CN110700968A

CN110700968A - Carburetor structure for preventing fuel cut-off at bumpy road section

Info

Publication number: CN110700968A
Application number: CN201910895344.6A
Authority: CN
Inventors: 徐荣义; 彭润富
Original assignee: Wuhu Sun God Auto Parts Manufacturing Co Ltd
Current assignee: Wuhu Sun God Auto Parts Manufacturing Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-01-17
Anticipated expiration: 2039-09-20
Also published as: CN110700968B

Abstract

The invention discloses a carburetor structure for preventing oil cut-off in a bumpy road section, which mainly comprises an oil shell base, an oil shell, a magnetic induction device and a floater, wherein magnet sheets are symmetrically arranged on the floater, the magnetic induction device arranged on the outer wall of the oil shell is used for tracking the position of the magnet sheet on the floater by using an electromagnetic induction element module, the magnetic induction device can slide up and down in a guide rail groove to match with the movement of the floater, the swinging condition of the floater is sensed in real time, then, the electromagnetic induction processing chip is used for carrying out data control, and when the swinging frequency of the floater is overhigh, the electromagnetic induction processing chip sends a command to a chip actuator to supply power to an electromagnet at the front end to generate magnetic attraction, so that the magnetic attraction is formed with the magnet sheet on the floater, and the aim of controlling the floater. The invention can prevent the oil feeding of the carburetor from being interrupted continuously due to severe fluctuation by controlling the fluctuation of the float, thereby avoiding the phenomenon that the engine stalls when the road is bumpy.

Description

Carburetor structure for preventing fuel cut-off at bumpy road section

Technical Field

The invention mainly relates to the technical field of carburettors, in particular to a carburetor structure for preventing oil cut-off in a bumpy road section.

Background

A carburetor (carburetor) is a mechanical device that mixes a certain proportion of gasoline with air under the action of vacuum generated by the operation of an engine. A carburetor is a precise mechanical device which utilizes the kinetic energy of the intake air flow to atomize gasoline. Its important role in the engine may be referred to as the engine's "heart". The complete device comprises a starting device, an idling device, a medium load device, a full load device and an accelerating device. The carburetor can automatically match corresponding concentration according to different working state requirements of the engine and output corresponding amount of mixed gas, and in order to enable the mixed gas to be uniformly mixed, the carburetor also has the effect of atomizing fuel oil so as to enable a machine to normally run.

Most of existing carburettors control oil inlet amount by using a floater, and in daily use, when vehicles such as automobiles or motorcycles pass through bumpy road sections, the floater in the carburettor swings indefinitely due to excessive shaking, although the shaking is not large, timeliness of oil supply is affected, and flameout of an engine due to insufficient oil supply can be caused by the fact that an oil way is broken, so that a vehicle owner is troubled.

Therefore, an accurate control is required to be performed on the float of the carburetor, and oil can be stably supplied under the condition of severe shaking, so that the work of the engine tends to be normalized, and the phenomenon of flameout is well avoided.

Disclosure of Invention

The invention mainly provides a carburetor structure for preventing oil cut-off in a bumpy road section, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a carburetor structure for preventing oil cut-off at a bumpy road section comprises a carburetor body, wherein an oil shell fixing seat is arranged on the outer wall of one side of the carburetor body, an oil shell is connected to the oil shell fixing seat in a matching manner, a magnetic induction device is vertically arranged on the outer wall of one side of the oil shell, a guide rail groove is vertically formed in the shell of the magnetic induction device, an electromagnetic inductor and an electromagnet positioner are respectively clamped in the guide rail groove, the top of the electromagnet positioner is connected with the bottom shell of the electromagnetic inductor, and the electromagnetic inductor and the electromagnet positioner are both in sliding connection with the guide rail groove;

an electromagnetic induction element module is arranged at one end, close to the oil casing, inside the electromagnetic inductor, and the rear end of the electromagnetic induction element module is connected with an electromagnetic induction processing chip through a lead;

an electromagnet is arranged at one end, close to the oil casing, inside the electromagnet positioner, and the rear end of the electromagnet is connected with a chip actuator through a lead;

be equipped with the float in the oil casing fixing base, the symmetry is embedded to have the magnet piece on the outer wall of float, and is close to magnetic induction system one side the mounted position of magnet piece with magnetic induction system's mounted position is corresponding.

Preferably, the float is including connecting the bridge, connect two bridge seats of bridge with the opening part of float is the hot melt and connects, just it runs through along horizontal center pin to be equipped with spacing needle to connect the bridge of bridge inside, the both ends of spacing needle extend to the outside symmetry in both sides of connecting the bridge alternates and is connected with the haplopore stationary blade, two the haplopore stationary blade with one side inner wall of oil casing fixing base is connected.

Preferably, the connecting bridge is close to hot melt connection has the tongue piece on the opening part one end outer wall of float, the upper and lower both sides symmetry of tongue piece is equipped with the arc wall on the surface, just the cover is equipped with the triangle needle valve on the tongue piece.

Preferably, the one end that the syringe needle was kept away from to the triangle needle valve is equipped with hangs and detains, it corresponds the card and locates two to hang be swing joint in the arc wall, just the triangle needle valve is equipped with the gum cover on being close to the one end outer wall of syringe needle.

Preferably, the outer wall of oil casing fixing base is equallyd divide and is equipped with four first haplopore fixed ears, just the inside center department of oil casing fixing base is equipped with main volume passageway pillar pipe, main volume passageway pillar pipe is close to two the one end of haplopore stationary blade is equipped with the oil feed inner prop pipe, main volume passageway pillar pipe is kept away from the one end of oil feed inner prop pipe is equipped with supplementary graduated bore pillar pipe.

Preferably, the outer wall of one end, close to the opening, of the oil casing is equally divided into four second single-hole fixing lugs, the second single-hole fixing lugs are connected with the first single-hole fixing lugs one by one in a corresponding mode, and the connection mode is bolt fixing.

Preferably, a hole injection screw penetrates through the center of the bottom of the inner shell of the oil shell, and the hole injection screw is connected with the inner wall of the opening end of the main-quantity channel column tube in a threaded engagement mode.

Preferably, the opening of the oil inlet inner column tube is located under the triangle needle valve, the outer wall of the rubber sleeve is connected with the inner wall of the oil inlet inner column tube, and the connection mode is contact but unfixed.

Preferably, one end of the oil inlet inner column tube, which is far away from the triangular needle valve, penetrates through the oil casing fixing seat and extends to the outer wall of the carburetor body, and an L-shaped oil inlet tube is connected to the outer wall of the carburetor body.

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

the invention symmetrically arranges magnet sheets on the float of the carburetor, keeps the balance performance of the float, accurately calculates and designs the volume and the mass of the magnet sheets, does not influence the function of the float, then tracks the position of the magnet sheets on the inner float by using an electromagnetic induction element module by virtue of a magnetic induction device arranged on the outer wall of an oil shell, enables the magnetic induction device to slide up and down in a guide rail groove, is convenient for sensing the swing condition of the float in real time, controls the data by an electromagnetic induction processing chip arranged by a computer program, quickly reacts on the electromagnetic induction processing chip for processing when the swing frequency of the float is overhigh, receives an order by a chip actuator under the order of the electromagnetic induction processing chip, supplies power to an electromagnet at the front end to generate magnetic attraction force so as to form attraction magnetic force with the magnet sheets on the float, the fluctuation range of the float is effectively controlled, so that the oil inlet cannot be interrupted continuously due to severe fluctuation, the carburetor can stably supply oil under the condition of severe shaking, the engine is ensured to work in a normal state, and the flameout phenomenon is avoided.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of the oil casing fixing seat structure of the present invention;

FIG. 2 is a schematic view of the oil containment structure of the present invention;

FIG. 3 is a schematic view of the float configuration of the present invention;

FIG. 4 is a schematic view of a triangular needle valve according to the present invention;

FIG. 5 is a cross-sectional view of the internal structure of a magnetic induction device of the present invention;

fig. 6 is a flow chart of the working principle of the magnetic induction device of the present invention.

Description of the drawings: 1. a carburetor body; 11. an oil casing fixing seat; 111. a first single-hole fixed ear; 112. a single-hole fixing sheet; 113. an oil inlet inner column pipe; 114. a primary volume channel column tube; 115. an auxiliary metering orifice pillar; 12. an oil shell; 121. a second single-hole ear-fixing; 122. a magnetic induction device; 122a, guide rail grooves; 122b, an electromagnetic inductor; 122b-1, an electromagnetic induction processing chip; 122b-2, an electromagnetic induction element module; 122c, an electromagnet positioner; 122c-1, an electromagnet; 122c-2, a chip actuator; 123. a hole injection screw; 13. a float; 131. a connecting bridge; 131a, a tongue; 131a-1 and an arc-shaped groove; 132. a limit needle; 133. a magnet piece; 14. a triangular needle valve; 141. hanging and buckling; 142. a rubber sleeve; 15. an L-shaped oil inlet pipe.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In a first embodiment, please refer to fig. 1-6, a carburetor structure for preventing fuel cut-off in a bumpy road section includes a carburetor body 1, an oil casing fixing seat 11 is disposed on an outer wall of one side of the carburetor body 1, an oil casing 12 is fit-connected to the oil casing fixing seat 11, a magnetic induction device 122 is vertically disposed on an outer wall of one side of the oil casing 12, a guide rail groove 122a is vertically disposed on a casing of the magnetic induction device 122, an electromagnetic inductor 122b and an electromagnet positioner 122c are respectively clamped in the guide rail groove 122a, a top of the electromagnet positioner 122c is connected to a bottom casing of the electromagnetic inductor 122b, and the electromagnetic inductor 122b and the electromagnet positioner 122c are both slidably connected to the guide rail groove 122 a; an electromagnetic induction element module 122b-2 is arranged at one end, close to the oil casing 12, inside the electromagnetic inductor 122b, and the rear end of the electromagnetic induction element module 122b-2 is connected with an electromagnetic induction processing chip 122b-1 through a lead; an electromagnet 122c-1 is arranged at one end, close to the oil casing 12, inside the electromagnet positioner 122c, and the rear end of the electromagnet 122c-1 is connected with a chip actuator 122c-2 through a lead; be equipped with float 13 in the oil casing fixing base 11, the symmetry is embedded to have magnet piece 133 on the outer wall of float 13, and is close to magnetic induction device 122 one side the mounted position of magnet piece 133 with magnetic induction device 122's mounted position is corresponding. In this embodiment, the electromagnetic induction element module 122b-2 in the electromagnetic inductor 122b is a micro integrated module capable of receiving magnetic rays, the electromagnetic induction processing chip 122b-1 based on the LQFP64 data acquisition system IC element is used as a control center, after a set value is input through a computer program, the fluctuation frequency information of the float 13 tracked by the electromagnetic induction element module 122b-2 is processed, when the set value exceeds a set frequency value, a command is sent to the chip actuator 122c-2 in the electromagnet positioner 122c, the chip actuator 122c-2 controls the power supply of the electromagnet 122c-1 by adopting a control method of conducting current on-off on a line, the electromagnet 122c-1 generates magnetic force during power on to control the magnetic attraction of the magnet piece 133 on the float 13, so as to reduce the fluctuation amplitude and fluctuation frequency of the float 13, the oil path is in a state of continuous oil supply, the electrifying time of the electromagnet 122c-1 is intermittent and is about 5-6 seconds, the electromagnet induction processing chip 122b-1 controls the electromagnet induction processing chip, after the electrifying time is over, the electromagnet induction element module 122b-2 still tracks that the fluctuation frequency of the floater 13 exceeds a set value in the next 1-3 seconds, and the electromagnet induction processing chip 122b-1 continues to send an electrifying command, and the steps are repeated until the fluctuation frequency of the floater 13 tends to be normal.

In the second embodiment, please refer to fig. 1, 3 and 4 again, the float 13 includes a connecting bridge 131, two bridge seats of the connecting bridge 131 are connected with the opening of the float 13 in a hot melting manner, a limiting pin 132 penetrates through the inside of the bridge body of the connecting bridge 131 along a horizontal central axis, two ends of the limiting pin 132 extend to the outside of two sides of the connecting bridge 131, and are symmetrically inserted and connected with single-hole fixing pieces 112, and the two single-hole fixing pieces 112 are connected with the inner wall of one side of the oil casing fixing seat 11; the outer wall of one end of the connecting bridge 131 close to the opening of the floater 13 is connected with a tongue piece 131a in a hot melting mode, arc-shaped grooves 131a-1 are symmetrically formed in the upper side surface and the lower side surface of the tongue piece 131a, and a triangular needle valve 14 is sleeved on the tongue piece 131 a; the one end that triangle needle valve 14 kept away from the syringe needle is equipped with hangs knot 141, hang knot 141 and correspond the card and locate two be swing joint in the arc wall 131a-1, just triangle needle valve 14 is close to one of the tip outer wall and is equipped with gum cover 142. In this embodiment, the float 13 forms a rotating connection with the two single-hole fixing pieces 112 on the inner wall of the oil casing fixing seat 11 through the connection bridge 131, floats on the oil surface, and enables the triangular needle valve 14 sleeved on the tongue piece 131a to move according to the height of the oil surface, and the triangular needle valve 14 is positioned by using the hanging buckle 141 and the two arc-shaped grooves 131a-1 on the tongue piece 131a, so as to prevent the triangular needle valve 14 from generating displacement on the tongue piece 131a, and the rubber sleeve 142 arranged on the outer wall of the needle end of the triangular needle valve 14 can enhance the blockage of the triangular needle valve 14 on the oil path.

In a third embodiment, please refer to fig. 1, 2 and 4 again, four first single-hole fixing lugs 111 are equally arranged on the outer wall of the oil casing fixing seat 11, a main quantity passage pillar 114 is arranged at the center of the inside of the oil casing fixing seat 11, an oil inlet inner pillar 113 is arranged at one end of the main quantity passage pillar 114 close to the two single-hole fixing pieces 112, and an auxiliary quantity hole pillar 115 is arranged at one end of the main quantity passage pillar 114 far away from the oil inlet inner pillar 113; four second single-hole fixing lugs 121 are equally distributed on the outer wall of one end, close to the opening, of the oil casing 12, and the plurality of second single-hole fixing lugs 121 are correspondingly connected with the plurality of first single-hole fixing lugs 111 one by one in a bolt fixing mode; a hole injection screw 123 penetrates through the center of the bottom of the inner shell of the oil shell 12, and the hole injection screw 123 is in threaded engagement connection with the inner wall of the opening end of the main-quantity channel column tube 114; the opening of the oil inlet inner column pipe 113 is positioned vertically below the triangular needle valve 14, and the outer wall of the rubber sleeve 142 is connected with the inner wall of the oil inlet inner column pipe 113 in a contact but unfixed manner; one end of the oil inlet inner column pipe 113, which is far away from the triangular needle valve 14, penetrates through the oil casing fixing seat 11 and extends to the outer wall of the carburetor body 1, and an L-shaped oil inlet pipe 15 is connected to the outer wall of the carburetor body 1. In this embodiment, the four first single-hole fixing lugs 111 on the oil casing fixing seat 11 and the four second single-hole fixing lugs 121 on the oil casing 12 are fastened and connected by bolts after corresponding to each other, so that the oil casing 12 and the oil casing fixing seat 11 are engaged and connected, the fuel of the carburetor body 1 enters from the L-shaped fuel inlet pipe 15, the fuel at the bottom of the float chamber is delivered into the throat of the carburetor and mixed with the intake air by the main metering channel column pipe 114 in the oil casing fixing seat 11 through the through hole of the injection screw 123, the fuel is delivered to the rear end of the throttle valve from the auxiliary metering hole column pipe 115 when the engine is idling, the fuel supply required by the idling of the engine is satisfied, the fuel intake amount is controlled by the opening of the fuel inlet inner column pipe 113 and the opening or closing of the triangular needle valve 14, and the rubber sleeve 142 returns to seal the inner wall of the fuel inlet inner column pipe 113 at the outer periphery when the engine is closed, the fuel is prevented from entering the fuel tank better.

The specific process of the invention is as follows:

firstly, fuel is sent from an L-shaped fuel inlet pipe 15 outside a carburetor body 1 to an opening of a fuel inlet inner column pipe 113 to enter a floater chamber, so that the floater 13 is lifted, after a set point is reached, a triangular needle valve 14 can block the opening of the fuel inlet inner column pipe 113, the opening is assisted and blocked by a rubber sleeve 142, then after an engine is started, fuel is sent from a main quantity channel column pipe 114 to a throat pipe to be mixed by air inlet generated by the carburetor body 1, the fuel is sent to a combustion cylinder of the engine, when a vehicle passes through a bumpy road section, the floater 13 generates rapid swing fluctuation by violent shaking, at the moment, a magnetic induction device 122 arranged on an oil shell 12 starts to work, an electromagnetic induction element module 122b-2 in the magnetic induction device 122b is used for inducing and tracking the fluctuation frequency and amplitude of the floater 13 in real time, and the fluctuation information of the floater 13 is processed by an electromagnetic induction processing chip 122b-1 after a set value is input by a computer program, when the frequency value exceeds the set frequency value, a command is sent to the chip actuator 122c-2 in the electromagnet positioner 122c to supply power to the electromagnet 122c-1 to be communicated, so that the electromagnet 122c-1 generates magnetic force to control the magnetic attraction of the magnet sheet 133 on the floater 13, the control time is about 5 to 6 seconds, the magnetic force of the electromagnet 122c-1 disappears after the power failure, the electromagnetic induction element module 122b-2 is used for continuously tracking the fluctuation frequency of the floater 13 within the next 1 to 3 seconds, if the standard exceeds, the electromagnet 122c-1 is electrified again to control the attraction, if the standard does not exceed, the open-circuit state is kept, and when the floater 13 is controlled, the opening and closing of the triangular needle valve 14 and the oil inlet inner column tube 113 are controlled, so that the state of fuel supply is controlled at the same time.

The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without such modifications.

Claims

1. A carburetor structure for preventing fuel cut-off at a bumpy road section comprises a carburetor body (1) and is characterized in that an oil shell fixing seat (11) is arranged on the outer wall of one side of the carburetor body (1), an oil shell (12) is connected to the oil shell fixing seat (11) in a matching mode, a magnetic induction device (122) is vertically arranged on the outer wall of one side of the oil shell (12), a guide rail groove (122 a) is vertically formed in the shell of the magnetic induction device (122), an electromagnetic inductor (122 b) and an electromagnet positioner (122 c) are respectively clamped in the guide rail groove (122 a), the top of the electromagnet positioner (122 c) is connected with the bottom shell of the electromagnetic inductor (122 b), and the electromagnetic inductor (122 b) and the electromagnet positioner (122 c) are in sliding connection with the guide rail groove (122 a);

an electromagnetic induction element module (122 b-2) is arranged at one end, close to the oil casing (12), inside the electromagnetic inductor (122 b), and the rear end of the electromagnetic induction element module (122 b-2) is connected with an electromagnetic induction processing chip (122 b-1) through a lead;

an electromagnet (122 c-1) is arranged at one end, close to the oil casing (12), in the electromagnet positioner (122 c), and the rear end of the electromagnet (122 c-1) is connected with a chip actuator (122 c-2) through a lead;

be equipped with float (13) in oil shell fixing base (11), the symmetry is embedded to have magnet piece (133) on the outer wall of float (13), and is close to magnetic induction device (122) one side the mounted position of magnet piece (133) with the mounted position of magnetic induction device (122) is corresponding.

2. A carburetor structure for preventing oil cut-off in a bumpy road section according to claim 1, wherein the float (13) comprises a connecting bridge (131), two bridge seats of the connecting bridge (131) are connected with the opening of the float (13) in a hot melting manner, a limit pin (132) penetrates through the inside of a bridge body of the connecting bridge (131) along a horizontal central axis, two ends of the limit pin (132) extend to the outside of two sides of the connecting bridge (131), single-hole fixing pieces (112) are symmetrically inserted and connected with the outside of the two sides of the connecting bridge (131), and the two single-hole fixing pieces (112) are connected with the inner wall of one side of the oil casing fixing seat (11).

3. A carburetor structure for preventing fuel cut-off in a bumpy road section according to claim 2, wherein a tongue piece (131 a) is thermally welded to an outer wall of one end of the connecting bridge (131) near the opening of the float (13), arc-shaped grooves (131 a-1) are symmetrically formed in upper and lower side surfaces of the tongue piece (131 a), and a triangular needle valve (14) is sleeved on the tongue piece (131 a).

4. A carburetor structure for preventing fuel cut-off in a bumpy road section according to claim 3, wherein a hanging buckle (141) is arranged at one end of the triangular needle valve (14) far away from the needle head, the hanging buckle (141) is correspondingly clamped in the two arc-shaped grooves (131 a-1) to be movably connected, and a rubber sleeve (142) is arranged on the outer wall of one end of the triangular needle valve (14) close to the needle head.

5. A carburetor structure for preventing oil cut-off in a bumpy road section according to claim 1, wherein four first single-hole fixing lugs (111) are equally arranged on the outer wall of the oil casing fixing seat (11), a main quantity passage pillar (114) is arranged at the center of the inside of the oil casing fixing seat (11), an oil inlet inner pillar (113) is arranged at one end of the main quantity passage pillar (114) close to the two single-hole fixing pieces (112), and an auxiliary measuring hole pillar (115) is arranged at one end of the main quantity passage pillar (114) far away from the oil inlet inner pillar (113).

6. A carburetor structure for preventing fuel cut-off in a bumpy road section according to claim 1, wherein four second single-hole fixing lugs (121) are equally divided on the outer wall of the end of the oil casing (12) near the opening, and a plurality of the second single-hole fixing lugs (121) and a plurality of the first single-hole fixing lugs (111) are correspondingly connected one by one in a bolt fixing manner.

7. A carburetor structure according to claim 6, wherein a port screw (123) is provided through the center of the inner bottom of the oil housing (12), and the port screw (123) is connected to the inner wall of the open end of the main burette (114) by screw engagement.

8. A carburetor structure for preventing oil cut in a bumpy road section according to claim 5, wherein the opening of the oil inlet inner column tube (113) is located vertically below the triangular needle valve (14), and the outer wall of the rubber sleeve (142) is connected with the inner wall of the oil inlet inner column tube (113) in a contact but unfixed manner.

9. A carburetor structure for preventing oil cut-off in a bumpy road section according to claim 8, wherein an L-shaped oil inlet pipe (15) is connected to one end of the oil inlet inner column pipe (113) far away from the triangular needle valve (14) and extends through the oil casing fixing seat (11) to the outer wall of the carburetor body (1).