CN106523191A - Plastic carburetor - Google Patents
Plastic carburetor Download PDFInfo
- Publication number
- CN106523191A CN106523191A CN201610715177.9A CN201610715177A CN106523191A CN 106523191 A CN106523191 A CN 106523191A CN 201610715177 A CN201610715177 A CN 201610715177A CN 106523191 A CN106523191 A CN 106523191A
- Authority
- CN
- China
- Prior art keywords
- plastics
- plastic
- rotary valve
- lubricating cup
- cabinet
- 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
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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
-
- 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
- F02M19/04—Fuel-metering pins or needles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a plastic carburetor. The plastic carburetor comprises an oil needle kit, a plastic case and an oil cup assembly. The oil needle kit is mainly made of plastic and comprises a plastic rotary valve, a plastic stay wire head, an aluminum main measuring needle sleeve, a plastic rotary valve rocker arm, a rocker arm spring and a plastic plunger. The plastic carburetor is made of plastic, weight can be reduced, and in addition, machining difficult is low. According to the integrally-molded plastic case, integral molding can be achieved through grinding tool injection molding; splicing steps of components are reduced; and structural complexity of products is lowered. The oil cup assembly is also made of plastic; and a measuring chamber membrane and a measuring chamber gasket are additionally arranged between a plastic carburetor seat and a plastic lower body, and sealing performance of the oil cup assembly can be further improved. The oil needle kit and the oil cup assembly are fixedly connected to the plastic case through screws; the connection mode is simple; and disassembly for replacement or maintenance can be conducted conveniently at the later stage.
Description
Technical field
The present invention relates to a kind of carburetor, relates in particular to a kind of plastics carburetor.
Background technology
The continuous progress of modern sport machinery at any time, general gasoline engines have obtained extensive development.Carburetor is used as vapour
Using the kinetic energy of suction air stream, accurate core component in oil turbine and gasoline engine generator, realizes that the atomization to gasoline is made
With.Carburetor can be according to the different working condition demand of engine, and automatic mixing goes out corresponding gas concentration, exports respective amount
Gaseous mixture.In vehicle launch to during running at high speed, acceleration cable drives rotary valve to rotate, and then progressively reaches carburetor
The effect of high speed operation.
Carburetor of the prior art, parts are more, under the conditions of different travelings, such as high temperature, high humidity, High aititude,
During traveling excess load, easily there is each part connection sealing problem, cause oil gas to reveal, affect power output, or even occur
It is dangerous.
The content of the invention
For this purpose, the technical problem to be solved is that carburetor parts are more in prior art, each parts
Problem is easily caused in different driving conditions seal performances, engine power output is affected.
For solving above-mentioned technical problem, the technical scheme for being adopted of the present invention：
A kind of plastics carburetor, comprising：Spindle external member, cabinet, lubricating cup component；Wherein,
Spindle external member；Further include：
Plastics rotary valve, side are provided with fan-shaped swing area, middle to run through the main metering pin set of plastics；Another side region is provided with logical
Plastics pull wire head is run through in hole；
Plastics pull wire head, is being bolted with snap ring through the plastics rotary valve side；
Main metering pin set, center are arranged with aluminium spindle, be arranged with rubber dust-proof plug, and run through after through the plastics rotary valve
Plastics rotary valve rocking arm, lower end is provided with screw thread；
Plastics rotary valve rocking arm, is provided with plastics rotary valve spacing preiection, for when the plastics rotary valve is moved back and forth, blocking
The plastics rotary valve, bottom are contacted with iron priming lever spring, are provided with adjustment screw hole, are connected with adjustment screw；
Priming lever spring, it is middle to run through plug made of plastics material；
Plug made of plastics material, column body are provided with screw thread, connect through the plastics rotary valve rocking arm with the main metering pin set spiral
Connect；
Cabinet is integrally formed, the middle setting of upper surface has spindle external member storage area, the plastics of the spindle external member
Plunger is stretched in spindle external member storage area, is also connected with adjustment screw seat between spindle external member and cabinet, adjusts screw seat
On be provided with screw hole, by screw by adjust screw seat be fixed on cabinet, it is described adjustment screw seat on be additionally provided with
Cable guide hole, be spirally connected cable guide, and the side spiral of the cabinet is connected with oil plant mixing ratio adjustment knob, lower surface
It is connected with lubricating cup component；
Lubricating cup component, further includes：
Lubricating cup pressing plate, it is middle to accommodate plastics lubricating cup；
Plastics lubricating cup, upper end are set in the lubricating cup pressing plate, and lower end is located in the middle of plastics oil syringe seat；
Plastics oil syringe seat, lower end are folded with the measuring room diaphragm of quality of rubber materials；
Measuring room diaphragm, lower end are contacted with the measuring room pad of quality of rubber materials；
Measuring room pad, lower end are contacted with plastics lower body；
Run through the lubricating cup pressing plate, plastics lubricating cup, plastics oil syringe seat, measuring room diaphragm, measuring room by four screws
Pad, plastics lower body rear screw connect the lower surface of the cabinet.
Once be lined between the lubricating cup component and the cabinet pump cover lower gasket, pump cover pad, pump cover Upper gasket,
Pump cover diaphragm.
The main metering pin set, is plugged with spindle sealing-plug after being arranged with aluminium spindle.
The above-mentioned technical proposal of the present invention has advantages below compared to existing technology.
1. a kind of plastics carburetor of the present invention, comprising：Spindle external member, cabinet, lubricating cup component.Wherein spindle external member
Mainly adopt plastic material, comprising plastics rotary valve, plastics pull wire head, the main metering pin set of aluminum, plastics rotary valve rocking arm, priming lever spring,
Plug made of plastics material, using plastic material, can mitigate weight, and have relatively low difficulty of processing.Integrally formed cabinet, profit
It is molded with grinding tool and be capable of achieving global formation, is reduced the assembled step of parts, reduce the construction complexity of product.Lubricating cup
Component is also adopted by plastics, and sets up measuring room diaphragm and measuring room pad between plastics oil syringe seat and plastics lower body, can be with
The seal of lubricating cup component is lifted further.Spindle external member, lubricating cup component are fixedly connected on by cabinet by screw, are connected
Mode is simple, facilitates later stage dismounting to replace or keep in repair.
2. had additional under pump cover successively between the lubricating cup component and the cabinet of a kind of plastics carburetor of the present invention
Pad, pump cover pad, pump cover Upper gasket, pump cover diaphragm, pad can increase the sealing between lubricating cup component and cabinet,
Prevent oil gas from overflowing.
Description of the drawings
In order that present disclosure is more likely to be clearly understood, the specific embodiment below according to the present invention is simultaneously combined
Accompanying drawing, the present invention is further detailed explanation, wherein,
Fig. 1 is a kind of stereogram of plastics carburetor of the invention；
Fig. 2 is a kind of another width stereogram of plastics carburetor of the invention；
Fig. 3 is a kind of schematic diagram of the spindle external member of plastics carburetor of the invention；
Fig. 4 is a kind of structural decomposition diagram of the spindle external member of plastics carburetor of the invention；
Fig. 5 is a kind of lubricating cup component diagram of plastics carburetor of the invention；
Fig. 6 is a kind of structural decomposition diagram of the lubricating cup component of plastics carburetor of the invention；
Fig. 7 is that a kind of lubricating cup component of plastics carburetor of the invention is illustrated with the STRUCTURE DECOMPOSITION of cabinet annexation
Figure.
In figure, reference is expressed as：1- spindle external members；11- plastics rotary valves；12- plastics pull wire head；The main metering pin sets of 13-；
131- aluminium spindles；132- rubber dust-proof plugs；14- plastics rotary valve rocking arms；15- priming lever springs；16- plug made of plastics material；2- cabinets；
3- lubricating cup components；31- lubricating cup pressing plates；32- plastics lubricating cups；33- plastics oil syringe seats；34- measuring room diaphragms；35- measuring room pads
Piece；36- plastics lower bodies；4- adjusts screw seat；41- cable guides；5- pump cover lower gaskets；6- pump cover pads；7- pump cover Upper gaskets；
8- pump cover diaphragms.
Specific embodiment
A kind of plastics carburetor as shown in figs. 1-7, comprising：Spindle external member 1, cabinet 2, lubricating cup component 3.Wherein,
Spindle external member 1；Further include：
Plastics rotary valve 11, side are provided with fan-shaped swing area, middle to cover 13 through the main metering pin of plastics；Another side region is arranged
There is through hole to run through plastics pull wire head.
Plastics pull wire head 12, is being bolted with snap ring through the plastics rotary valve side.
Main metering pin set 13, center is arranged with aluminium spindle 131, after through the plastics rotary valve is arranged with rubber dust-proof plug
132, and run through plastics rotary valve rocking arm, lower end is provided with screw thread.
Plastics rotary valve rocking arm 14, is provided with plastics rotary valve spacing preiection, for when the plastics rotary valve is moved back and forth, blocking
Plastics rotary valve is stated in residence, and bottom is contacted with iron priming lever spring, is provided with adjustment screw hole, is connected with adjustment screw.
Priming lever spring 15, it is middle to run through plug made of plastics material 16.
Plug made of plastics material 16, column body is provided with screw thread, covers 13 spiral shells through the plastics rotary valve rocking arm with the main metering pin
Rotation connection.The column cap middle setting of the plug made of plastics material 16 has manhole.
Cabinet 2 is integrally formed, the middle setting of upper surface has spindle external member storage area, the modeling of the spindle external member 1
Stock column plug 16 is stretched in spindle external member storage area, is also connected with adjustment screw seat 4, adjusts spiral shell between spindle external member and cabinet
Screw hole is provided with silk seat 4, is fixed on screw seat is adjusted on cabinet 2 by screw, on the adjustment screw seat 4 also
Cable guide hole is provided with, be spirally connected cable guide 41, the side spiral of the cabinet is connected with the adjustment rotation of oil plant mixing ratio
Button, lower surface are connected with lubricating cup component.
Lubricating cup component 3, further includes：
Lubricating cup pressing plate 31, it is middle to accommodate plastics lubricating cup.
Plastics lubricating cup 32, upper end are set in the lubricating cup pressing plate, and lower end is located in the middle of plastics oil syringe seat.
Plastics oil syringe seat 33, lower end are folded with the measuring room diaphragm 34 of quality of rubber materials.
Measuring room diaphragm 34, lower end are contacted with the measuring room pad 35 of quality of rubber materials.
Measuring room pad 35, lower end are contacted with the plastics lower body 36 of quality of rubber materials.
Run through the lubricating cup pressing plate 31, plastics lubricating cup 32, plastics oil syringe seat 33, measuring room diaphragm by four screws
34th, measuring room pad 35,36 rear screw of plastics lower body connect the lower surface of the cabinet.
Once it is lined between the lubricating cup component and the cabinet on pump cover lower gasket 5, pump cover pad 6, pump cover and pads
Piece 7, pump cover diaphragm 8.
The main metering pin set 13 is plugged with spindle sealing-plug after being arranged with aluminium spindle.
A kind of plastics carburetor of the present invention, comprising：Spindle external member, cabinet, lubricating cup component.Wherein oil needle sleeve
Part mainly adopts plastic material, comprising plastics rotary valve, plastics pull wire head, the main metering pin set of aluminum, plastics rotary valve rocking arm, rocking arm bullet
Spring, plug made of plastics material, using plastic material, can mitigate weight, and have relatively low difficulty of processing.Integrally formed plastics machine
Shell, is molded using grinding tool and be capable of achieving global formation, reduce the assembled step of parts, and the construction for reducing product is complicated
Degree.Lubricating cup component is also adopted by plastics, and sets up measuring room diaphragm and measuring room pad between plastics oil syringe seat and plastics lower body
Piece, can further lift the seal of lubricating cup component.Spindle external member, lubricating cup component are fixedly connected on by plastics machine by screw
Shell, connected mode are simple, facilitate later stage dismounting to replace or keep in repair.
Pump cover is had additional successively between the lubricating cup component and the cabinet of a kind of plastics carburetor of the present invention
Lower gasket, pump cover pad, pump cover Upper gasket, pump cover diaphragm, pad can increase the sealing between lubricating cup component and cabinet
Property, prevent oil gas from overflowing.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And thus it is extended obvious change or
Among changing still in the protection domain of the invention.
Claims (3)
1. a kind of plastics carburetor, it is characterised in that include：Spindle external member, cabinet, lubricating cup component；Wherein,
Spindle external member；Further include：
Plastics rotary valve, side are provided with fan-shaped swing area, middle to run through the main metering pin set of plastics；Another side region is provided with through hole and passes through
Wear plastics pull wire head；
Plastics pull wire head, is being bolted with snap ring through the plastics rotary valve side；
Main metering pin set, center are arranged with aluminium spindle, be arranged with rubber dust-proof plug, and run through plastics after through the plastics rotary valve
Rotary valve rocking arm, lower end is provided with screw thread；
Plastics rotary valve rocking arm, is provided with plastics rotary valve spacing preiection, described for when the plastics rotary valve is moved back and forth, blocking
Plastics rotary valve, bottom are contacted with iron priming lever spring, are provided with adjustment screw hole, are connected with adjustment screw；
Patch priming lever spring, it is middle to run through plug made of plastics material；
Plug made of plastics material, column body are provided with screw thread, are connected through the plastics rotary valve rocking arm with the main metering pin set spiral, institute
The column cap middle setting for stating plug made of plastics material has manhole；
Cabinet is integrally formed, the middle setting of upper surface has spindle external member storage area, the plug made of plastics material of the spindle external member
Stretch in spindle external member storage area, be also connected with adjustment screw seat between spindle external member and cabinet, set on adjustment screw seat
Screw hole is equipped with, is fixed on screw seat is adjusted on cabinet by screw, on the adjustment screw seat, be additionally provided with bracing wire
Guide hole, be spirally connected cable guide, and the side spiral of the cabinet is connected with oil plant mixing ratio adjustment knob, lower surface connection
There is lubricating cup component；
Lubricating cup component, further includes：
Lubricating cup pressing plate, it is middle to accommodate plastics lubricating cup；
Plastics lubricating cup, upper end are set in the lubricating cup pressing plate, and lower end is located in the middle of plastics oil syringe seat；
Plastics oil syringe seat, lower end are folded with the measuring room diaphragm of quality of rubber materials；
Measuring room diaphragm, lower end are contacted with the measuring room pad of quality of rubber materials；
Measuring room pad, lower end in contact plastics lower body；
By four screws through the lubricating cup pressing plate, plastics lubricating cup, plastics oil syringe seat, measuring room diaphragm, measuring room pad,
Quantity lower body rear screw connects the lower surface of the cabinet.
2. a kind of plastics carburetor according to claim 1, it is characterised in that the lubricating cup component and the cabinet it
Between be lined with pump cover lower gasket, pump cover pad, pump cover Upper gasket, pump cover diaphragm successively.
3. a kind of plastics carburetor according to claim 2, it is characterised in that the main metering pin set, is arranged with aluminium spindle
After be plugged with spindle sealing-plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610715177.9A CN106523191B (en) | 2016-08-24 | 2016-08-24 | A kind of plastics carburetor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610715177.9A CN106523191B (en) | 2016-08-24 | 2016-08-24 | A kind of plastics carburetor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106523191A true CN106523191A (en) | 2017-03-22 |
| CN106523191B CN106523191B (en) | 2018-12-21 |
Family
ID=58343683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610715177.9A Active CN106523191B (en) | 2016-08-24 | 2016-08-24 | A kind of plastics carburetor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106523191B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756343A (en) * | 2019-12-04 | 2020-02-07 | 福建省福鼎市金星通用机化油器有限公司 | Dual-carburetor of water-mist dual-purpose atomizing sprayer |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4328989A1 (en) * | 1993-08-28 | 1995-03-02 | Stihl Maschf Andreas | Diaphragm carburettor |
| CN1869425A (en) * | 2005-02-02 | 2006-11-29 | 沃尔布罗发动机使用有限责任公司 | Engine start device of a rotary valve carburetor |
| CN201671727U (en) * | 2010-05-12 | 2010-12-15 | 浙江瑞星化油器制造有限公司 | Diaphragm type carburetor with function of eliminating impulse chamber fuel oil accumulation |
| US20120043674A1 (en) * | 2010-08-17 | 2012-02-23 | Walbro Engine Management, L.L.C. | Air scavenging carburetor |
| CN203009084U (en) * | 2012-12-25 | 2013-06-19 | 浙江瑞星化油器制造有限公司 | Anti-adjustment carburetor with rotary valve |
| 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 |
| CN104775936A (en) * | 2009-12-04 | 2015-07-15 | 胡斯华纳有限公司 | Fuel conveying system for internal combustion engine |
| CN204627795U (en) * | 2015-03-17 | 2015-09-09 | 福建华龙化油器有限公司 | A kind of Carburetor of two stroke engine |
| CN205370793U (en) * | 2015-12-31 | 2016-07-06 | 黄旭瑞 | Body subassembly in carburetor |
-
2016
- 2016-08-24 CN CN201610715177.9A patent/CN106523191B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4328989A1 (en) * | 1993-08-28 | 1995-03-02 | Stihl Maschf Andreas | Diaphragm carburettor |
| CN1869425A (en) * | 2005-02-02 | 2006-11-29 | 沃尔布罗发动机使用有限责任公司 | Engine start device of a rotary valve carburetor |
| CN104775936A (en) * | 2009-12-04 | 2015-07-15 | 胡斯华纳有限公司 | Fuel conveying system for internal combustion engine |
| CN201671727U (en) * | 2010-05-12 | 2010-12-15 | 浙江瑞星化油器制造有限公司 | Diaphragm type carburetor with function of eliminating impulse chamber fuel oil accumulation |
| US20120043674A1 (en) * | 2010-08-17 | 2012-02-23 | Walbro Engine Management, L.L.C. | Air scavenging carburetor |
| CN203009084U (en) * | 2012-12-25 | 2013-06-19 | 浙江瑞星化油器制造有限公司 | Anti-adjustment carburetor with rotary valve |
| 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 |
| CN204627795U (en) * | 2015-03-17 | 2015-09-09 | 福建华龙化油器有限公司 | A kind of Carburetor of two stroke engine |
| CN205370793U (en) * | 2015-12-31 | 2016-07-06 | 黄旭瑞 | Body subassembly in carburetor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756343A (en) * | 2019-12-04 | 2020-02-07 | 福建省福鼎市金星通用机化油器有限公司 | Dual-carburetor of water-mist dual-purpose atomizing sprayer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106523191B (en) | 2018-12-21 |
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