CN103573473A - Plunger type carburetor provided with acceleration pump - Google Patents

Plunger type carburetor provided with acceleration pump Download PDF

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Publication number
CN103573473A
CN103573473A CN201310619707.6A CN201310619707A CN103573473A CN 103573473 A CN103573473 A CN 103573473A CN 201310619707 A CN201310619707 A CN 201310619707A CN 103573473 A CN103573473 A CN 103573473A
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CN
China
Prior art keywords
assembly
accelerating pump
spring
carburetor
pump body
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Granted
Application number
CN201310619707.6A
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Chinese (zh)
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CN103573473B (en
Inventor
范国平
周勇
杨平
文萍
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Kko Chengdu Machine & Electron Co Ltd
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Kko Chengdu Machine & Electron Co Ltd
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Priority to CN201310619707.6A priority Critical patent/CN103573473B/en
Publication of CN103573473A publication Critical patent/CN103573473A/en
Application granted granted Critical
Publication of CN103573473B publication Critical patent/CN103573473B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to a plunger type carburetor provided with an acceleration pump. The plunger type carburetor comprises a carburetor body (1), a plunger (2) and an acceleration pump body assembly (3), wherein a plunger spring (4), a plunger top cover assembly (5), a connection rod assembly (6) and an acceleration pump connection rod guide track (7) are sequentially arranged between the plunger (2) and the carburetor body (1); an acceleration pump diaphragm assembly (9) is arranged between the acceleration pump body assembly (3) and the carburetor body (1); an oil inlet passage (16) and an oil outlet passage (18) are arranged in the acceleration pump body assembly (3); an oil inlet one-way valve assembly (20) is arranged at one end of the oil inlet passage (16); and an oil outlet one-way valve assembly (23) is arranged at one end, close to one end of the acceleration pump body assembly (3), of the oil outlet passage (18). The plunger type carburetor has the advantages as follows: the work is stable, the environmental adaptability is high, and the service life is long.

Description

A kind of plunger type carburetor with accelerating pump
Technical field
The present invention relates to motorcycle engine oil feeding system parts, particularly a kind of plunger type carburetor with accelerating pump.
Background technique
In motorcycle carburetor, the mixed gas doing work for motor carries out in two steps.The first step, the air that the inlet hole of limiting the quantity of enters, after the through hole on oil duct casing wall, mixes in oil duct sleeve pipe for the first time with the oil of sleeve bottom.Second step, mixes in mixing chamber with air after the first mixed gas in oil duct sleeve pipe sprays from main injection jet.
For motorcycle carburetor product, plunger type carburetor belongs to the motorcycle fast product that raises speed.But along with adding of national Abgasgesetz is tight, and the higher requirement of acceleration of sports motorcycle, common plunger type carburetor cannot meet the requirement of sports motorcycle aspect acceleration, in order to meet customer need, better be applicable to the requirement of national Abgasgesetz, a kind of plunger type carburetor with accelerating pump of ad hoc meter simultaneously.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art, provide a kind of working stability, accelerating ability strong and be applicable to the plunger type carburetor with accelerating pump of current national Abgasgesetz, to solve, meet after Abgasgesetz the problem of accelerating ability deficiency when motorcycle.
Object of the present invention is achieved through the following technical solutions: a kind of plunger type carburetor with accelerating pump, it comprises Carburetor body and plunger, between described plunger and Carburetor body, be provided with successively piston spring and plunger cap assembly, it also comprises accelerating pump body assembly, link assembly and accelerating pump connecting rod guide rail, on described accelerating pump body assembly, be provided with a plurality of bolts hole that vertically run through accelerating pump body assembly, accelerating pump body assembly is bolted on a side of Carburetor body, described accelerating pump connecting rod guide rail is arranged at a side of piston spring, one end of link assembly is hinged on the top of Carburetor body, the other end of link assembly coordinates and contacts with accelerating pump connecting rod guide rail,
In described accelerating pump body assembly, shaft assembly is installed successively, press table, accelerator pump diaphragm chip module, top board, spring A and accelerating pump adjustment screw, shaft assembly is comprised of spring B and briquetting A, briquetting A is connected with the middle part of link assembly, one end of spring B is fixed on briquetting A, the other end of spring B is connected with press table, accelerator pump diaphragm chip module is arranged between lower lock block and upper holder block, one end and the upper holder block of spring A are connected, the other end of spring A is fixed on accelerating pump body assembly, accelerating pump adjusting screw is connected by screw-thread fit with accelerating pump body assembly,
The bottom of accelerating pump body assembly is provided with in line check valve assembly, between in line check valve assembly and accelerating pump body assembly, be provided with oil-feed path, between accelerating pump body assembly and Carburetor body, be provided with fuel-displaced path, fuel-displaced path is provided with oil outlet one-way valve assembly near one end of accelerating pump body assembly, and fuel-displaced path is provided with accelerating pump jet near one end of Carburetor body.
In described in line check valve assembly, be provided with briquetting B and steel ball A, one end of briquetting B is fixed on in line check valve assembly, and the other end of briquetting B coordinates with steel ball A, and steel ball A is arranged at the filler opening place of in line check valve assembly.
Described oil outlet one-way valve component internal is disposed with spring C and steel ball B, and one end of spring C is fixed on oil outlet one-way valve assembly, and the other end of spring C coordinates with steel ball B, and steel ball B is arranged on the oil outlet place of oil outlet one-way valve assembly.
The present invention has the following advantages:
1, adopt unique design, meet the acceleration requirement that plunger type carburetor is higher.
2, Carburetor plunger assembly of the present invention is provided with accelerating pump connecting rod guide rail, is provided with accelerating pump connecting rod on plunger top cover, is provided with connecting rod guide rail on plunger, by the lifting of plunger, controls accelerating pump pump oil, thereby further improves the acceleration of motor.
3, accelerating pump body assembly adopts 3 fixing modes, will speed up pump body assembly and is fixed on Carburetor body assembly, has guaranteed steadiness and the sealing of accelerating pump body assembly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is accelerating pump fuel flow path sectional structure schematic diagram;
Fig. 3 is the left TV structure schematic diagram of Fig. 1;
In figure: 1-Carburetor body, 2-plunger, 3-accelerating pump body assembly, 4-piston spring, 5-plunger cap assembly, 6-link assembly, 7-accelerating pump connecting rod guide rail, 8-upper holder block, 9-accelerator pump diaphragm chip module, 10-spring A, 11-press table, 12-shaft assembly, 13-spring B, 14-briquetting A, 15-accelerating pump adjustment screw, 16-oil-feed path, 17-accelerating pump jet, the fuel-displaced path of 18-, 19-bolt hole, 20-in line check valve assembly, 21-briquetting B, 22-steel ball A, 23-oil outlet one-way valve assembly, 24-spring C, 25-steel ball B.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of plunger type carburetor with accelerating pump, it comprises Carburetor body 1 and plunger 2, between described plunger 2 and Carburetor body 1, be provided with successively piston spring 4 and plunger cap assembly 5, it also comprises accelerating pump body assembly 3, link assembly 6 and accelerating pump connecting rod guide rail 7, on described accelerating pump body assembly 3, be provided with a plurality of bolts hole 19 that vertically run through accelerating pump body assembly 3, accelerating pump body assembly 3 is bolted on a side of Carburetor body 1, described accelerating pump connecting rod guide rail 7 is arranged at a side of piston spring 4, one end of link assembly 6 is hinged on the top of Carburetor body 1, the other end of link assembly 6 coordinates and contacts with accelerating pump connecting rod guide rail 7,
In described accelerating pump body assembly 3, shaft assembly 12 is installed successively, press table 11, accelerator pump diaphragm chip module 9, top board 8, spring A10 and accelerating pump adjustment screw 15, shaft assembly 12 is comprised of spring B 13 and briquetting A14, briquetting A14 is connected with the middle part of link assembly 6, one end of spring B 13 is fixed on briquetting A14, the other end of spring B 13 is connected with press table 11, accelerator pump diaphragm chip module 9 is arranged between lower lock block 11 and upper holder block 8, one end of spring A10 and upper holder block 8 are connected, the other end of spring A10 is fixed on accelerating pump body assembly 3, accelerating pump adjusting screw 15 is connected by screw-thread fit with accelerating pump body assembly 3,
The bottom of accelerating pump body assembly 3 is provided with in line check valve assembly 20, between in line check valve assembly 20 and accelerating pump body assembly 3, be provided with oil-feed path 16, between accelerating pump body assembly 3 and Carburetor body 1, be provided with fuel-displaced path 18, fuel-displaced path 18 is provided with oil outlet one-way valve assembly 23 near one end of accelerating pump body assembly 3, and fuel-displaced path 18 is provided with accelerating pump jet 17 near one end of Carburetor body 1.
As shown in Figure 2, in line check valve assembly 20 is arranged at the bottom of Carburetor body 1, in in line check valve assembly 20, be provided with briquetting B21 and steel ball A22, one end of briquetting B21 is fixed on in line check valve assembly 20, the other end of briquetting B21 coordinates with steel ball A22, and steel ball A22 is arranged at the filler opening place of in line check valve assembly 20, forms an easy one-way valve, while guaranteeing 3 work of accelerating pump body assembly, the stable output of fuel oil.
As shown in Figure 3, on the fuel-displaced path 18 of accelerating pump body assembly 3, oil outlet one-way valve assembly 23 is housed, oil outlet one-way valve assembly 23 inside are disposed with spring C24 and steel ball B25, one end of spring C24 is fixed on oil outlet one-way valve assembly 23, the other end of spring C24 coordinates with steel ball B25, steel ball B25 is arranged on the oil outlet place of oil outlet one-way valve assembly 23, then under the effect of accelerator pump diaphragm chip module 9, through in line check valve assembly 20, enter into accelerating pump body assembly 3, and then under the effect of accelerator pump diaphragm chip module 9, by oil outlet one-way valve assembly 23, enter fuel-displaced path 18, by the accelerating pump jet 17 on Carburetor body 1, pump in motor, for motor accelerated combustion, sufficient fuel is provided.

Claims (3)

1. the plunger type carburetor with accelerating pump, it comprises Carburetor body (1) and plunger (2), between described plunger (2) and Carburetor body (1), be provided with successively piston spring (4) and plunger cap assembly (5), it is characterized in that: it also comprises accelerating pump body assembly (3), link assembly (6) and accelerating pump connecting rod guide rail (7), on described accelerating pump body assembly (3), be provided with a plurality of bolts hole (19) that vertically run through accelerating pump body assembly (3), accelerating pump body assembly (3) is bolted on a side of Carburetor body (1), described accelerating pump connecting rod guide rail (7) is arranged at a side of piston spring (4), one end of link assembly (6) is hinged on the top of Carburetor body (1), the other end of link assembly (6) coordinates and contacts with accelerating pump connecting rod guide rail (7),
In described accelerating pump body assembly (3), shaft assembly (12) is installed successively, press table (11), accelerator pump diaphragm chip module (9), top board (8), spring A(10) and accelerating pump adjustment screw (15), shaft assembly (12) is by spring B (13) and briquetting A(14) form, briquetting A(14) be connected with the middle part of link assembly (6), one end of spring B (13) is fixed on briquetting A(14) on, the other end of spring B (13) is connected with press table (11), accelerator pump diaphragm chip module (9) is arranged between lower lock block (11) and upper holder block (8), spring A(10) one end and upper holder block (8) are connected, spring A(10) the other end is fixed on accelerating pump body assembly (3), accelerating pump adjusting screw (15) is connected by screw-thread fit with accelerating pump body assembly (3),
The bottom of accelerating pump body assembly (3) is provided with in line check valve assembly (20), between in line check valve assembly (20) and accelerating pump body assembly (3), be provided with oil-feed path (16), between accelerating pump body assembly (3) and Carburetor body (1), be provided with fuel-displaced path (18), fuel-displaced path (18) is provided with oil outlet one-way valve assembly (23) near one end of accelerating pump body assembly (3), and fuel-displaced path (18) is provided with accelerating pump jet (17) near one end of Carburetor body (1).
2. a kind of plunger type carburetor with accelerating pump according to claim 1, it is characterized in that: in described in line check valve assembly (20), be provided with briquetting B(21) and steel ball A(22), briquetting B(21) one end is fixed on in line check valve assembly (20), briquetting B(21) the other end and steel ball A(22) coordinate steel ball A(22) be arranged at the filler opening place of in line check valve assembly (20).
3. a kind of plunger type carburetor with accelerating pump according to claim 1, it is characterized in that: described oil outlet one-way valve assembly (23) inside is disposed with spring C(24) and steel ball B(25), spring C(24) one end is fixed on oil outlet one-way valve assembly (23), spring C(24) the other end and steel ball B(25) coordinate steel ball B(25) be arranged on the oil outlet place of oil outlet one-way valve assembly (23).
CN201310619707.6A 2013-11-29 2013-11-29 A kind of plunger type carburetor with accelerating pump Expired - Fee Related CN103573473B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310619707.6A CN103573473B (en) 2013-11-29 2013-11-29 A kind of plunger type carburetor with accelerating pump

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Application Number Priority Date Filing Date Title
CN201310619707.6A CN103573473B (en) 2013-11-29 2013-11-29 A kind of plunger type carburetor with accelerating pump

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CN103573473A true CN103573473A (en) 2014-02-12
CN103573473B CN103573473B (en) 2015-10-14

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4285887A (en) * 1979-01-29 1981-08-25 Honda Giken Kogyo Kabushiki Kaisha Carburetor
JPS5825557A (en) * 1981-08-07 1983-02-15 Honda Motor Co Ltd Vaporizer acceleration pump drive device
US4390480A (en) * 1980-06-19 1983-06-28 Societe Industrielle De Brevets Et D'etudes (Sibe) Carburettors with acceleration pump
CN1420265A (en) * 2001-11-16 2003-05-28 亨利威国际科技股份有限公司 Compensation mechanism for carburetor
JP2004278496A (en) * 2003-03-19 2004-10-07 Keihin Corp Sliding throttle valve carburetor
US20060082005A1 (en) * 2004-10-14 2006-04-20 Keihin Corporation Accelerating apparatus of carburetor
CN201344073Y (en) * 2008-10-14 2009-11-11 张传健 Motorbike carburetor with multilevel foam pipe
CN203560004U (en) * 2013-11-29 2014-04-23 成都恒高机械电子有限公司 Plunger type carburetor with accelerating pump

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4285887A (en) * 1979-01-29 1981-08-25 Honda Giken Kogyo Kabushiki Kaisha Carburetor
US4390480A (en) * 1980-06-19 1983-06-28 Societe Industrielle De Brevets Et D'etudes (Sibe) Carburettors with acceleration pump
JPS5825557A (en) * 1981-08-07 1983-02-15 Honda Motor Co Ltd Vaporizer acceleration pump drive device
CN1420265A (en) * 2001-11-16 2003-05-28 亨利威国际科技股份有限公司 Compensation mechanism for carburetor
JP2004278496A (en) * 2003-03-19 2004-10-07 Keihin Corp Sliding throttle valve carburetor
US20060082005A1 (en) * 2004-10-14 2006-04-20 Keihin Corporation Accelerating apparatus of carburetor
CN201344073Y (en) * 2008-10-14 2009-11-11 张传健 Motorbike carburetor with multilevel foam pipe
CN203560004U (en) * 2013-11-29 2014-04-23 成都恒高机械电子有限公司 Plunger type carburetor with accelerating pump

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