity to facilitate the movement of the second pull rope 17, two ends of the second pull rope 17 are respectively provided with a first magnetic part 18 and a second magnetic part 19, the first cleaning part 20 and the first magnetic part 18 are magnetically connected with the venturi 2, and the second cleaning part 21 and the second magnetic part 19 are magnetically connected with the venturi 2.
Since the gravity of the first magnetic member 18 is set to be greater than that of the second magnetic member 19, and the choke valve 3 is obliquely disposed in the venturi tube 2, referring to fig. 8, first the main body 1 is disposed in the housing as shown in fig. 8, and the rotation direction of the first rotating shaft 4 is clockwise, the first magnetic member 18 and the first cleaning member 20 are disposed below the choke valve 3, and the second magnetic member 19 and the second cleaning member 21 are disposed above the choke valve 3, so that the moving direction of the first cleaning member 20 and the second cleaning member 21 matches the rotation direction of the choke valve 3.
The bottom of the first cavity is provided with an electromagnet 22, the electromagnet 22 and the magnetic pole at the opposite side of the first magnetic part 18 are homopolar magnetic poles, namely when the electromagnet 22 is electrified and has magnetism, under the action of repulsive magnetic force, the first magnetic part 18 moves upwards, and the second magnetic part 19 moves downwards, so that the venturi tube 2 positioned at the choke valve 3 is cleaned, preferably, the first cleaning block and the second cleaning block have viscosity, and further have better adsorbability on sundries.
The control electromagnet 22 is provided with a switch 26, said switch 26 being arranged outside said connection hole 24, said connecting element 25 being of "concave" shape in cross-section, and said stem 16 being connected in a central recess, so that said corresponding switch 26 is arranged in a position corresponding to said stem 16, said electromagnet 22 being activated when said stem 16 is in contact with said switch 26.
A frame 27 is arranged on one side of the main body 1, a locking mechanism is arranged between the frame 27 and the main body 1, the locking mechanism comprises a limiting plate 28, a positioning rod 29, a handle 30 and a base 31, and the first rotating shaft 4 penetrates out of the main body 1 and enters the frame 27.
A limit plate 28 is arranged on the first rotating shaft 4 in the frame 27, a limit hole 32 is arranged on the limit plate 28, a positioning part 33 is arranged on the frame 27, the positioning part 33 is connected with the positioning rod 29 through a second elastic part 34, namely, the second elastic part 34 is arranged between the positioning rod 29 and the positioning part 33 and penetrates out of the first rotating shaft 4 and the connecting base 31 of the main body 1, and the handle 30 is arranged between the base 31 and the limit plate 28.
The contact surface of the handle 30 and the base 31 is set to be in an inclined surface form, the limiting plate 28 is provided with a third torsion spring 35, the third torsion spring 35 abuts against the handle 30, when the handle 30 rotates, the inclined surface of the handle 30 and the inclined surface of the base 31 are staggered, the limiting plate 28 is driven to move to one side of the limiting rod 29, meanwhile, the limiting plate 28 rotates, the limiting rod 29 enters the limiting hole 32, when the first rotating shaft 4 rotates, only the limiting synchronous rotation is achieved, and the position of the limiting plate 28 cannot move, so that the limiting plate 28 and the limiting rod 29 are limited mutually, when the carburetor is disassembled, the choke valve 3 can be fixed in a normally open state through the control handle 30, and the internal condition can be observed conveniently.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (9)

1. A carburetor damper adjustment mechanism, the adjustment mechanism disposed in a carburetor body, the body including a venturi, a choke assembly and a throttle assembly, the choke assembly including a first axis of rotation and a choke disposed on the first axis of rotation, the first axis of rotation and the body connected by a first torsion spring, the throttle assembly including a second axis of rotation and a throttle disposed on the second axis of rotation, the second axis of rotation and the body connected by a second torsion spring, the adjustment mechanism characterized in that: the adjusting mechanism comprises a first pull rope, a first end of the first pull rope is wound on the first rotating shaft, and a second end of the first pull rope penetrates through the Venturi tube and is wound on the second rotating shaft;
the first rotating shaft comprises a first shaft body and a second shaft body, the first pull rope is wound on the first shaft body, a fixed sleeve is arranged on the second shaft body, the first shaft body is sleeved in the fixed sleeve, a fixed rod is arranged on the first shaft body, a volute spring is arranged in the fixed sleeve, the fixed rod is connected with the center of the volute spring, and the outer side of the volute spring is connected with the fixed sleeve;
when overcoming the second torsional spring and driving when the second axis of rotation rotates, under the drive of first stay cord, when the choke valve can rotate, the first axis body is overcome first torsional spring drives the second axis body simultaneously with the choke valve rotates, works as when the choke valve can not rotate, first axis body and dead lever rotate, and the second axis body does not rotate, drives the spiral spring holds up power.
2. A carburetor damper adjustment mechanism according to claim 1, wherein: set up spacing subassembly between fixed cover and the primary shaft body, spacing subassembly includes horizontal pole and montant, the horizontal pole sets up perpendicularly wear out on the installation face on the primary shaft body fixed cover sets up the montant, the montant slides and is in fixed cover, work as when the secondary shaft physical stamina rotates, the horizontal pole supports the montant, the primary shaft body rotates with the secondary shaft body together.
3. A carburetor damper adjustment mechanism according to claim 2, wherein: set up clean subassembly in the venturi, clean subassembly includes first clean piece and second clean piece, first clean piece and second clean piece slide and set up the both sides at first axis of rotation set up transmission subassembly in the body of venturi, transmission subassembly includes a plurality of pulleys and second stay cord both ends set up first magnetic part and second magnetic part, first magnetic part is separated by the venturi and is connected with first clean piece magnetism, second magnetic part is separated by the venturi and is connected with second clean piece magnetism.
4. A carburetor damper adjustment mechanism according to claim 3, wherein: the weight of the first magnetic part is larger than that of the second magnetic part, the first magnetic part is located below the second magnetic part, the first cleaning block is located below the choke valve, the second cleaning block is located above the choke valve, an electromagnet is arranged at the bottom of the first magnetic part, and homopolar magnetic poles are arranged on one side, opposite to the second magnetic part, of the electromagnet.
5. The carburetor damper adjustment mechanism according to claim 4, wherein: the montant pass through first elastic component with fixed cover is connected, fixed cover rotates to be connected in the connecting hole in the venturi set up the switch of control electro-magnet in the connecting hole, work as the montant is supported in the connecting hole, the electro-magnet starts.
6. A carburetor damper adjustment mechanism according to claim 3, wherein: the first cleaning member and the second cleaning member have tackiness thereon.
7. A carburetor damper adjustment mechanism according to claim 1, wherein: the automatic positioning device comprises a main body, and is characterized in that a frame is arranged on one side of the main body, a locking mechanism is arranged between the frame and the main body, the locking mechanism comprises a limiting plate, a positioning rod, a handle and a base, the base is connected to the main body, the handle is arranged on the base, the surface of the handle, which is contacted with the base, is arranged in an inclined plane, the limiting plate is connected to a first rotating shaft, a limiting hole is formed in the limiting plate, a positioning piece is arranged on the frame, and the positioning rod is arranged on the positioning piece through a second elastic piece.
8. A carburetor damper adjustment mechanism according to claim 7, wherein: the limiting plate is provided with a third torsion spring, the third torsion spring abuts against the handle, when the handle rotates, the inclined surface of the handle and the inclined surface of the base are staggered, the limiting plate is driven to move to one side of the locating rod, meanwhile, the limiting plate rotates, and the locating rod enters the limiting hole.
9. A carburetor damper adjustment mechanism according to claim 1, wherein: the choke valve and the throttle valve are fixed on the first rotating shaft and the second rotating shaft through bolts respectively.
CN202210477365.8A 2022-05-26 2022-05-26 Carburetor air door adjusting mechanism Active CN114810431B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210477365.8A CN114810431B (en) 2022-05-26 2022-05-26 Carburetor air door adjusting mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210477365.8A CN114810431B (en) 2022-05-26 2022-05-26 Carburetor air door adjusting mechanism

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CN114810431A true CN114810431A (en) 2022-07-29
CN114810431B CN114810431B (en) 2022-12-09

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS603467A (en) * 1983-06-20 1985-01-09 Walbro Far East Fuel stop device for float type carburetor
SU1474309A1 (en) * 1987-04-14 1989-04-23 Тольяттинский политехнический институт Carburettor for ic-engine
RU1340U1 (en) * 1993-01-05 1995-12-16 Акционерное общество открытого типа "ГАЗ" Carburetor control device
JPH1030501A (en) * 1996-07-17 1998-02-03 Honda Motor Co Ltd Starting fuel regulator of carburetor
JP2003201919A (en) * 2001-12-27 2003-07-18 Honda Motor Co Ltd Cleaning structure for choke valve control device in power working machine
US20140026854A1 (en) * 2011-04-15 2014-01-30 Husqvarna Ab Carburetor system for a carburetor engine
CN106988931A (en) * 2017-05-19 2017-07-28 威马农业机械有限公司 The choke and air throttle linkage controlling organization of engine and carburetor
CN109899180A (en) * 2018-05-21 2019-06-18 浙江星煜工贸有限公司 A kind of carburetor throttle regulating mechanism
CN210738698U (en) * 2019-11-14 2020-06-12 陈其安 Manual-automatic linkage control structure of carburetor
CN215333171U (en) * 2021-06-02 2021-12-28 浙江星煜机电科技股份有限公司 Anti-locking structure of carburetor air door

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS603467A (en) * 1983-06-20 1985-01-09 Walbro Far East Fuel stop device for float type carburetor
SU1474309A1 (en) * 1987-04-14 1989-04-23 Тольяттинский политехнический институт Carburettor for ic-engine
RU1340U1 (en) * 1993-01-05 1995-12-16 Акционерное общество открытого типа "ГАЗ" Carburetor control device
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Denomination of invention: A carburetor damper adjustment mechanism

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