阅读说明：本技术 二冲程转阀式双泵体燃油全自动混合真空膜片化油器组件 (Two-stroke rotary valve type double-pump body fuel oil full-automatic mixing vacuum diaphragm carburetor assembly ) 是由 陈小卫 郑敬新 郑敬亭 于 2021-08-05 设计创作，主要内容包括：本发明公开了二冲程转阀式双泵体燃油全自动混合真空膜片化油器组件,包括主量针套、主量针、主量针弹簧、转阀摆臂组件、拉线支架组件和转阀压板组件、中体组件；拉线转轴与油门拉线连接,用于带动摆臂的转动,所述摆臂的底部配合转阀压板将转阀压板底部固定的转阀小钢球进行摆动处理。本发明通过油门拉线连接拉线转轴带动摆臂,靠摆臂底部斜坡顶着转阀压板固定的小钢球摆动升降主量针,可随意控制化油器油门油量大小,从而能使发动机按所需的油量空气量大小正常控制转速工作。(The invention discloses a two-stroke rotary valve type double-pump body fuel oil full-automatic mixing vacuum diaphragm carburetor assembly, which comprises a main measuring needle sleeve, a main measuring needle spring, a rotary valve swing arm assembly, a stay wire support assembly, a rotary valve pressing plate assembly and a middle body assembly, wherein the main measuring needle sleeve is fixedly connected with the main measuring needle; the pull wire rotating shaft is connected with the accelerator pull wire and used for driving the swing arm to rotate, and the bottom of the swing arm is matched with the rotary valve pressing plate to swing the rotary valve small steel ball fixed at the bottom of the rotary valve pressing plate. The invention drives the swing arm by connecting the accelerator pull wire with the pull wire rotating shaft, and pushes the small steel ball fixed on the rotary valve pressing plate to swing and lift the main metering pin by the slope at the bottom of the swing arm, so that the oil quantity of the accelerator of the carburetor can be controlled at will, and the engine can normally control the rotating speed according to the required oil quantity and air quantity.)

1. The full-automatic mixing vacuum diaphragm carburetor assembly of two-stroke rotary valve type double-pump fuel is characterized by comprising a main measuring needle sleeve (1), a main measuring needle (2), a main measuring needle spring (3), a rotary valve swing arm assembly, a stay wire support assembly, a rotary valve pressing plate assembly and a middle body assembly;

the rotary valve swing arm assembly comprises a stay wire rotating shaft (4), a swing arm (5) and a rotating shaft clamping ring (6), the stay wire support assembly comprises a stay wire support (7), a support fixing screw (8), a stay wire conduit fixing nut (9), a stay wire conduit (10) and a rubber dustproof sleeve (11), and the rotary valve pressing plate assembly comprises a rotary valve pressing plate (12), an accelerator adjusting screw (13), a rotary valve small steel ball (14), a rotary valve torsion spring (15) and a rotary valve (16);

the pull wire rotating shaft (4) is connected with an accelerator pull wire and used for driving the swing arm (5) to rotate, and the bottom of the swing arm (5) is matched with the rotary valve pressing plate (12) to swing the rotary valve small steel ball (14) fixed at the bottom of the rotary valve pressing plate (12);

the lifting device is characterized in that a main gauge needle (2) is arranged in the main gauge needle sleeve (1), a main gauge needle spring (3) is sleeved on the main gauge needle (2), and the lifting of the main gauge needle (2) can be controlled by the swing of a rotary valve small steel ball (14).

2. The fuel automatic mixing vacuum diaphragm carburetor assembly of two-stroke rotary valve type double-pump body according to claim 1, characterized in that the middle body assembly comprises a middle body (17) and a main nozzle (18), the mixing ratio screw assembly comprises a mixing ratio screw (19), a spring (20), a gasket (21) and an O-shaped rubber ring (22), the mixing ratio screw (19), the spring (20), the gasket (21) and the O-shaped rubber ring (22) are matched and arranged to form the mixing ratio screw assembly, the middle body (17), the main nozzle (18) and the middle body assembly comprising the mixing ratio screw assembly, the rotary valve assembly is installed in a rotary valve hole corresponding to the middle body (17), and the mixing ratio screw assembly is installed through a mixing ratio hole of the middle body (17), so that the gasoline inlet amount corresponding to the high speed of the engine can be controlled.

3. The two-stroke rotary valve type double-pump fuel oil full-automatic mixing vacuum diaphragm carburetor assembly according to claim 1, further comprising an engine oil pump body assembly, specifically comprising an engine oil pump body paper pad (23), an engine oil pump diaphragm (24), and a pump body assembly, wherein the pump body assembly comprises a pump body (25), an engine oil inlet pipe (26) and an engine oil mixing ratio screw (27), and the engine oil pump body assembly is installed below the middle body assembly, and engine oil is automatically pumped from an oil tank into the engine oil inlet pipe and into the carburetor cavity through a negative pressure hole on the surface of the middle body.

4. The full-automatic mixing vacuum diaphragm carburetor assembly of two-stroke rotary valve type double-pump body fuel oil according to claim 1, further comprising a gasoline pump body assembly, wherein the gasoline pump body assembly comprises a gasoline pump body paper pad (28) and a gasoline pump oil diaphragm (29), and the gasoline pump body assembly (30) further comprises: a gasoline pump body (30-1), a gasoline inlet pipe (30-2) and a gasoline return pipe (30-3).

5. The two-stroke rotary valve type double-pump body fuel oil full-automatic mixing vacuum diaphragm carburetor assembly according to claim 1, further comprising a needle valve rocker arm assembly (31), specifically comprising: the needle valve comprises a needle valve seat (31-1), a needle valve core (31-2), a rocker arm (31-3), a rocker arm shaft (31-4), a rocker arm shaft fixing screw (31-5) and a rocker arm spring (31-6).

6. The dual stroke rotary valve type dual pump body fuel automatic mixing vacuum diaphragm carburetor assembly according to claim 1, further comprising a one-way valve seat assembly (32), the one-way valve seat assembly (32) comprising: a one-way valve body (32-1), a membrane (32-2), a catch (32-3) and a balance membrane paper pad (32-4).

7. A two-stroke rotary valve type dual pump fuel automatic mixing vacuum diaphragm carburetor assembly according to claim 1, further comprising a balance diaphragm assembly (33), said balance diaphragm assembly (33) comprising: a balance rubber diaphragm (33-1), a diaphragm shaft (33-2), a large clamping piece (33-3) and a small clamping piece (33-4).

Still include grease squirt seat subassembly (34), specifically include: the oil injector comprises an oil injector seat body (34-1), a valve seat (34-2), an umbrella valve (34-3), a steel ball (34-4), an oil bubble (34-5), an oil bubble pressing plate (34-6) and a pressing plate fixing screw (34-7).

Technical Field

The invention relates to the technical field of carburettors, in particular to a two-stroke rotary valve type double-pump body fuel oil full-automatic mixing vacuum diaphragm carburetor assembly.

Background

Carburetors are the primary means by which a certain amount of fuel is mixed with air to allow the engine to run normally. During the engine start, the engine is started by closing the intake passage, reducing the air amount, and increasing the concentration of the air-fuel mixture entering the engine. However, the carburetors on the market are generally not free of drawbacks. Before the carburetor leaves the factory, the regulating oil needle for controlling the oil supply amount of the main oil supply device and the idling oil supply device is regulated according to the technical state matched with the engine, so that when the carburetor supplies oil to the engine, the proportion of fuel oil and air achieves the optimal mixing ratio to exert the optimal performance of the engine, and the aim of saving energy is fulfilled. However, in order to increase the probability of successful engine starting and reduce the number of engine starts, it is accordingly necessary to operate the carburetor at a high fuel to air ratio. After the start is completed, when the carburetor works in a normal state, the carburetor is required to work in an optimal mixing state correspondingly to exert the optimal performance of the engine, prolong the service life of the engine and reduce exhaust pollution.

The existing two-stroke engine is troublesome in blending mixed oil by manual proportioning, and the use efficiency of full-automatic mixed fuel oil in the use process of the two-stroke engine is limited.

Disclosure of Invention

The invention aims to provide a two-stroke rotary valve type double-pump body fuel oil full-automatic mixing vacuum diaphragm carburetor assembly to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the two-stroke rotary valve type double-pump body fuel oil full-automatic mixing vacuum diaphragm carburetor assembly comprises a main measuring needle sleeve, a main measuring needle spring, a rotary valve swing arm assembly, a stay wire support assembly, a rotary valve pressing plate assembly and a middle body assembly;

the rotary valve swing arm assembly comprises a stay wire rotating shaft, a swing arm and a rotating shaft clamping ring, the stay wire support assembly comprises a stay wire support, a support fixing screw, a stay wire guide pipe fixing nut, a stay wire guide pipe and a rubber dustproof sleeve, and the rotary valve pressing plate assembly comprises a rotary valve pressing plate, an accelerator adjusting screw, a rotary valve small steel ball, a rotary valve torsional spring and a rotary valve;

the pull wire rotating shaft is connected with an accelerator pull wire and used for driving the swing arm to rotate, and the bottom of the swing arm is matched with the rotary valve pressing plate to perform swing treatment on a rotary valve small steel ball fixed at the bottom of the rotary valve pressing plate;

the main gauge needle is arranged in the main gauge needle sleeve, a main gauge needle spring is sleeved on the main gauge needle, and the swinging of the rotary valve small steel ball can control the lifting processing of the main gauge needle.

Preferably, the middle body assembly comprises a middle body and a main nozzle, and the mixing ratio screw assembly comprises a mixing ratio screw, a spring, a gasket and an O-shaped rubber ring, the mixing ratio screw, the spring, the gasket and the O-shaped rubber ring are matched and arranged to form the mixing ratio screw assembly, the middle body, the main nozzle and the mixing ratio screw assembly, the rotary valve assembly is arranged in a rotary valve hole corresponding to the middle body, and the mixing ratio screw assembly is arranged through a mixing ratio hole of the middle body, so that the gasoline inlet amount corresponding to the high speed of the engine can be controlled.

Preferably, still include the machine oil pump body subassembly, specifically include machine oil pump body paper pad, machine oil pump oil diaphragm, pump body subassembly includes that the pump body, machine oil advance oil pipe, machine oil mixing ratio screw, and machine oil pump body subassembly is installed in well body subassembly below, through well body surface negative pressure hole, inserts machine oil into oil pipe pump to the automatic oil tank of following of oil tank and goes into in the carburetor cavity.

Preferably, still include petrol pump body subassembly, petrol pump body subassembly is by petrol pump body paper pad, petrol pump oil diaphragm, and petrol pump body subassembly still includes: the gasoline pump body, the gasoline inlet pipe, the gasoline return pipe.

Preferably, still include needle valve rocker arm subassembly, specifically include: needle valve seat, needle valve core, rocker arm shaft fixing screw and rocker arm spring-.

Preferably, also include one-way valve seat assembly, one-way valve seat assembly includes: one-way valve body-, diaphragm-, catch-, and balanced diaphragm paper pad-;

preferably, a balanced diaphragm assembly is further included, the balanced diaphragm assembly comprising: balance rubber diaphragm, diaphragm axle-, big clip and little clip.

Still include the grease squirt seat subassembly, specifically include: the oil injector comprises an oil injector seat body, a valve seat, an umbrella valve, a steel ball, oil bubbles, an oil bubble pressing plate and a pressing plate fixing screw.

Compared with the prior art, the invention has the beneficial effects that:

the throttle cable is connected with the cable rotating shaft to drive the swing arm, the small steel ball fixed by the rotary valve pressing plate is propped against the slope at the bottom of the swing arm to swing and lift the main metering needle, the oil quantity of the throttle of the carburetor can be controlled at will, and therefore the engine can normally control the rotating speed to work according to the required oil quantity and air quantity; the pressing plate is fixed and correspondingly connected below the engine oil pump body through screws. Before the engine is started, the oil bubble pump oil is continuously pressed to make the gasoline in the oil tank be fully pumped into the carburetor cavity body by means of oil inlet pipe, after the engine oil is started, according to the flow rate ratio regulated by oil pump and gasoline pump in advance, the vacuum negative pressure produced by continuous operation of engine can be used for pumping balance diaphragm in the carburetor cavity body from air inlet of machine and negative pressure hole on surface of middle body to make it work up and down, continuously driving rocker arm needle valve, vacuum pumping oil diaphragm and one-way valve plate and continuously working at the same time, the sucked oil can be mixed and fed into main nozzle and sprayed out, and atomized by means of air fed into throat opening, and sucked into combustion chamber and combusted and exploded so as to push piston connecting rod crankshaft to simultaneously work. The engine oil sucked during explosion can also make the piston ring of the cylinder piston automatically achieve the lubricating effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a rotary valve assembly of the present invention;

FIG. 3 is a schematic structural view of the internal body assembly of the present invention;

FIG. 4 is a schematic view of the engine oil pump body assembly of the present invention;

FIG. 5 is a schematic structural view of a gasoline pump body assembly according to the present invention;

FIG. 6 is a schematic view of the structure of the gasoline pump body assembly of the present invention;

FIG. 7 is a schematic diagram of a needle valve rocker arm assembly of the present invention;

FIG. 8 is a schematic view of a one-way valve seat assembly of the present invention;

FIG. 9 is a schematic structural view of a balanced diaphragm assembly according to the present invention;

FIG. 10 is a schematic view of the grease fitting assembly construction.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, the two-stroke rotary valve type double-pump fuel oil full-automatic mixing vacuum diaphragm carburetor assembly of the present invention includes a main needle measuring sleeve 1, a main needle measuring needle 2, a main needle measuring needle spring 3, a rotary valve swing arm assembly, a pull wire support assembly, a rotary valve press plate assembly and a middle body assembly;

the rotary valve swing arm assembly comprises a stay wire rotating shaft 4, a swing arm 5 and a rotating shaft clamping ring 6, the stay wire support assembly comprises a stay wire support 7, a support fixing screw 8, a stay wire guide pipe fixing nut 9, a stay wire guide pipe 10 and a rubber dustproof sleeve 11, and the rotary valve pressing plate assembly comprises a rotary valve pressing plate 12, an accelerator adjusting screw 13, a rotary valve small steel ball 14, a rotary valve torsion spring 15 and a rotary valve 16;

the pull wire rotating shaft 4 is connected with an accelerator pull wire and is used for driving the swing arm 5 to rotate, and the bottom of the swing arm 5 is matched with the rotary valve pressing plate 12 to swing the rotary valve small steel ball 14 fixed at the bottom of the rotary valve pressing plate 12;

a main gauge needle 2 is arranged in the main gauge needle sleeve 1, a main gauge needle spring 3 is sleeved on the main gauge needle 2, and the swinging of the rotary valve small steel ball 14 can control the lifting processing of the main gauge needle 2.

The throttle cable is connected with the cable-pulling rotating shaft to drive the swing arm, the small steel ball fixed by the rotary valve pressing plate is pushed against the slope at the bottom of the swing arm to swing and lift the main metering needle, the throttle oil quantity of the carburetor can be controlled at will, and therefore the engine can normally control the rotating speed to work according to the required oil quantity and air quantity.

The middle body assembly of the embodiment comprises a middle body 17, a main nozzle 18, a mixing ratio screw assembly, a middle body 17, a main nozzle 18 and a mixing ratio screw assembly, wherein the mixing ratio screw assembly comprises a mixing ratio screw 19, a spring 20, a gasket 21 and an O-shaped rubber ring 22, the mixing ratio screw 19, the spring 20, the gasket 21 and the O-shaped rubber ring 22 are matched and arranged to form the mixing ratio screw assembly, the middle body 17, the main nozzle 18 and the mixing ratio screw assembly form the middle body assembly, the rotary valve assembly is installed in a rotary valve hole opposite to the middle body 17, and the mixing ratio screw assembly is installed through a mixing ratio hole of the middle body 17, so that the gasoline inlet amount corresponding to the high speed of the engine can be controlled.

The rotary valve assembly is arranged in a rotary valve hole corresponding to the middle body, the mixing ratio screw assembly is arranged through a mixing ratio hole of the middle body, the gasoline inlet amount corresponding to the high speed of the engine can be controlled, the rotary valve swing arm is pulled when the engine works, the rotary valve is opened, the main metering needle is lifted, corresponding gasoline can enter the mixing ratio hole from the hole at the bottom of the middle body, and the gasoline is sprayed out through the main nozzle to be continuously sucked into a combustion chamber of the engine through throat air mixing atomization.

The embodiment also includes the machine oil pump body subassembly, specifically includes machine oil pump body paper pad 23, machine oil pump diaphragm 24, and pump body subassembly, pump body subassembly include the pump body 25, machine oil advance oil pipe 26, machine oil mixing ratio screw 27, and machine oil pump body unit mount is in well body subassembly below, through well body surface negative pressure hole, inserts machine oil into oil pipe pump to advance the carburetor intracavity to the automatic oil that follows the oil tank.

The device is correspondingly arranged below the middle body, the negative pressure hole on the surface of the middle body is utilized, the oil pump diaphragm suction principle is driven by the vacuum negative pressure when the engine works, oil is continuously pumped, the engine oil is automatically connected into an engine oil inlet pipe from an oil tank and pumped into a carburetor cavity, the required oil quantity is controlled by an engine oil mixing ratio screw, the sucked gasoline is automatically mixed and is sprayed out through a main nozzle, and is atomized by throat air and continuously sucked into an engine cylinder for combustion and explosion, the problem that the mixed oil is blended by manual ratio of the two-stroke engine all the time is solved, and the new function of fully automatically mixing the fuel oil in the use process of the two-stroke engine is further improved.

The still include petrol pump body subassembly of this embodiment, petrol pump body subassembly is by petrol pump body paper pad 28, petrol pump oil diaphragm 29, and petrol pump body subassembly 30 still includes: 30-1 parts of a gasoline pump body, 30-2 parts of a gasoline inlet pipe and 30-3 parts of a gasoline return pipe.

The present embodiment further includes a needle valve rocker arm assembly 31, which specifically includes: needle valve seat 31-1, needle valve core 31-2, rocker arm 31-3, rocker arm shaft 31-4, rocker arm shaft fixing screw 31-5 and rocker arm spring 31-6.

Further included in this embodiment is a one-way valve seat assembly 32, the one-way valve seat assembly 32 comprising: a one-way valve body 32-1, a membrane 32-2, a catch 32-3 and a balance membrane paper pad 32-4;

further included in this embodiment is a balanced diaphragm assembly 33, the balanced diaphragm assembly 33 comprising: a balance rubber diaphragm 33-1, a diaphragm shaft 33-2, a large clamping piece 33-3 and a small clamping piece 33-4.

Still include the lubricator seat subassembly 34, specifically include: the oil injector comprises an oil injector base 34-1, a valve base 34-2, an umbrella valve 34-3, a steel ball 34-4, an oil bubble 34-5, an oil bubble pressure plate 34-6 and a pressure plate fixing screw 34-7.

The pressing plate is fixed and correspondingly connected below the engine oil pump body through screws. Before the engine is started, the oil bubble pump oil is continuously pressed to make the gasoline in the oil tank be fully pumped into the carburetor cavity body by means of oil inlet pipe, after the engine oil is started, according to the flow rate ratio regulated by oil pump and gasoline pump in advance, the vacuum negative pressure produced by continuous operation of engine can be used for pumping balance diaphragm in the carburetor cavity body from air inlet of machine and negative pressure hole on surface of middle body to make it work up and down, continuously driving rocker arm needle valve, vacuum pumping oil diaphragm and one-way valve plate and continuously working at the same time, the sucked oil can be mixed and fed into main nozzle and sprayed out, and atomized by means of air fed into throat opening, and sucked into combustion chamber and combusted and exploded so as to push piston connecting rod crankshaft to simultaneously work. The engine oil sucked during explosion can also make the piston ring of the cylinder piston automatically achieve the lubricating effect.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.