CN201496169U - Double-cavity split type carburetor - Google Patents

Double-cavity split type carburetor Download PDF

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Publication number
CN201496169U
CN201496169U CN200920193528XU CN200920193528U CN201496169U CN 201496169 U CN201496169 U CN 201496169U CN 200920193528X U CN200920193528X U CN 200920193528XU CN 200920193528 U CN200920193528 U CN 200920193528U CN 201496169 U CN201496169 U CN 201496169U
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China
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air
air cavity
throttle plate
plate pin
fuel delivery
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CN200920193528XU
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Chinese (zh)
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陈其安
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ZHEJIANG RUIXING CARBURETOR MANUFACTURING Co Ltd
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ZHEJIANG RUIXING CARBURETOR MANUFACTURING Co Ltd
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Abstract

The utility model provides a double-cavity split type carburetor applied to being installed on an engine, comprising a carburetor body provided with a fuel supply cavity, a main fuel supply device, an idling fuel supply device, a starting device and a fuel inlet pipe port. The fuel supply cavity is internally provided with a rotatable choke valve and a fuel supply cavity air throttle. The double-cavity split type carburetor further comprises a split type air cavity component provided with an air compensating cavity; one end of the air compensating cavity is provided with a rotatable air cavity air throttle, and the other end thereof is communicated with an engine cylinder body; a link gear is installed between the air cavity air throttle and the fuel supply cavity air throttle, and a crank and rocker mechanism is formed with the carburetor body to be in intermittent interfere fit; and the air cavity air throttle is formed to be driven to turn on the air compensating cavity when the fuel supply cavity air throttle turns on a preset amount of the fuel supply cavity. The double-cavity split type carburetor can satisfy the requirement of relatively thin mixture except the working condition at idling speed, thereby improving the efficiency of gasoline atomization; and simultaneously, the requirements of the engine at idling state can be satisfied.

Description

The split type Carburetor of two-chamber
Technical field
The utility model relates to a kind of Carburetor, relates in particular to the split type Carburetor of a kind of two-chamber.
Background technique
Along with society is constantly progressive, economic fast development,, the general gasoline engines industry provides a good platform for further developing.Wherein, general gasoline engines industry flourish, thus promote the auxiliary industry develop rapidly of general gasoline engines.Wherein, the Carburetor industry is exactly a kind of of the auxiliary industry of many general gasoline engines.
Carburetor is exactly with the fuel oil of some and air mixing, so that normal working of engine, thereby prevent that motor from not making engine stoping operation having to be in " oil-poor " operating condition under enough fuel oils and the air mixing situation or be damaged, and then make start function more reliable, more safely work, reducing the motor accident takes place, improve the average fault-free life-span of motor, save people's valuable time.Meanwhile; Carburetor is also monitored excessive fuel oil and air mixing; prevent motor under " rich oil " state, turning round and make engine stoping operation, when running produce a large amount of cigarettes, operational situation is abominable or the waste fuel oil, thereby guarantee the ratio between blended fuel oil and the air.Therefore, Carburetor is the heart of motor, and the quality of Carburetor performance is related to the performance of engine performance.Therefore, the Carburetor that chooses is one of key factor of maintenance, maintenance and performance engine performance.
At present, Carburetor on the market mainly comprises the Carburetor body and is arranged at main oil supplying device, idling oil supplying device, starting arrangement, oil inlet pipe interface, chock plate and closure on the Carburetor body, the Carburetor body offers the fuel delivery chamber, the Carburetor body that is positioned at fuel delivery chamber one side is provided with Air strangler spindle and Air strangler spindle swing frame, the Carburetor body that is positioned at the relative opposite side in fuel delivery chamber is provided with throttle plate pin and throttle plate pin swing frame, chock plate is fixed on the Air strangler spindle, and closure is fixed on the throttle plate pin.During use, chock plate is driven by Air strangler spindle by the Air strangler spindle swing frame, closes and open chock plate when realizing engine start, improves the starting performance of motor; Closure is driven by throttle plate pin by the throttle plate pin swing frame, realizes that mixed gas enters the cylinder body of motor.When motor turns round under other working staties except that idling, the mixed gas that provides from the fuel delivery chamber can not satisfy motor when full load needs than weak mixture, on the one hand make gasoline atomizing incomplete, cause valuable gasoline resource significant wastage; Produce a large amount of waste gas on the other hand, and contain a large amount of carbon monoxide, hydrocarbon and oxynitrides etc. in the waste gas, can serious environment pollution.
Therefore, be badly in need of to want the split type Carburetor of a kind of two-chamber easy for installation, easy to manufacture, motor is worked under being in than the weak mixture state when the working state except that idling, the nebulization efficiency of raising gasoline is brought into play engine performance to greatest extent; Simultaneously, make motor when the idling work state, be in preferable air fuel ratio to satisfy the requirement of motor under idling mode.
The model utility content
The purpose of this utility model is to provide a kind of two-chamber easy for installation, easy to manufacture split type Carburetor, motor is worked under being in than the weak mixture state when the working state except that idling, and the nebulization efficiency that improves gasoline is with performance motor optimum performance; Simultaneously, make motor when the idling work state, be in preferable air fuel ratio to satisfy the requirement of motor under idling mode.
For achieving the above object, the technical solution of the utility model is: provide a kind of two-chamber split type Carburetor, be adapted to be installed on the motor, the split type Carburetor of described two-chamber comprises the Carburetor body and is arranged at main oil supplying device on the described Carburetor body, the idling oil supplying device, starting arrangement and oil inlet pipe interface, described Carburetor body offers the fuel delivery chamber, be respectively equipped with rotatable chock plate and fuel delivery chamber closure in the described fuel delivery chamber, wherein, the split type Carburetor of described two-chamber also comprises and is separated with described Carburetor body and is fixed in air cavity parts on the frame of described motor, described air cavity parts offer the compensated with air chamber, one end in described compensated with air chamber is provided with rotatable air cavity closure, the other end in described compensated with air chamber is connected with the cylinder body of described motor, be provided with linking mechanism between described air cavity closure and the described fuel delivery chamber closure, described linking mechanism and described Carburetor body form crankrocker mechanism, the described linking mechanism that forms crankrocker mechanism is intermittently to conflict and cooperates, and constitutes described air cavity closure and driven the described compensated with air of unlatching chamber when described fuel delivery chamber closure is opened described fuel delivery chamber one prearranging quatity.
Preferably, described linking mechanism comprises the air cavity throttle plate pin, air cavity throttle plate pin swing frame, connecting rod, transmission arm parts and fuel delivery chamber throttle plate pin, the body of described air cavity throttle plate pin and described air cavity parts articulates, and an end of described air cavity throttle plate pin and described air cavity closure are fixed, the other end and described air cavity throttle plate pin swing frame are fixed, the other end of described air cavity throttle plate pin swing frame is intermittently to conflict with an end of described connecting rod and cooperates, constitute described air cavity closure and when described fuel delivery chamber closure is opened a prearranging quatity, driven the described compensated with air of unlatching chamber, one end of the other end of described connecting rod and described transmission arm parts articulates, the other end of described transmission arm parts is fixed in an end of described fuel delivery chamber throttle plate pin, the other end of described fuel delivery chamber throttle plate pin and described Carburetor body articulate and fix with described fuel delivery chamber closure, are provided with the Air strangler spindle parts of doing to cooperate interlock with described transmission arm parts in described chock plate.Particularly, described Air strangler spindle parts comprise Air strangler spindle, Air strangler spindle swing frame and throttle plate pin transmission arm, described Air strangler spindle is articulated on the described Carburetor body, and an end and the described chock plate of described Air strangler spindle are fixed, and the other end is hinged with described throttle plate pin transmission arm and Air strangler spindle swing frame respectively.By the linking mechanism of forming by air cavity throttle plate pin, air cavity throttle plate pin swing frame, connecting rod, transmission arm parts and fuel delivery chamber throttle plate pin, and air cavity throttle plate pin swing frame is intermittently to conflict with connecting rod and cooperates, one side is driven unlatching when making the compensated with air chamber of air cavity parts precisely open a prearranging quatity in the fuel delivery chamber, thereby satisfied motor except that idling operation to needs than weak mixture, and then improve gasoline atomizing efficient, bring into play the motor optimum performance; Make motor on the other hand when idling operation, the compensated with air chamber of air cavity parts is precisely closed, and satisfies the requirement of motor at idling mode.In addition, this linking mechanism compact structure.By the interlock between Air strangler spindle and the throttle plate pin transmission arm, make to have fabulous interlock performance and performance easy to operate between throttle plate pin transmission arm and the transmission arm parts, the work that makes the split type Carburetor of the utility model two-chamber is reliability more.
Particularly, described connecting rod offers the opening chute, described air cavity throttle plate pin swing frame is provided with the traveller that is complementary with described opening chute, described traveller is intermittently to conflict when described opening chute slides and cooperates, and constitutes described air cavity closure and driven unlatching when described fuel delivery chamber closure is opened a prearranging quatity; By described traveller and opening chute, make air cavity throttle plate pin swing frame and connecting rod more convenient, quick when the split type Carburetor of the utility model two-chamber is assembled on the motor.More specifically, described opening chute is microscler chute, and the opening end of described opening chute stretches out and forms the opening portion of being convenient to install, and described opening portion inwardly convexes into the abjunction preventing part.Above-mentioned microscler chute is simple in structure, easy processing; Above-mentioned abjunction preventing part prevents that traveller and opening chute from coming off mutually, makes air cavity throttle plate pin swing frame be connected more reliable with connecting rod.
Particularly, also be provided with the closure torsion spring in described fuel delivery chamber throttle plate pin and described Carburetor body joint, an end of described closure torsion spring is fixedly arranged on the throttle plate pin of described fuel delivery chamber, and the other end is fixedly arranged on the described Carburetor body; Between described air cavity parts and described air cavity throttle plate pin swing frame, be provided with the air cavity torsion spring, described air cavity torsion spring set is located on the described air cavity throttle plate pin and an end and described air cavity parts are fixed, and the other end and described air cavity throttle plate pin swing frame are fixed; Between described Carburetor body and described throttle plate pin transmission arm, be provided with the Air strangler spindle torsion spring, described Air strangler spindle torsion spring set is located on the described Air strangler spindle and an end and the conflict of described throttle plate pin transmission arm, and the other end and described fuel delivery chamber throttle plate pin are conflicted.By described closure torsion spring, air cavity torsion spring and chock plate torsion spring, make fuel delivery chamber closure, air cavity closure and chock plate precisely reset and the harmony that links good.
Particularly, described throttle plate pin transmission arm is provided with the side groove, and described transmission arm parts are provided with and the corresponding side projection of described side groove, and described side projection matches with described side groove and constitutes described chock plate and close with described fuel delivery chamber closure and open.By side projection and the side groove that cooperatively interacts, make transmission arm parts and throttle plate pin transmission arm when fast idle mode, can work more reliably.
Compared with prior art,, make Carburetor easy for installation because air cavity parts of the present utility model separate with the Carburetor body, easy to manufacture.Because linking mechanism of the present utility model and air cavity parts; this linking mechanism is intermittently to conflict and cooperates; the air cavity parts have the compensated with air chamber; make the air cavity closure when fuel delivery chamber closure is opened fuel delivery chamber one prearranging quatity, precisely be driven and open the compensated with air chamber; make the compensated with air chamber for the fuel delivery chamber provide extra endlessly fresh air with satisfy motor except that idling operation to requirement than weak mixture; thereby improved gasoline atomizing efficient; make and start the performance work of function with optimum; reduce pollutant emission, thereby protect environment better.Simultaneously, when the idling work state, the air cavity closed throttle compensated with air chamber while, fuel delivery chamber closure is closed an end in fuel delivery chamber simultaneously, makes motor be in preferable air fuel ratio to satisfy the requirement of motor under idling mode when the idling work state.
Description of drawings
Fig. 1 is the structural representation of the split type Carburetor of the utility model two-chamber.
Fig. 2 is the schematic perspective view of the split type Carburetor of the utility model two-chamber.
Fig. 3 is the structural representation of the split type Carburetor of the utility model two-chamber when being in idle position.
Fig. 4 is the sectional view along A-A line among Fig. 3.
Fig. 5 is the structural representation of the split type Carburetor of the utility model two-chamber when being in the fast-idle speed position.
Fig. 6 is the sectional view along B-B line among Fig. 5.
Fig. 7 is the structural representation of the split type Carburetor of the utility model two-chamber when being in fully open position.
Fig. 8 is the sectional view along C-C line among Fig. 7.
Embodiment
Technology contents, structure characteristics in order to describe the split type Carburetor of the utility model two-chamber in detail are described further below in conjunction with mode of execution and conjunction with figs..
Please refer to Fig. 3 and Fig. 4, Fig. 3 and Fig. 4 have showed the structural representation when the split type Carburetor 100 of the utility model two-chamber is in idling mode.The split type Carburetor 100 of this two-chamber is installed on the motor (not shown), and it comprises Carburetor body 1 and is installed on main oil supplying device on the Carburetor body 1, idling oil supplying device, starting arrangement (annotating among the figure) and oil inlet pipe interface 4.Above-mentioned Carburetor body 1 offers fuel delivery chamber 10, is respectively equipped with rotatable chock plate 11 and fuel delivery chamber closure 12 in the above-mentioned fuel delivery chamber 10.Wherein, the split type Carburetor 100 of above-mentioned two-chamber also comprises and is separated with above-mentioned Carburetor body 1 and is fixed in air cavity parts 5 on the frame of above-mentioned motor, above-mentioned air cavity parts 5 offer compensated with air chamber 50, and an end in above-mentioned compensated with air chamber 50 is provided with rotatable air cavity closure 51, and the other end in above-mentioned compensated with air chamber 50 is connected with the cylinder body of above-mentioned motor by the link (not shown).Between above-mentioned air cavity closure 51 and above-mentioned fuel delivery chamber closure 12, be provided with linking mechanism 6, above-mentioned linking mechanism 6 forms crankrocker mechanism with above-mentioned Carburetor body 1, the above-mentioned linking mechanism 6 of formation crankrocker mechanism is intermittently to conflict and cooperates, and constitutes above-mentioned air cavity closure 51 and driven the above-mentioned compensated with air of unlatching chamber 50 when above-mentioned fuel delivery chamber closure 12 is opened above-mentioned fuel delivery chamber 10 1 prearranging quatitys.In conjunction with Fig. 1 and Fig. 2, particularly, above-mentioned linking mechanism 6 comprises air cavity throttle plate pin 60, air cavity throttle plate pin swing frame 61, connecting rod 62, transmission arm parts 63 and fuel delivery chamber throttle plate pin 64.Above-mentioned air cavity throttle plate pin 60 is installed on the above-mentioned air cavity parts 5 and can rotates around air cavity parts 5, and above-mentioned air cavity closure 51 is fixed on the above-mentioned air cavity throttle plate pin 60 by screw 510, makes the air cavity closure 51 can be around air cavity throttle plate pin 60 rotation with the unlatching that realizes compensated with air chamber 50 or close.Simultaneously, the top of above-mentioned air cavity throttle plate pin 60 and above-mentioned air cavity throttle plate pin swing frame 61 are fixing.The front end of above-mentioned air cavity throttle plate pin swing frame 61 is intermittently to conflict with the rear end of above-mentioned connecting rod 62 and cooperates, and constitutes above-mentioned air cavity closure 51 and driven the above-mentioned compensated with air of unlatching chamber 50 when above-mentioned fuel delivery chamber closure 12 is opened above-mentioned fuel delivery chamber 10 1 prearranging quatitys.The front end of above-mentioned connecting rod 62 is installed on the top of above-mentioned transmission arm parts 63 by erection column 14 and split washer 15, makes between connecting rod 62 and the transmission arm parts 63 that relative movement is reliable and mounting or dismounting are convenient.The bottom of above-mentioned transmission arm parts 63 is fixed on the above-mentioned fuel delivery chamber throttle plate pin 64 by screw 16, above-mentioned fuel delivery chamber throttle plate pin 64 articulates with above-mentioned Carburetor body 1, and above-mentioned fuel delivery chamber closure 12 is installed on the fuel delivery chamber throttle plate pin 64 by screw 120.On above-mentioned chock plate 11, be provided with the chock plate parts 7 of doing to cooperate interlock with above-mentioned transmission arm parts 63.More specifically, above-mentioned chock plate parts 7 comprise Air strangler spindle 70, throttle plate pin transmission arm 71 and chock plate swing frame 72, chock plate 11 is installed on the Air strangler spindle 70 by screw 110, and throttle plate pin transmission arm 71 and chock plate swing frame 72 are articulated in the same end on the Air strangler spindle 70, can can close or open an end in fuel delivery chamber 10 by chock plate 11 by band when making Air strangler spindle 70 rotations, drive the other end that transmission arm parts 63 go to open or close fuel delivery chamber 10 by chock plate swing frame 72 simultaneously, satisfy the split type Carburetor 100 of the utility model two-chamber in the requirement of different operating state.Because linking mechanism 6 is made up of air cavity throttle plate pin 60, air cavity throttle plate pin swing frame 61, connecting rod 62, transmission arm parts 63 and fuel delivery chamber throttle plate pin 64, and air cavity throttle plate pin swing frame 61 is intermittently to conflict with connecting rod 62 and cooperates, the compensated with air chamber 50 that makes on the one hand air cavity parts 5 10 is driven unlatching when precisely opening a prearranging quatity in the fuel delivery chamber, thereby satisfied motor except that idling operation to needs than weak mixture, and then improve gasoline atomizing efficient, bring into play the motor optimum performance; Make motor on the other hand when idling operation, the compensated with air chamber 50 of air cavity parts 5 is precisely closed, and satisfies the requirement of motor under idling mode; In addition, these linking mechanism 6 compact structures.Simultaneously, chock plate parts 7 are made up of Air strangler spindle 70, throttle plate pin transmission arm 71 and chock plate swing frame 72, make the fabulous interlock performance that has of throttle plate pin transmission arm 71 and transmission arm parts 63, the work that makes the split type Carburetor 100 of the utility model two-chamber is reliability more.In conjunction with Fig. 5 to Fig. 8, more specifically, as follows:
Than the superior, above-mentioned connecting rod 62 offers opening chute 620, and above-mentioned opening chute 620 is microscler chute, makes opening chute 620 simple in structure, easy processing.And the opening end of microscler chute 620 stretches out and forms the opening portion of being convenient to install, and this opening portion inwardly convexes into abjunction preventing part 6201, in case anti-avulsion falls, guarantees that connection reliability can guarantee the easy assembling of connecting rod 62 and air cavity throttle plate pin swing frame 61 again.Above-mentioned air cavity throttle plate pin swing frame 61 is provided with the traveller 610 that is complementary with above-mentioned opening chute 620, above-mentioned traveller 610 is intermittently to conflict when above-mentioned opening chute 620 slides and cooperates, and constitutes above-mentioned air cavity closure 51 and driven unlatching when above-mentioned fuel delivery chamber closure 12 is opened a prearranging quatity.The slip because above-mentioned traveller 610 and opening chute 620 are complementary, make air cavity throttle plate pin swing frame 61 and connecting rod conflict at 62 intermittence cooperate more reliable, transmission is more steady and precision is higher, thereby makes precisely the cooperating in harmony of compensated with air chamber 50 and fuel delivery chamber 10.
Than the superior, also be provided with closure torsion spring 8 in above-mentioned fuel delivery chamber throttle plate pin 64 and above-mentioned Carburetor body 1 joint, one end of above-mentioned closure torsion spring 8 is fixedly arranged on the above-mentioned fuel delivery chamber throttle plate pin 64, the other end of above-mentioned closure torsion spring 8 is fixedly arranged on the above-mentioned Carburetor body 1, provides excellent elastic force for fuel delivery chamber closure 12 resets.Between above-mentioned air cavity parts 5 and above-mentioned air cavity throttle plate pin swing frame 61, be provided with air cavity torsion spring 9, above-mentioned air cavity torsion spring 9 be sheathed on the above-mentioned air cavity throttle plate pin 60 and an end and above-mentioned air cavity parts 5 fixing, the other end and above-mentioned air cavity throttle plate pin swing frame 61 are fixing, carry the excellent elastic force of arch for air cavity closure 51 resets.Between above-mentioned Carburetor body 1 and above-mentioned throttle plate pin transmission arm 71, be provided with Air strangler spindle torsion spring 17, above-mentioned Air strangler spindle torsion spring 17 is sheathed on the above-mentioned Air strangler spindle 70 and an end and 71 conflicts of above-mentioned throttle plate pin transmission arm, and the other end and above-mentioned fuel delivery chamber throttle plate pin 64 are conflicted.Because closure torsion spring 8, air cavity torsion spring 9 and Air strangler spindle torsion spring 17, make fuel delivery chamber closure 12, air cavity closure 51 and chock plate 11 precisely reset and the harmony that links good.
Than the superior, above-mentioned throttle plate pin transmission arm 71 is provided with side groove 710, above-mentioned transmission arm parts 63 are provided with and above-mentioned side groove 710 corresponding side projections 630, and above-mentioned side projection 630 matches with above-mentioned side groove 710, and the above-mentioned chock plate 11 of formation is closed and above-mentioned fuel delivery chamber closure 12 is opened.By side projection 630 and the side groove 710 that cooperatively interacts, make transmission arm parts 63 and throttle plate pin transmission arm 71 when fast idle mode, can work more reliably.
In conjunction with the accompanying drawings, working principle to the split type Carburetor 100 of the utility model two-chamber is described in detail: when being in idling mode as shown in Figure 3 behind the engine start, chock plate 11 in opened condition, fuel delivery chamber closure 12 is closed condition, and air cavity closure 51 is closed compensated with air chamber 50 to prevent air and enter in the cylinder body of motor from compensated with air chamber 50 and then to have influence on the proper functioning of motor.Wherein, the location status of fuel delivery chamber closure 12, chock plate 11 and air cavity closure 51 as shown in Figure 4; The location status of air cavity throttle plate pin swing frame 61, connecting rod 62 and transmission arm parts 63 as shown in Figure 3.When starting, engine cold pulls the Air strangler spindle handle 701 of fixedlying connected with Air strangler spindle 70 with hand, the chock plate 11 and the throttle plate pin transmission arm 71 that are fixed on the Air strangler spindle 70 are driven in rotation, the end that the chock plate 11 of this moment is closed fuel delivery chamber 10 gradually makes that entering fuel delivery chamber 10 air reduces gradually; Along with Air strangler spindle handle 701 continues rotation, make the throttle plate pin transmission arm 71 transmission arm parts 63 that begin to conflict, become still less from the air that chock plate 11 enters in the fuel delivery chamber 10 this moment; And fuel delivery chamber closure 12 is opened the other end in fuel delivery chamber 10 gradually under the ordering about of transmission arm parts 63, make the mixture strength that enters engine engine increase, motor is started when cold machine state easily, be in state Rapid Thermal machine after the starting than rich mixture.Simultaneously, connecting rod 62 slides in traveller 610 directions of the driving lower edge of transmission arm parts 63 air cavity throttle plate pin swing frame 61; Air cavity closure 51 is still closed compensated with air chamber 50 at this moment.This moment, throttle plate pin transmission arm 71 side groove 710 just matched with projection 630 on the transmission arm parts 63, fuel delivery chamber closure 12 increase fuel delivery chambeies 10 an end opening so that more polyhybird gas enter the engine of motor; The other end opening that the chock plate 11 of this moment is closed fuel delivery chamber 10 fully carries out in the fuel delivery chamber 10 from chock plate 11 to prevent air, makes motor be in as shown in Figure 5 and Figure 6 fast idle mode with Rapid Thermal machine state.Then, pull throttle plate pin handle 640, make transmission arm parts 63 continue rotation, promote to continue to slide along promoting air cavity throttle plate pin swing frame 61 directions with the connecting rod 62 of its pivot joint.At this moment, projection 630 on the transmission arm parts 63 is separated with the side groove 710 of throttle plate pin transmission arm 71, throttle plate pin transmission arm 71 resets rapidly under 17 effects of Air strangler spindle torsion spring, thereby make chock plate 11 open fuel delivery chamber 10, make air continuously from chock plate 11 10 interior conveyings, to satisfy the needs of motor under other situations except that idling operation toward the fuel delivery chamber.But this moment, motor was in work under the denseer mixed gas, and gasoline atomizing efficient is low.In order to make motor be in work under rarer mixed gas, need continue to pull throttle plate pin handle 640.When just conflicting air cavity throttle plate pin swing frame 61, the root of the chute 620 of connecting rod 62 continues to pull throttle plate pin handle 640, make transmission arm parts 63 order about connecting rod 62, and the traveller 610 that connecting rod 62 promotes on the air cavity throttle plate pin swing frame 61 rotates around air cavity throttle plate pin 60, thereby make the air cavity closure 51 that is fixed on the air cavity throttle plate pin 60 open gradually, finally reach compensated with air chamber 50 opening states as shown in Figure 7 and Figure 8.This moment, motor was in work under rarer mixed gas state, thereby had improved gasoline atomizing efficient, made and started the performance work of function with optimum, reduced pollutant emission, thereby protected environment better.When discharging throttle plate pin handle 640, reset rapidly under the effect by air cavity torsion spring 9 and closure torsion spring 8, the final idling mode that recovers as shown in Figure 3 and Figure 4 is to satisfy the requirement of motor at idling mode.
Air cavity parts 5 of the present utility model separate with Carburetor body 1, make that Carburetor 100 is easy for installation, and are easy to manufacture.Because linking mechanism 6 of the present utility model and air cavity parts 5; and linking mechanism 6 is intermittently to conflict and cooperates; air cavity parts 5 have compensated with air chamber 50; make air cavity closure 51 when fuel delivery chamber closure 12 is opened fuel delivery chamber 10 1 prearranging quatitys, precisely be driven and open compensated with air chamber 50; make compensated with air chamber 50 for fuel delivery chamber 10 provide extra endlessly fresh air with satisfy motor except that idling operation to requirement than weak mixture; thereby improved gasoline atomizing efficient; make and start the performance work of function with optimum; reduce pollutant emission, thereby protect environment better.Simultaneously, when the idling work state, air cavity closure 51 is closed compensated with air chamber 50 simultaneously, and fuel delivery chamber closure 12 is closed an end in fuel delivery chamber 10 simultaneously, makes motor be in preferable air fuel ratio to satisfy the job requirement of motor under idling mode when the idling work state.
The concrete shape of Carburetor body 1, oil inlet pipe interface 4, fuel delivery chamber closure 12 and chock plate 11 that the split type Carburetor of the utility model two-chamber 100 is related, it is known according to actual needs that each constituent element of starting arrangement, main oil supplying device and idling oil supplying device is those of ordinary skills, no longer is described in detail at this.
Above disclosed only is preferred embodiments of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.

Claims (7)

1. split type Carburetor of two-chamber, be adapted to be installed on the motor, comprise the Carburetor body and be arranged at main oil supplying device on the described Carburetor body, the idling oil supplying device, starting arrangement and oil inlet pipe interface, described Carburetor body offers the fuel delivery chamber, be respectively equipped with rotatable chock plate and fuel delivery chamber closure in the described fuel delivery chamber, it is characterized in that: also comprise being separated with described Carburetor body and being fixed in air cavity parts on the frame of described motor, described air cavity parts offer the compensated with air chamber, one end in described compensated with air chamber is provided with rotatable air cavity closure, the other end in described compensated with air chamber is connected with the cylinder body of described motor, between described air cavity closure and described fuel delivery chamber closure, be provided with linking mechanism, described linking mechanism and described Carburetor body form crankrocker mechanism, the described linking mechanism that forms crankrocker mechanism is intermittently to conflict and cooperates, and constitutes described air cavity closure and driven the described compensated with air of unlatching chamber when described fuel delivery chamber closure is opened described fuel delivery chamber one prearranging quatity.
2. the split type Carburetor of two-chamber as claimed in claim 1, it is characterized in that: described linking mechanism comprises the air cavity throttle plate pin, air cavity throttle plate pin swing frame, connecting rod, transmission arm parts and fuel delivery chamber throttle plate pin, the body of described air cavity throttle plate pin and described air cavity parts articulates, and an end of described air cavity throttle plate pin and described air cavity closure are fixed, one end of the other end and described air cavity throttle plate pin swing frame is fixed, the other end of described air cavity throttle plate pin swing frame is intermittently to conflict with an end of described connecting rod and cooperates, constitute described air cavity closure and when described fuel delivery chamber closure is opened described fuel delivery chamber one prearranging quatity, driven the described compensated with air of unlatching chamber, one end of the other end of described connecting rod and described transmission arm parts articulates, the other end of described transmission arm parts is fixed in an end of described fuel delivery chamber throttle plate pin, the other end of described fuel delivery chamber throttle plate pin and described Carburetor body articulate and fix with described fuel delivery chamber closure, are provided with the Air strangler spindle parts of doing to cooperate interlock with described transmission arm parts in described chock plate.
3. the split type Carburetor of two-chamber as claimed in claim 2, it is characterized in that: described Air strangler spindle parts comprise Air strangler spindle, throttle plate pin transmission arm and Air strangler spindle swing frame, described Air strangler spindle is articulated on the described Carburetor body, and an end and the described chock plate of described Air strangler spindle are fixed, and the other end is hinged with described throttle plate pin transmission arm and Air strangler spindle swing frame respectively.
4. the split type Carburetor of two-chamber as claimed in claim 2, it is characterized in that: described connecting rod offers the opening chute, described air cavity throttle plate pin swing frame is provided with the traveller that is complementary with described opening chute, described traveller is intermittently to conflict when described opening chute slides and cooperates, and constitutes described air cavity closure and driven unlatching when described fuel delivery chamber closure is opened a prearranging quatity.
5. the split type Carburetor of two-chamber as claimed in claim 4 is characterized in that: described opening chute is microscler chute, and the opening end of described microscler chute stretches out and forms the opening portion of being convenient to install, and described opening portion inwardly convexes into the abjunction preventing part.
6. the split type Carburetor of two-chamber as claimed in claim 2, it is characterized in that: also be provided with the closure torsion spring in described fuel delivery chamber throttle plate pin and described Carburetor body joint, one end of described closure torsion spring is fixedly arranged on the throttle plate pin of described fuel delivery chamber, and the other end is fixedly arranged on the described Carburetor body; Between described air cavity parts and described air cavity throttle plate pin swing frame, be provided with the air cavity torsion spring, described air cavity torsion spring set is located on the described air cavity throttle plate pin and an end and described air cavity parts are fixed, and the other end and described air cavity throttle plate pin swing frame are fixed; Between described Carburetor body and described throttle plate pin transmission arm, be provided with the Air strangler spindle torsion spring, described Air strangler spindle torsion spring set is located on the described Air strangler spindle and an end and the conflict of described throttle plate pin transmission arm, and the other end and described fuel delivery chamber throttle plate pin are conflicted.
7. the split type Carburetor of two-chamber as claimed in claim 2, it is characterized in that: described throttle plate pin transmission arm is provided with the side groove, described transmission arm parts are provided with and the corresponding side projection of described side groove, and described side projection matches with described side groove and constitutes described chock plate and close with described fuel delivery chamber closure and open.
CN200920193528XU 2009-08-27 2009-08-27 Double-cavity split type carburetor Expired - Fee Related CN201496169U (en)

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CN201496169U true CN201496169U (en) 2010-06-02

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102444502A (en) * 2011-12-31 2012-05-09 福鼎市佳磐通用部件有限公司 Throttle valve control device of general machine carburetor
CN106930867A (en) * 2017-05-15 2017-07-07 郭晓峰 Carburetor resetting-mechanism and carburetor
WO2020083306A1 (en) * 2018-10-24 2020-04-30 苏州科瓴精密机械科技有限公司 Automatic air valve control system for gasoline engine and gasoline engine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102444502A (en) * 2011-12-31 2012-05-09 福鼎市佳磐通用部件有限公司 Throttle valve control device of general machine carburetor
CN106930867A (en) * 2017-05-15 2017-07-07 郭晓峰 Carburetor resetting-mechanism and carburetor
WO2020083306A1 (en) * 2018-10-24 2020-04-30 苏州科瓴精密机械科技有限公司 Automatic air valve control system for gasoline engine and gasoline engine

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