CN106523191B - A kind of plastics carburetor - Google Patents
A kind of plastics carburetor Download PDFInfo
- Publication number
- CN106523191B CN106523191B CN201610715177.9A CN201610715177A CN106523191B CN 106523191 B CN106523191 B CN 106523191B CN 201610715177 A CN201610715177 A CN 201610715177A CN 106523191 B CN106523191 B CN 106523191B
- Authority
- CN
- China
- Prior art keywords
- plastic
- oil
- rotary valve
- needle
- plastics
- 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.)
- Active
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- 239000004033 plastic Substances 0.000 title claims abstract description 163
- 229920003023 plastic Polymers 0.000 title claims abstract description 163
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002991 molded plastic Substances 0.000 claims description 12
- 238000005491 wire drawing Methods 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 7
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 abstract 4
- 238000010276 construction Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 230000037452 priming Effects 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 description 6
- 239000000306 component Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 125000003003 spiro group Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 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
-
- 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
A kind of plastics carburetor of the present invention includes: spindle external member is integrally formed cabinet, lubricating cup component.Wherein spindle external member mainly uses plastic material, can mitigate weight using plastic material comprising plastics rotary valve, plastics pull wire head, the main metering pin set of aluminum, plastics rotary valve rocker arm, priming lever spring, plug made of plastics material, and have lower difficulty of processing.Integrally formed cabinet can be realized integrally formed, reduces the assembled step of components, reduce the construction complexity of product using grinding tool injection molding.Lubricating cup component also uses plastics, and measuring room diaphragm and measuring room gasket are added between plastics oil syringe seat and plastics lower body, can further promote the airtightness of lubricating cup component.Spindle external member, lubricating cup component are fixedly connected on integrated molding cabinet by screw, connection type is simple, facilitates later period dismounting replacement or maintenance.
Description
Technical Field
The invention relates to a carburetor, in particular to a plastic carburetor.
Background
The development of the general gasoline engine is widely realized by the continuous progress of modern sports machinery at any time. The carburetor is used as a precise core component in a gasoline engine and a gasoline generator, and the atomization effect on gasoline is realized by utilizing the kinetic energy of the sucked air flow. The carburetor can automatically match corresponding oil-gas concentration according to different working state requirements of the engine, and outputs corresponding amount of mixed gas. In the process of starting the vehicle to run at a high speed, the accelerator pull wire drives the rotary valve to rotate, and then the effect of high-speed work of the carburetor is gradually achieved.
The carburetor in the prior art has more parts, and the problem of connection and tightness of all parts is easy to occur under different driving conditions, such as high temperature, high altitude and overload driving, so that oil gas leakage is caused, power output is influenced, and even danger is caused.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is that in the prior art, a large number of parts of the carburetor are needed, and the problem that the sealing performance of each part is easy to cause under different driving conditions influences the power output of the engine.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a plastic carburetor, comprising: the oil needle assembly, the integrally formed plastic shell and the oil cup assembly; wherein,
an oil needle kit; further comprising:
one side of the plastic rotary valve is provided with a fan-shaped swinging area, and the middle of the plastic rotary valve penetrates through the plastic main measuring needle sleeve; the area at the other side is provided with a through hole which penetrates through the plastic wire drawing head;
the plastic wire drawing head is screwed with a clamping ring at one side penetrating through the plastic rotary valve;
the center of the main needle measuring sleeve is sleeved with an aluminum oil needle, a rubber dustproof plug is sleeved after penetrating through the plastic rotary valve and penetrates through a plastic rotary valve rocker arm, and the lower end of the main needle measuring sleeve is provided with threads;
the plastic rotary valve rocker is provided with a plastic rotary valve limiting bulge for clamping the plastic rotary valve when the plastic rotary valve reciprocates, the lower part of the plastic rotary valve rocker is in contact with the iron rocker spring, and the plastic rotary valve rocker is provided with an adjusting screw hole connected with an adjusting screw;
the middle of the rocker spring penetrates through the plastic plunger;
the plastic plunger is provided with threads inside, and penetrates through the plastic rotary valve rocker arm to be in spiral connection with the main measuring needle sleeve;
the oil needle assembly comprises an integrally molded plastic casing, wherein an oil needle assembly receiving area is arranged in the middle of the upper end face of the integrally molded plastic casing, a plastic plunger of the oil needle assembly extends into the oil needle assembly receiving area, an adjusting screw seat is clamped between the oil needle assembly and the integrally molded plastic casing, a screw hole is formed in the adjusting screw seat, the adjusting screw seat is fixed on the integrally molded plastic casing through a screw, a stay wire guide pipe hole is further formed in the adjusting screw seat and is in threaded connection with a stay wire guide pipe, an oil mixing ratio adjusting knob is in threaded connection with the side face of the integrally molded plastic casing, and an oil cup assembly is connected to the lower end face of the integrally molded plastic casing;
an oil cup assembly, further comprising:
the oil cup pressing plate is used for accommodating the plastic oil cup in the middle;
the upper end of the plastic oil cup is sleeved on the oil cup pressing plate, and the lower end of the plastic oil cup is buckled in the middle of the plastic oil injector seat;
the lower end of the plastic oil injector seat is clamped with a rubber metering chamber diaphragm;
the lower end of the metering chamber diaphragm is in contact with a rubber metering chamber gasket;
the lower end of the metering chamber gasket is contacted with the plastic lower body;
four screws penetrate through the oil cup pressing plate, the plastic oil cup, the plastic oil injector seat, the metering chamber diaphragm, the metering chamber gasket and the plastic lower body and are then spirally connected with the lower end surface of the integrally formed plastic casing.
And a pump cover lower gasket, a pump cover upper gasket and a pump cover diaphragm are padded between the oil cup assembly and the integrally-formed plastic casing at one time.
The main measuring needle sleeve is sleeved outside the aluminum oil needle and is sealed by an oil seal sealing plug.
Compared with the prior art, the technical scheme of the invention has the following advantages.
1. The invention provides a plastic carburetor, comprising: oil needle external member, integrated into one piece plastics casing, oil cup subassembly. Wherein the oil needle external member mainly adopts the plastics material, contains plastics rotary valve, plastics stay wire head, aluminium system major axis needle cover, plastics rotary valve rocking arm, rocking arm spring, plastics plunger, adopts the plastics material, can weight reduction to have lower processing degree of difficulty. The integrally formed plastic casing can be integrally formed by injection molding of the grinding tool, so that the assembling steps of parts are reduced, and the structure complexity of a product is reduced. The oil cup component is made of plastic, and a metering chamber diaphragm and a metering chamber gasket are additionally arranged between the plastic oil injector seat and the plastic lower body, so that the tightness of the oil cup component can be further improved. Through screw with oil needle external member, oil cup subassembly fixed connection in integrative shaping plastics casing, the connected mode is simple, makes things convenient for later stage dismouting replacement or maintenance.
2. A pump cover lower gasket, a pump cover upper gasket and a pump cover diaphragm are sequentially arranged between the oil cup assembly of the plastic carburetor and the integrally formed plastic casing, and the gaskets can improve the sealing property between the oil cup assembly and the integrally formed plastic casing and prevent oil gas from overflowing.
Drawings
In order that the present disclosure may be more readily and clearly understood, the following detailed description of the present disclosure is provided in connection with specific embodiments thereof and the accompanying drawings, in which,
FIG. 1 is a perspective view of a plastic carburetor of the present invention;
FIG. 2 is another perspective view of a plastic carburetor of the present invention;
FIG. 3 is a schematic view of a fuel needle assembly of a plastic carburetor of the present invention;
FIG. 4 is an exploded view of the fuel needle assembly of the plastic carburetor of the present invention;
FIG. 5 is a schematic view of an oil cup assembly of a plastic carburetor of the present invention;
FIG. 6 is an exploded view of the fuel cup assembly of the plastic carburetor of the present invention;
FIG. 7 is an exploded view of the connection between the oil cup assembly and the integrally formed plastic housing of the plastic carburetor of the present invention.
The reference numbers in the figures denote: 1-oil needle set; 11-plastic rotary valves; 12-plastic wire drawing head; 13-a main quantity needle sleeve; 131-aluminum oil needle; 132-rubber dust plugs; 14-plastic rotary valve rocker arm; 15-rocker arm spring; 16-a plastic plunger; 2-integrally forming a plastic casing; 3-an oil cup assembly; 31-oil cup pressure plate; 32-plastic oil cup; 33-plastic oil injector seat; 34-a metering chamber diaphragm; 35-a metering chamber gasket; 36-plastic lower body; 4-adjusting the screw seat; 41-a pull wire catheter; 5-pump cover lower gasket; 6-pump cover gasket; 7-pump cover upper gasket; 8-pump cover diaphragm.
Detailed Description
A plastic carburetor, as shown in fig. 1-7, comprising: the oil needle assembly comprises an oil needle kit 1, an integrally formed plastic casing 2 and an oil cup assembly 3. Wherein,
an oil needle set 1; further comprising:
a fan-shaped swing area is arranged on one side of the plastic rotary valve 11, and a plastic main needle sleeve 13 penetrates through the middle of the plastic rotary valve; the area of the other side is provided with a through hole which penetrates through the plastic wire drawing head.
And a snap ring is screwed on one side of the plastic wire drawing head 12 penetrating through the plastic rotary valve.
The center of the main needle sleeve 13 is sleeved with an aluminum oil needle 131, a rubber dustproof plug 132 is sleeved behind the plastic rotary valve and penetrates through the plastic rotary valve rocker arm, and the lower end of the main needle sleeve is provided with threads.
The plastic rotary valve rocker 14 is provided with a plastic rotary valve limiting bulge, and is used for clamping the plastic rotary valve during reciprocating motion of the plastic rotary valve, the lower part of the plastic rotary valve is in contact with an iron rocker spring, and an adjusting screw hole is formed in the lower part of the plastic rotary valve and connected with an adjusting screw.
The rocker spring 15 penetrates through the plastic plunger 16 in the middle.
And a plastic plunger 16, wherein threads are arranged in a cylinder of the plastic plunger, and the cylinder penetrates through the plastic rotary valve rocker arm to be in spiral connection with the main needle measuring sleeve 13. The middle of the column head of the plastic plunger 16 is provided with a circular through hole.
Integrative shaping plastics casing 2, the centre of up end is provided with oil needle external member and accomodates the district, in the plastics plunger 16 of oil needle external member 1 stretched into oil needle external member and accomodates the district, it has adjustment screw seat 4 still to joint between oil needle external member and the integrative shaping plastics casing, is provided with the screw hole on the adjustment screw seat 4, is fixed in integrative shaping plastics casing 2 with the adjustment screw seat through the screw on, still be provided with the spiro union pipe hole of acting as go-between on the adjustment screw seat 4, the spiro union pipe 41 of acting as go-between pipe hole, the side spiro union of integrative shaping plastics casing has oil mixing ratio adjustment knob, and lower terminal surface is connected with the oil cup subassembly.
The oil cup assembly 3 further includes:
an oil cup pressure plate 31, which accommodates a plastic oil cup in the middle.
The upper end of the plastic oil cup 32 is sleeved on the oil cup pressing plate, and the lower end of the plastic oil cup is buckled in the middle of the plastic oil injector seat.
The lower end of the plastic oil injector seat 33 is provided with a rubber measuring chamber diaphragm 34.
The lower end of the measuring chamber diaphragm 34 is in contact with a rubber measuring chamber gasket 35.
The lower end of the metering chamber gasket 35 is in contact with a plastic lower body 36 made of rubber.
Four screws penetrate through the oil cup pressing plate 31, the plastic oil cup 32, the plastic oil injector seat 33, the metering chamber diaphragm 34, the metering chamber gasket 35 and the plastic lower body 36 and are then spirally connected with the lower end surface of the integrally formed plastic machine shell.
And a pump cover lower gasket 5, a pump cover gasket 6, a pump cover upper gasket 7 and a pump cover diaphragm 8 are padded between the oil cup assembly and the integrally formed plastic casing at one time.
The main needle sleeve 13 is sleeved with an aluminum oil needle and then is plugged with an oil needle sealing plug.
The invention relates to a plastic carburetor, which comprises: oil needle external member, integrated into one piece plastics casing, oil cup subassembly. Wherein the oil needle external member mainly adopts the plastics material, contains plastics rotary valve, plastics stay wire head, aluminium system major axis needle cover, plastics rotary valve rocking arm, rocking arm spring, plastics plunger, adopts the plastics material, can weight reduction to have lower processing degree of difficulty. The integrally formed plastic casing can be integrally formed by injection molding of the grinding tool, so that the assembling steps of parts are reduced, and the structure complexity of a product is reduced. The oil cup component is made of plastic, and a metering chamber diaphragm and a metering chamber gasket are additionally arranged between the plastic oil injector seat and the plastic lower body, so that the tightness of the oil cup component can be further improved. Through screw with oil needle external member, oil cup subassembly fixed connection in integrative shaping plastics casing, the connected mode is simple, makes things convenient for later stage dismouting replacement or maintenance.
According to the invention, the lower pump cover gasket, the upper pump cover gasket and the pump cover diaphragm are sequentially arranged between the oil cup assembly of the plastic carburetor and the integrally formed plastic casing, and the gaskets can increase the sealing property between the oil cup assembly and the integrally formed plastic casing and prevent oil gas from overflowing.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (3)
1. A plastic carburetor, comprising: the oil needle assembly, the integrally formed plastic shell and the oil cup assembly; wherein,
an oil needle kit; further comprising:
one side of the plastic rotary valve is provided with a fan-shaped swinging area, and the middle of the plastic rotary valve penetrates through the plastic main measuring needle sleeve; the area at the other side is provided with a through hole which penetrates through the plastic wire drawing head;
the plastic wire drawing head is screwed with a clamping ring at one side penetrating through the plastic rotary valve;
the center of the main needle measuring sleeve is sleeved with an aluminum oil needle, a rubber dustproof plug is sleeved after penetrating through the plastic rotary valve and penetrates through a plastic rotary valve rocker arm, and the lower end of the main needle measuring sleeve is provided with threads;
the plastic rotary valve rocker is provided with a plastic rotary valve limiting bulge for clamping the plastic rotary valve when the plastic rotary valve reciprocates, the lower part of the plastic rotary valve rocker is in contact with the iron rocker spring, and the plastic rotary valve rocker is provided with an adjusting screw hole connected with an adjusting screw;
the middle of the rocker spring penetrates through the plastic plunger;
the plastic plunger is provided with threads inside, penetrates through the plastic rotary valve rocker arm and is in spiral connection with the main measuring needle sleeve, and a circular through hole is formed in the middle of a column head of the plastic plunger;
the oil needle assembly comprises an integrally molded plastic casing, wherein an oil needle assembly receiving area is arranged in the middle of the upper end face of the integrally molded plastic casing, a plastic plunger of the oil needle assembly extends into the oil needle assembly receiving area, an adjusting screw seat is clamped between the oil needle assembly and the integrally molded plastic casing, a screw hole is formed in the adjusting screw seat, the adjusting screw seat is fixed on the integrally molded plastic casing through a screw, a stay wire guide pipe hole is further formed in the adjusting screw seat and is in threaded connection with a stay wire guide pipe, an oil mixing ratio adjusting knob is in threaded connection with the side face of the integrally molded plastic casing, and an oil cup assembly is connected to the lower end face of the integrally molded plastic casing;
an oil cup assembly, further comprising:
the oil cup pressing plate is used for accommodating the plastic oil cup in the middle;
the upper end of the plastic oil cup is sleeved on the oil cup pressing plate, and the lower end of the plastic oil cup is buckled in the middle of the plastic oil injector seat;
the lower end of the plastic oil injector seat is clamped with a rubber metering chamber diaphragm;
the lower end of the metering chamber diaphragm is in contact with a rubber metering chamber gasket;
a gasket of the measuring chamber, the lower end of which contacts the plastic lower body;
four screws penetrate through the oil cup pressing plate, the plastic oil cup, the plastic oil injector seat, the metering chamber diaphragm, the metering chamber gasket and the plastic lower body and are then spirally connected with the lower end surface of the integrally formed plastic casing.
2. The plastic carburetor according to claim 1, wherein a pump cover lower gasket, a pump cover upper gasket, and a pump cover diaphragm are sequentially interposed between the oil cup assembly and the integrally formed plastic casing.
3. A plastics carburettor according to claim 2 wherein the primary metering needle hub is mounted externally of the aluminium needle and is sealed by an oil-tight 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 CN106523191A (en) | 2017-03-22 |
| CN106523191B true CN106523191B (en) | 2018-12-21 |
Family
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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 |
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| CN (1) | CN106523191B (en) |
Families Citing this family (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 |
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| Publication number | Publication date |
|---|---|
| CN106523191A (en) | 2017-03-22 |
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