CN110273785A - A kind of carburetor easily started - Google Patents
A kind of carburetor easily started Download PDFInfo
- Publication number
- CN110273785A CN110273785A CN201910680882.3A CN201910680882A CN110273785A CN 110273785 A CN110273785 A CN 110273785A CN 201910680882 A CN201910680882 A CN 201910680882A CN 110273785 A CN110273785 A CN 110273785A
- Authority
- CN
- China
- Prior art keywords
- valve rocker
- plane
- rotary valve
- rocker arm
- carburetor
- 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
- 230000001133 acceleration Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- F02M7/00—Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions
- F02M7/12—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves
- F02M7/14—Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves with means for controlling cross-sectional area of fuel spray nozzle
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of The Air-Fuel Ratio Of Carburetors (AREA)
- Means For Warming Up And Starting Carburetors (AREA)
Abstract
The invention discloses the carburetor that one kind easily starts, rotation valve rocker arm is provided with abutting part at the marginal position of rotary valve rocker handle, and abutting part is provided with lower edge and lower surface；Rotary valve rocker handle is provided with cylindrical surface and the first inclined-plane, and at first position, the first inclined-plane abuts rotary valve rocker handle with lower edge, and at the second position, cylindrical surface is abutted with lower surface, lifts for that will rotate valve rocker arm.By pushing rotary valve rocker handle manually, keep rotary valve rocker handle mobile to rotation valve rocker arm direction, the lower edge on valve rocker arm is rotated relative to the first inclined-plane along the first inclined-plane upward sliding, and when reaching the second position, lower surface is located on cylindrical surface, rotation valve rocker arm lifts, move up main spindle in needle stand, so that the aperture of idling jet increases, oil pump capacity increases, it realizes the effect of engine start enriching, and then easily starts up engine.
Description
Technical field
The present invention relates to Manufacturing Technology for Carburetors field, more particularly to a kind of carburetor easily started.
Background technique
Currently, for the increasingly requirement of tight emission regulation and engine to mixture ratio of fuel to oil example of reply day, carburetor system
It makes quotient and carburetor is usually set in determining fuel supply flow rate, after setting is correct, carburetor can mix with air fuel oil, supply
Engine combustion, and reach the requirement of emission regulation.But because it is contemplated that the problem of client starts, carburetor is usually in idle conditions
Under can thicken oil, to guarantee that it is convenient that client starts.Which adds exhaust gas discharge, a series of problems, such as extra fuel oil loss
Appearance.Carburetor structure is improved in order to solve the appearance of problems, makes it have preferably starting effect, and effectively drop
The amount of fuel of low idle system can more meet emission regulation to reach the starting performance for reducing oil consumption and guaranteeing engine.
Therefore, how a kind of carburetor easily started easily start up, save fuel, reducing discharge is provided, is this field
The problem of technical staff's urgent need to resolve.
Summary of the invention
In view of this, the present invention provides a kind of carburetors easily started for easily starting up, saving fuel, reducing discharge.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of carburetor easily started, the carburetor top are provided with rotation valve rocker arm and rotary valve rocker handle, institute
State rotation valve rocker arm and the rotary valve integrally connected for controlling air inflow；Acceleration cable is additionally provided on the rotation valve rocker arm
Bracket, the acceleration cable bracket are connect by acceleration cable with throttle；The carburetor is internally provided with main spindle and needle stand,
It is fixedly connected by rotary valve attachment screw with the rotation valve rocker arm at the top of the main spindle, institute is inserted into the main spindle bottom
It states inside needle stand, and is moved up and down in the needle stand, with the aperture to the idling jet being provided on the needle stand side wall
It is adjusted, the rotary valve rocker handle runs through and is slidably connected in receiver, and the receiver is integrally attached to described
On carburetor；
The rotation valve rocker arm is provided with abutting part, the abutting at the marginal position of the rotary valve rocker handle
Portion is provided with lower edge and lower surface；
The rotary valve rocker handle is provided with cylindrical surface and the first inclined-plane, and the rotary valve rocker handle is in first position
When, first inclined-plane is abutted with the lower edge, and at the second position, the cylindrical surface is abutted with the lower surface, and being used for will
The rotation valve rocker arm lifts.
It can be seen via above technical scheme that compared with prior art, easily started up the present disclosure provides a kind of
Carburetor keeps rotary valve rocker handle mobile to rotation valve rocker arm direction, rotary valve by pushing rotary valve rocker handle manually
Lower edge on rocker arm is relative to the first inclined-plane along the first inclined-plane upward sliding, and when reaching the second position, lower surface is located at
On cylindrical surface, rotation valve rocker arm is lifted, and moves up main spindle in needle stand, so that the aperture of idling jet increases, oil pump capacity
Increase, realize the effect of engine start enriching, and then easily starts up engine.
Further, the rotary valve rocker handle includes: press section and cylindrical portion, and described cylindrical portion one end is pressed with described
Splenium integrally connected, the cylindrical portion run through and are slidably connected in the receiver, and the cylindrical portion outer surface is the circle
Cylinder, the cylindrical portion other end are provided with first inclined-plane, and first inclined-plane is connected with the cylindrical surface.
Further, the cylindrical portion other end is provided with the second inclined-plane, and second inclined-plane and first inclined-plane are held in the mouth
It connects；The cylindrical portion offers clamping groove close to the position on second inclined-plane, and the rotation valve rocker arm edge is provided with card
Socket part, at first position, the clamping portion outer surface is abutted with second inclined-plane, at the second position clamping portion with
The clamping groove clamping.
The beneficial effect generated by adopting the above technical scheme is effectively to consolidate rotation valve rocker arm with rotary valve rocker handle
It is scheduled on the second position, prevents engine from just having started rotary valve rocker handle and the generation for loosening and causing rollback phenomenon occurs, is guaranteed
It is worked normally.
Further, the cylindrical portion outer surface offers guide groove along its length, on the receiver with it is described
Guiding groove location corresponding position is provided with guide pin, and the guide pin is slidably connected with the guide groove.
The beneficial effect generated by adopting the above technical scheme is, convenient for the linear movement of rotary valve rocker handle, guarantee with
Rotate the accuracy of valve rocker arm active position.
Further, reset spring is provided between the press section and the receiver.
The beneficial effect generated by adopting the above technical scheme is after the engine started, to pass through oil as long as opening the throttle
Door bracing wire pulls the acceleration cable bracket on rotation valve rocker arm, so that rotation valve rocker arm rotation, and then clamping portion is made to be detached from clamping
Groove, rotary valve rocker handle automatically return to initial position under the action of reset spring, meanwhile, main spindle returns to initial bit
It sets, waits subsequent operation.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is a kind of structural schematic diagram of the carburetor easily started up provided by the invention.
Fig. 2 attached drawing is the overlooking structure diagram of Fig. 1.
Fig. 3-Fig. 4 attached drawing is the structural schematic diagram for rotating valve rocker arm.
Fig. 5 attached drawing is the structural schematic diagram of rotary valve rocker handle.
Fig. 6-Fig. 7 attached drawing is rotation valve rocker arm and structural schematic diagram of the rotary valve rocker handle at first position.
Fig. 8-Fig. 9 attached drawing is rotation valve rocker arm and structural schematic diagram of the rotary valve rocker handle at the second position.
Wherein: 1- rotates valve rocker arm, 11- abutting part, the lower edge 111-, the lower surface 112-, the clamping portion 12-, 2- rotary valve
Rocker handle, the press section 21-, 22- cylindrical portion, the cylindrical surface 201-, the first inclined-plane 202-, the second inclined-plane 203-, 204- are clamped ditch
Slot, 205- guide groove, 3- acceleration cable bracket, the main spindle of 4-, 5- needle stand, 6- attachment screw, 7- receiver, 8- guide pin, 9-
Reset spring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses the carburetor that one kind easily starts, carburetor top is provided with rotation valve rocker arm 1 and rotation
Rotary valve rocker handle 2, rotation valve rocker arm 1 and the rotary valve integrally connected for controlling air inflow；It is also set up on rotation valve rocker arm 1
There is acceleration cable bracket 3, acceleration cable bracket 3 is connect by acceleration cable with throttle；Carburetor is internally provided with main 4 He of spindle
Needle stand 5 is fixedly connected at the top of main spindle 4 with rotation valve rocker arm 1 by rotary valve attachment screw 6, main 4 bottom of spindle insertion needle stand
It inside 5, and moves up and down in needle stand 5, is adjusted with the aperture to the idling jet being provided on 5 side wall of needle stand, revolved
Rotary valve rocker handle 2 runs through and is slidably connected in receiver 7, and receiver 7 is integrally attached on carburetor；
Rotation valve rocker arm 1 is provided with abutting part 11 at the marginal position of rotary valve rocker handle 2, and abutting part 11 is arranged
There are lower edge 111 and lower surface 112；
Rotary valve rocker handle 2 is provided with cylindrical surface 201 and the first inclined-plane 202, and rotary valve rocker handle 2 is in first position
When, the first inclined-plane 202 is abutted with lower edge 111, and at the second position, cylindrical surface 201 is abutted with lower surface 112, for that will rotate
Valve rocker arm 1 lifts.
Rotary valve rocker handle 2 includes: press section 21 and cylindrical portion 22, and 22 one end of cylindrical portion integrally connects with press section 21
It connects, cylindrical portion 22 runs through and is slidably connected in receiver 7, and 22 outer surface of cylindrical portion is cylindrical surface 201,22 other end of cylindrical portion
It is provided with the first inclined-plane 202, the first inclined-plane 202 is connected with cylindrical surface 201.
22 other end of cylindrical portion is provided with the second inclined-plane 203, and the second inclined-plane 203 is connected with the first inclined-plane 202；Cylindrical portion 22
Clamping groove 204 is offered close to the position on the second inclined-plane 203, rotation 1 edge of valve rocker arm is provided with clamping portion 12, at first
12 outer surface of clamping portion is abutted with the second inclined-plane 203 when setting, and at the second position, clamping portion 12 and clamping groove 204 are clamped.
22 outer surface of cylindrical portion offers guide groove 205 along its length, on receiver 7 with 205 position pair of guide groove
Should place be provided with guide pin 8, guide pin 8 is slidably connected with guide groove 205.
Reset spring 9 is provided between press section 21 and receiver 7.
A kind of working principle of carburetor easily started up provided by the invention is as follows:
Rotary valve rocker handle 2 is pushed manually, is kept rotary valve rocker handle 2 mobile to rotation 1 direction of valve rocker arm, is led at this time
It is slided to pin relative to guide groove, rotates the lower edge 111 on valve rocker arm 1 relative to the first inclined-plane 202 along the first inclined-plane 202
Upward sliding, reset spring 9 compress, clamping portion 12 relative to the second inclined-plane 203 along 203 upward sliding of the second inclined-plane, when reaching
When to the second position, lower surface 112 is located on cylindrical surface 201, and clamping portion 12 is connected in clamping groove 204, and rotary valve is shaken
Arm handle is fixed, and prevents the elastic force because of reset spring 9 from making its rollback, is rotated valve rocker arm 1 at this time and is lifted, makes main spindle 4 in needle
It is moved up in seat 5, so that the aperture of idling jet increases, oil pump capacity increases, and realizes the effect of engine start enriching, and then make
Engine easily starts up.
After the engine started, as long as opening the throttle the acceleration cable branch pulled by acceleration cable on rotation valve rocker arm
Frame 3, so that rotation valve rocker arm 1 rotates, so that increasing with the rotation valve opening of rotation 1 integrally connected of valve rocker arm, so that engine
When starting air capacity increase, improve engine start revolving speed, at the same rotate valve rocker arm 1 rotate when, clamping portion 12 be detached from clamping
Groove 204, rotary valve rocker handle 2 automatically return to initial position under the action of reset spring 9, meanwhile, main spindle 4 returns to
Initial position guarantees that carburetor has restored normal fuel injection again under idle conditions, reduces fuel consumption and reduce discharge.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (5)
1. the carburetor that one kind easily starts, the carburetor top is provided with rotation valve rocker arm (1) and rotary valve rocker handle
(2), rotation valve rocker arm (1) and the rotary valve integrally connected for controlling air inflow；It is also set on the rotation valve rocker arm (1)
It is equipped with acceleration cable bracket (3), the acceleration cable bracket (3) is connect by acceleration cable with throttle；Inside the carburetor
It is provided with main spindle (4) and needle stand (5), is shaken by rotary valve attachment screw (6) with the rotary valve at the top of the main spindle (4)
Arm (1) is fixedly connected, and it is internal that the needle stand (5) is inserted into main spindle (4) bottom, and moves up and down in the needle stand (5),
It is adjusted with the aperture to the idling jet being provided on the needle stand (5) side wall, which is characterized in that the rotary valve shakes
Arm handle (2) runs through and is slidably connected in receiver (7), and the receiver (7) is integrally attached on the carburetor；
Rotation valve rocker arm (1) is provided with abutting part (11), institute at the marginal position of the rotary valve rocker handle (2)
It states abutting part (11) and is provided with lower edge (111) and lower surface (112)；
The rotary valve rocker handle (2) is provided with cylindrical surface (201) and the first inclined-plane (202), the rotary valve rocker handle
(2) at first position, first inclined-plane (202) abuts with the lower edge (111), the cylindrical surface at the second position
(201) it is abutted with the lower surface (112), for lifting the rotation valve rocker arm (1).
2. the oily device of the China that one kind according to claim 1 easily starts, which is characterized in that the rotary valve rocker handle (2)
It include: press section (21) and cylindrical portion (22), described cylindrical portion (22) one end and the press section (21) integrally connected, the circle
Column portion (22) runs through and is slidably connected in the receiver (7), and cylindrical portion (22) outer surface is the cylindrical surface
(201), cylindrical portion (22) other end is provided with first inclined-plane (202), first inclined-plane (202) and the cylinder
Face (201) linking.
3. the carburetor that one kind according to claim 2 easily starts, which is characterized in that cylindrical portion (22) other end is set
It is equipped with the second inclined-plane (203), second inclined-plane (203) is connected with first inclined-plane (202)；The cylindrical portion (22) is close
The position of second inclined-plane (203) offers clamping groove (204), and rotation valve rocker arm (1) edge is provided with clamping portion
(12), at first position, clamping portion (12) outer surface is abutted with second inclined-plane (203), at the second position described in
Clamping portion (12) and the clamping groove (204) are clamped.
4. the carburetor that one kind according to claim 2 easily starts, which is characterized in that cylindrical portion (22) the outer surface edge
Its length direction offers guide groove (205), is provided on the receiver (7) with the guide groove (205) position corresponding position
Guide pin (8), the guide pin (8) are slidably connected with the guide groove (205).
5. the carburetor that one kind according to claim 2 easily starts, which is characterized in that the press section (21) and the set
Reset spring (9) are provided between cylinder base (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910680882.3A CN110273785B (en) | 2019-07-26 | 2019-07-26 | Carburetor easy to start |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910680882.3A CN110273785B (en) | 2019-07-26 | 2019-07-26 | Carburetor easy to start |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110273785A true CN110273785A (en) | 2019-09-24 |
| CN110273785B CN110273785B (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910680882.3A Active CN110273785B (en) | 2019-07-26 | 2019-07-26 | Carburetor easy to start |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110273785B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5942160A (en) * | 1996-10-29 | 1999-08-24 | U.S.A. Zama, Inc. | Rotary throttle valve type carburetor |
| US20030111743A1 (en) * | 2001-12-07 | 2003-06-19 | Shinichi Ohgane | Starting assembly for a carburetor |
| US20060170120A1 (en) * | 2005-02-02 | 2006-08-03 | Walbro Engine Management, L.L.C. | Engine start device of a rotary valve carburetor |
| US20060273471A1 (en) * | 2005-06-03 | 2006-12-07 | Walbro Engine Management | Start assist device for a rotary carburetor |
| CN201448164U (en) * | 2009-06-23 | 2010-05-05 | 浙江瑞星化油器制造有限公司 | Changeable carburetor of injection nozzle |
| CN201661383U (en) * | 2010-02-09 | 2010-12-01 | 陈俭敏 | Start-up enrichment system and carburetor employing same |
| CN102828854A (en) * | 2012-09-25 | 2012-12-19 | 陈其安 | Simple starting carburetor |
| CN103883430A (en) * | 2012-12-22 | 2014-06-25 | 安德烈亚斯·斯蒂尔两合公司 | Carburetor For A Hand-held Work Device And Hand-held Work Device |
| US20140196688A1 (en) * | 2013-01-04 | 2014-07-17 | Qian Chen | One-step starting carburetor |
| CN204003157U (en) * | 2014-08-22 | 2014-12-10 | 福建华龙化油器有限公司 | Adjustable and the seal arrangement of a kind of idling flow |
| CN204783327U (en) * | 2015-06-11 | 2015-11-18 | 江门华联工业有限公司 | Simply start rotation type carburetor |
| CN107859574A (en) * | 2017-11-16 | 2018-03-30 | 江门华联工业有限公司 | A kind of push type rotary valve carburetor |
| CN210289960U (en) * | 2019-07-26 | 2020-04-10 | 福建华龙化油器有限公司 | Carburetor easy to start |
-
2019
- 2019-07-26 CN CN201910680882.3A patent/CN110273785B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5942160A (en) * | 1996-10-29 | 1999-08-24 | U.S.A. Zama, Inc. | Rotary throttle valve type carburetor |
| US20030111743A1 (en) * | 2001-12-07 | 2003-06-19 | Shinichi Ohgane | Starting assembly for a carburetor |
| US20060170120A1 (en) * | 2005-02-02 | 2006-08-03 | Walbro Engine Management, L.L.C. | Engine start device of a rotary valve carburetor |
| US20060273471A1 (en) * | 2005-06-03 | 2006-12-07 | Walbro Engine Management | Start assist device for a rotary carburetor |
| CN201448164U (en) * | 2009-06-23 | 2010-05-05 | 浙江瑞星化油器制造有限公司 | Changeable carburetor of injection nozzle |
| CN201661383U (en) * | 2010-02-09 | 2010-12-01 | 陈俭敏 | Start-up enrichment system and carburetor employing same |
| CN102828854A (en) * | 2012-09-25 | 2012-12-19 | 陈其安 | Simple starting carburetor |
| CN103883430A (en) * | 2012-12-22 | 2014-06-25 | 安德烈亚斯·斯蒂尔两合公司 | Carburetor For A Hand-held Work Device And Hand-held Work Device |
| US20140196688A1 (en) * | 2013-01-04 | 2014-07-17 | Qian Chen | One-step starting carburetor |
| CN204003157U (en) * | 2014-08-22 | 2014-12-10 | 福建华龙化油器有限公司 | Adjustable and the seal arrangement of a kind of idling flow |
| CN204783327U (en) * | 2015-06-11 | 2015-11-18 | 江门华联工业有限公司 | Simply start rotation type carburetor |
| CN107859574A (en) * | 2017-11-16 | 2018-03-30 | 江门华联工业有限公司 | A kind of push type rotary valve carburetor |
| CN210289960U (en) * | 2019-07-26 | 2020-04-10 | 福建华龙化油器有限公司 | Carburetor easy to start |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110273785B (en) | 2024-01-30 |
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