CN103470403A - Hand-operated air supply device of motorcycle carburetor - Google Patents
Hand-operated air supply device of motorcycle carburetor Download PDFInfo
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- CN103470403A CN103470403A CN 201310178775 CN201310178775A CN103470403A CN 103470403 A CN103470403 A CN 103470403A CN 201310178775 CN201310178775 CN 201310178775 CN 201310178775 A CN201310178775 A CN 201310178775A CN 103470403 A CN103470403 A CN 103470403A
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Abstract
The invention discloses a hand-operated air supply device of a motorcycle carburetor. A carburetor shell is integrally provided with a valve base, the inner bottom of the valve base is provided with an air valve nozzle, the air of an air filter is communicated with the inlet air of the carburetor by virtue of the air inlet of the air valve nozzle, the upper end of the valve base is connected with a valve body, the upper end of the valve body is connected with a drag line guiding pipe, a locking nut is arranged, the upper end of the drag line guiding pipe is connected with a drag line protecting pipe, and the other end of the drag line protecting pipe is connected with a connecting base of a hand-operated throttle controller; the outside surface of the air valve nozzle is a conical surface, the air valve nozzle is matched with a valve cover, the inner hole of the valve cover is a counterbore with a sealed bottom and a downward opening, the port of the counterbore and the larger end of the air valve nozzle are separately sealed; the inner hole of the valve body is provided with a valve cover compression spring; one end of the compression spring props against the upper end face of the valve cover, and the other end of the compression spring is abutted against the lower end face of the drag line guiding pipe; the air supply drag line passes through the drag line guiding pipe, the valve cover compression spring and the drag line protecting pipe, one end of the air supply drag line is connected with the upper end of the valve cover, and the other end of the air supply drag line is connected with the hand-operated throttle controller; the air supply drag line is provided with a tensioning regulating mechanism. The hand-operated air supply device has the advantages of initiatively supplying fresh air to the motorcycle carburetor and being beneficial to saving of oil and reduction in exhaust gas.
Description
Technical field
The invention belongs to motorcycle carburetor making-up air device technical field, be specifically related to a kind of motorcycle carburetor hand-control mechanical automatic formula making-up air device.
Background technique
The common motorcycle carburetor of prior art exists the sky combustion proportions of ingredients of air and gasoline can not reach the deficiency of perfect condition, gasoline can not fully burn and just discharge from outlet pipe, cause the high and wasting of resources of oil consumption, and the gaseous contaminant of outlet pipe discharge, as too high as carbon monoxide, hydrocarbon and nitrogen oxide environment is brought to large pollution, though have for this deficiency multinomial corrective measure arranged, but have such-and-such defect.Common electronic controlled carburetor for example, by the electronic control tonifying Qi, mainly electronic component and electrical part, consist of, it exists, and cost is relatively high, rate of fault is not also grown and is not easy the deficiency of safeguarding high, working life, while going wrong, must be that the professional workforce could repair.
As China Patent No. 201120293199.3, name is called the utility model patent of " electronic controlled carburetor ", a kind of electronic controlled carburetor is disclosed, comprise carburetor main body, also comprise temperature transducer, lambda sensor, electric controller and solenoid valve, described temperature transducer, lambda sensor and solenoid valve all are connected to electric controller, and described solenoid valve is also connected to carburetor main body.The characteristics of this electronic controlled carburetor are application electromagnetic valve air inflows, solenoid valve can work must have temperature transducer again, the sensors such as lambda sensor gather relevant information and offer electric controller, export again control signal through the electric controller computing and control solenoid valve, through so many controlling unit, make real-time control effect reduce, rate of fault increases, especially the electromagnetic coil in solenoid valve, this also is regarded as rate of fault height and short components and parts of life-span in component of machine, complexity as for electric controller, make the layman be difficult to start it is keeped in repair.
And for example China Patent No. 200910190686.4, name is called the patent of invention of " novel electronic control carburetor electromagnetic valve and and the installation interface technology of electronic controlled carburetor thereof ", disclose a kind ofly provides a kind of new airflow controlled magnetic valve to claim electronic control carburetor electromagnetic valve in automatically controlledization of petrol engine carburetor integrated system, installation for the ease of solenoid valve on electronic controlled carburetor, being convenient to solenoid valve can reliablely and stablely work in running at petrol engine and motor vehicle, further improved the internal structure of solenoid valve, and the Placement of solenoid valve inner piece, and the Placement of solenoid valve and Carburetor, the computational methods of the range of a set of comparatively perfect interface mounting technique and movable iron core of electromagnetic valve motion have been innovated.The electromagnetic valve relatively high by rate of fault is not only in this invention, also in claim 1, propose in its described multiple Placement especially, any Placement no matter, all must guarantee that electromagnet works on perpendicular to substantially horizontal as far as possible, this is very unapproachable in fact, because whole device is fixed on Motor Vehicle, Motor Vehicle under steam, there are a variety of causes such as climb and fall, Uneven road, vehicle vibrations due to road, make this requirement be difficult to reach.
Above-mentioned two routine patents also exist the requirement that can not meet air compensation curve and engine speed fuel delivery Curve Matching to set rightly the deficiency of air supply passage sectional area Changing Pattern.
Summary of the invention
The technical issues that need to address of the present invention are, overcome that existing motorcycle carburetor making-up air device exists or the large tonifying Qi speed of control piece moving resistance is insensitive to the working conditions change reflection, or adopt air pump to add solenoid valve, increase load, frequent starting, the complex structure cost is high and volume and weight is large defect, the mechanical type motorcycle carburetor making-up air device of the superior performance that provides a kind of simple in structure, easy to adjust, processing ease, air compensation curve and engine speed fuel delivery to mate.
The objective of the invention is to be achieved by following technical proposals: the manual making-up air device of a kind of motorcycle carburetor, on carbureter body, disjunctor is provided with valve seat, there is the air valve mouth of boss shape in the center portion of valve seat inner bottom part, the air-strainer that is connected in the valve seat side is communicated with engine valve by the inlet hole in the middle of the air valve mouth, the upper end of valve seat is connected with valve body, the upper end of valve body has been threaded connection cable spiral, cable spiral is furnished with locking nut, the upper end of cable spiral is connected with the drag-line pillar, the other end of drag-line pillar is connected with the connecting base of manual control accelerograph manipulator, the outer side surface of air valve mouth is big top and small bottom conical surface, the air valve mouth is furnished with valve gap, the valve gap endoporus is bottom lock and downward opening counterbore, and movingly, the position, large end of the gentle valve nozzle of port position of counterbore is sealed and matched the outer side surface of counterbore and air valve mouth separably, be provided with the valve gap stage clip in the endoporus of valve body, an end of valve gap stage clip heads on the upper-end surface of valve gap, and the other end of valve gap stage clip and the lower end surface of cable spiral compress, the tonifying Qi drag-line is through cable spiral, valve gap stage clip and drag-line pillar, and an end of tonifying Qi drag-line is connected with the upper end of valve gap, and the other end of tonifying Qi drag-line is connected with the manual control accelerograph manipulator, and the tonifying Qi drag-line is provided with the tensioning controlling mechanism.
One end of throttle cable and tonifying Qi drag-line is connected with the manual control accelerograph manipulator together, when when motorcycle travels on highway, the driver moves the manual control accelerograph manipulator and pulls throttle cable, also just pull the tonifying Qi drag-line simultaneously, the other end of tonifying Qi drag-line connects valve gap, so valve gap is raised, the outer side surface of valve gap endoporus and air valve mouth is separated and is produced gap by the script sealing state, the inlet hole of stream in the middle of this gap of fresh air process of air-strainer enters the air valve mouth flow to engine valve, raise speed higher, gap is larger, air compensation is also thereupon larger, concrete tonifying Qi curve requires the conical surface tapering of air valve mouth outer side surface and the turning surface busbar of valve gap endoporus are determined according to throttle oil inlet quantity coupling, the tensioning degree of tonifying Qi drag-line is regulated by the tensioning controlling mechanism, the valve gap stage clip resets for valve gap.
As preferably, the drag-line pillar comprises totally four sections of pillar one, pillar two, pillar three and bend pipes, and the tonifying Qi drag-line comprises totally two sections of drag-line one and drag-lines two, and each termination of drag-line one and drag-line two is provided with dop; The tensioning controlling mechanism comprises rapid adjustable mechanism and fine adjusting mechanism, and pillar one is crossed rapid adjustable mechanism with the pillar two-way and is connected, and pillar two is connected by fine adjusting mechanism with pillar three; Rapid adjustable mechanism consists of Adjusting bolt Adjusting screw and adjusting blind nut, and the lower end of pillar one withstands on the bottom, heavy hole of being located at the cable spiral upper-end surface, and the upper end of pillar one withstands on the lower end surface of the shoulder block arranged in the middle of the endoporus of Adjusting bolt Adjusting screw; The upper end of Adjusting bolt Adjusting screw is threaded connection the adjusting blind nut, and the upper end dop of drag-line one withstands on the upper-end surface of described shoulder block, end face under the lower end dop of drag-line two withstands on and regulates in blind nut; Fine adjusting mechanism consists of differential thread, comprise pillar two, regulate screwed pipe and pillar three, pillar two lower ends withstand on the pit bottom of regulating the blind nut upper end, pillar two upper ends and adjusting screwed pipe screw-thread fit, regulate the upper end of screwed pipe and the lower end screw-thread fit of pillar three, the screw thread of pillar two upper ends is respectively with the screw thread of pillar three lower ends the external thread section that rotation direction is identical and pitch is different, and the two ends endoporus of adjusting screwed pipe is respectively equipped with the internal thread with this two places external thread section adaptation; Pillar three upper ends are connected with an end of bend pipe by buckle, and the other end of bend pipe is connected with the power control joint, and drag-line two is through bend pipe, and the dop of the other end of drag-line two and Carburetor plunger drag-line are with being connected to the manual control accelerograph manipulator; The outer surface of pillar two, pillar three and adjusting screwed pipe respectively is provided with and only revolves clamp face.By to only revolving the restriction of clamp face, make three of pillar two and pillars move and not rotate along axis, so when regulating screwed pipe toward left-handed or past dextrorotation, distance between pillar two and pillar three or mobile in opposite directions the shortening or opposing mobile elongation, regulating screwed pipe rotates one week, the variable in distance of pillar two and pillar three equals to shorten or extend the poor of both joint pitch, utilizes the differential distance that realizes meticulous adjusting pillar two and pillar three of screw thread.
As preferably, the side view of described valve gap endoporus is cylindrical shape or for the conical surface shape or be smoothly connected the turning surface shape that forms bus by straight line and multi-section circular arc; The tapering of the conical surface shape of described valve gap endoporus is less than the tapering of the conical surface of described air valve mouth outer side surface.Shape according to engine speed fuel delivery curve appropriate design valve gap endoporus, can make air compensation curve and engine throttle fuel delivery Curve Matching.
As preferably, the screw thread of pillar two upper ends is the dextrorotation outside thread that pitch equals 1mm, and the screw thread of pillar three lower ends is the dextrorotation outside thread that pitch equals 1.25mm, and Adjusting bolt Adjusting screw and the pitch of regulating the blind nut screw thread are greater than the pitch of pillar two and pillar three.Screwed pipe rotates one week, and pillar two and pillar three variable in distance amounts are 1.25-1=0.25mm.
As preferably, the valve gap stage clip comprises external pressure spring and interior stage clip, and the free height of external pressure spring and interior stage clip equates, forms that material is identical, thread rotary orientation is contrary, and
D
1/D
2=d
1/d
2=n
1/n
2
D in formula
1-external pressure spring central diameter, mm;
D
2-interior stage clip central diameter, mm;
D
1-external pressure spring spring filament diameter, mm;
D
2-interior stage clip spring filament diameter, mm;
N
1-external pressure spring number of active coils;
N
2-interior stage clip number of active coils;
There is annular deep gouge the valve gap upper-end surface, and there is boss the lower end surface of cable spiral, and the lower end surface of interior stage clip and external pressure spring is respectively by the interior outer side location of annular deep gouge, and the upper-end surface of interior stage clip is located by described boss.
Interior external pressure spring combination can be shortened the stage clip height greatly, to lower the height of valve body, and is conducive to the downsizing fuel shell and manufactures die casting mould; The rotation direction of interior external pressure spring can make the comprehensive elastic force of stage clip along circumferential distributing equilibrium on the contrary, is difficult for tilting, and therefore can avoid because the spring force inequality causes the phenomenon generation that valve gap tilts, and interior external pressure spring spring silk can not squeeze mutually.
As preferably, the tapering of described conical surface is 1: 8～1: 3.Tapering is amounted to approximately 7.15 ° of angles at 1: 8, and tapering is amounted to approximately 18.9 ° of angles at 1: 3.
As preferably, the upper end portion of valve gap is provided with cross through hole, and the upper side edge of cross through hole has opening slot, and there is symmetrical draw-in groove at the middle part of opening slot, and the dop of drag-line one lower end is embedded in through hole, and draw-in groove relies on elastic clamping drag-line one.
As preferably, there is deep gouge the lower end of air valve mouth conical surface.This structure is beneficial to the processing of air valve mouth conical surface, can guarantee air valve mouth conical surface and the sealing of valve gap endoporus reliable fit.
As preferably, there is the seal groove of inverted trapezoidal shape the upper-end surface of air valve mouth, and being embedded with section in seal groove is trapezoidal seal ring, and the conical surface height in the air valve mouth outside equals the degree of depth of valve gap endoporus.The seal groove of trapezoidal shape is joined trapezoidal seal ring can prevent the seal ring self falling.
As preferably, the valve gap outer circumferential face is symmetrically arranged with the twice guiding groove vertically, respectively is furnished with a guide and limit pin in guiding groove, and the guide and limit pin is connected with the screw on being located at valve seat.Guiding groove and guide and limit pin are set and can prevent be moved lateral deviation or twist phenomenon of valve gap.
The manual making-up air device of this motorcycle carburetor utilizes the outside conical surface of air valve mouth to match with the valve gap endoporus of specialized designs profile, through the tonifying Qi drag-line, pull valve gap to control both matching relationships, pushing down valve gap by the valve gap stage clip when motorcycle during in idling makes it and the air valve mouth cut-out gas-entered passageway that is sealed and matched, when throttle strengthens, the tonifying Qi drag-line pulls valve gap with tonifying Qi, and it is more that throttle is opened larger tonifying Qi; Valve body is arranged on valve seat and makes each accessory form one, compact structure; Cable guide has the effect that the guiding drag-line is connected and moves with valve gap, and cable guide also has cable spiral when motor needs certain rotating speed to start tonifying Qi can be used for adjusting up and down the drag-line degree of tightness, then tightens locking by adjusting nut.
The invention has the beneficial effects as follows:
1, at the uniform velocity or while giving it the gun initiatively engine inlets are filled into to fresh air at motorcycle, also can when motorcycle high speed oil return door or anxious the deceleration, initiatively to engine inlets, fill into fresh air, extend the motor related components life-span, fuel-economizing also reduces toxic emission, reduces the pollution to environment;
2, tonifying Qi work is directly by power control cable control air compensation, but air compensation curve and engine speed fuel delivery coupling Fine design;
3, utilize mechanical type to supplement air inflow and control dutycycle, control effect more stable than the application electrical control;
4, simple in structure, lightweight, cost is low, performance good, be convenient to install and adjust, simple to operate understandable, repairing motorcycle personnel and everyday driver are all easily grasped;
5, compare the electronic type making-up air device as electronic controlled carburetor etc., more intuitively more durable more easy care cost is lower.
The accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the present invention;
Fig. 2 is a kind of embodiment's valve gap and the schematic diagram that coordinates of air valve mouth;
Fig. 3 is the schematic diagram of rapid adjustable mechanism;
Fig. 4 is the schematic diagram of accurate controlling mechanism;
Fig. 5 is the connection diagram of tonifying Qi drag-line and throttle cable;
Fig. 6 is another kind of embodiment's interior stage clip and external pressure spring scheme of installation.
In figure, carbureter body 1; Valve seat 11; Air valve mouth 12; Conical surface 121; Air-strainer 13; Valve body 2; Cable spiral 3; Locking nut 31; Boss 32; Drag-line pillar 4; Pillar 1; Pillar 2 42; Pillar 3 43; Bend pipe 44; Valve gap 5; Annular deep gouge 51; Valve gap stage clip 6; External pressure spring 61; Interior stage clip 62; Tonifying Qi drag-line 7; Drag-line 1; Drag-line 2 72; Dop 73; Carburetor plunger drag-line 74; Tensioning controlling mechanism 8; Rapid adjustable mechanism 81; Adjusting bolt Adjusting screw 811; Regulate blind nut 812; Shoulder block 813; Fine adjusting mechanism 82; Regulate screwed pipe 821.
Embodiment
Embodiment 1: as Fig. 1, shown in 2, the manual making-up air device of a kind of motorcycle carburetor, on carbureter body 1, disjunctor is provided with valve seat 11, there is the air valve mouth 12 of boss shape in the center portion of valve seat 11 inner bottom parts, the air-strainer 13 that is connected in valve seat 11 sides is communicated with Carburetor interface valve by the inlet hole in the middle of air valve mouth 12, the upper end of valve seat 11 is connected with valve body 2, the upper end of valve body 2 has been threaded connection cable spiral 3, cable spiral 3 is furnished with locking nut 31, cable spiral 3 upper ends are connected with drag-line pillar 4, the other end of drag-line pillar 4 is connected with the connecting base of manual control accelerograph manipulator, the outer side surface of air valve mouth 12 is big top and small bottom conical surface 121, and air valve mouth 12 is furnished with valve gap 5, the counterbore that the endoporus of valve gap 5 is bottom lock and downward opening cylindrical shape.Movingly, the position, large end of the gentle valve nozzle 12 of the port position of counterbore is sealed and matched the outer side surface of the endoporus of valve gap 5 and air valve mouth 12 separably; Be provided with valve gap stage clip 6 in the endoporus of valve body 2, an end of valve gap stage clip 6 heads on the upper-end surface of valve gap 5, and the lower end surface of the other end of valve gap stage clip 6 and cable spiral 3 compresses; Tonifying Qi drag-line 7 is through cable spiral 3, valve gap stage clip 6 and drag-line pillar 4, and an end of tonifying Qi drag-line 7 is connected with the upper end of valve gap 5, and the other end of tonifying Qi drag-line 7 is connected with the manual control accelerograph manipulator,
Tonifying Qi drag-line 7 is provided with tensioning controlling mechanism 8.Drag-line pillar 4 comprises totally four sections of pillar 1, pillar 2 42, pillar 3 43 and bend pipes 44, and tonifying Qi drag-line 7 comprises totally two sections of drag-line 1 and drag-lines 2 72, and each termination of drag-line 1 and drag-line 2 72 is provided with columniform dop 73; Tensioning controlling mechanism 8 comprises rapid adjustable mechanism 81 and fine adjusting mechanism 82, and pillar 1 is connected by rapid adjustable mechanism 81 with pillar 2 42, and pillar 2 42 is connected by fine adjusting mechanism 82 with pillar 3 43; Rapid adjustable mechanism 81 consists of Adjusting bolt Adjusting screw 811 and adjusting blind nut 812, the longitudinal section shape of Adjusting bolt Adjusting screw 811 is as I-shape construction, one shoulder block 813 probably of I-shaped centre, the center portion of shoulder block 813 has through hole can allow tonifying Qi drag-line 7 pass, the lower end of pillar 1 withstands on the bottom, heavy hole of being located at cable spiral 3 upper-end surfaces, and the upper end of pillar 1 withstands on the lower end surface of the shoulder block 813 in the middle of the endoporus of Adjusting bolt Adjusting screw 811; The upper end of Adjusting bolt Adjusting screw 811 is threaded connection regulates blind nut 812, and the upper end dop of drag-line 1 withstands on the upper-end surface of shoulder block 813, and the lower end dop of drag-line 2 72 withstands on regulates the interior beneath end face of blind nut 812.As shown in Figure 3.
The upper end portion of valve gap 5 is provided with cross through hole, the upper side edge of cross through hole has opening slot, and there is symmetrical draw-in groove at the opening slot middle part, and the dop of drag-line one 71 lower ends is embedded in through hole, draw-in groove relies on elastic clamping drag-line 1, and the advantage of this structure is easy to assembly quick.
When motorcycle travels on highway, the driver moves the manual control accelerograph manipulator and pulls throttle cable, also just pull the tonifying Qi drag-line simultaneously, the other end of tonifying Qi drag-line connects valve gap, so valve gap is raised, the outer side surface of valve gap endoporus and air valve mouth is separated and is produced gap by the script sealing state, the inlet hole of stream in the middle of this gap of fresh air process of air-strainer enters the air valve mouth flow to engine valve, raise speed higher, valve gap is mentioned approximately high, gap also can be larger, air compensation is also thereupon larger, concrete tonifying Qi curve requires the conical surface tapering of air valve mouth outer side surface and the turning surface busbar of valve gap endoporus are determined according to throttle oil inlet quantity coupling, the tensioning degree of tonifying Qi drag-line is regulated by the tensioning controlling mechanism, the valve gap stage clip resets for valve gap.
The conical surface tapering of the air valve mouth outer side surface of the present embodiment 1 is 1: 4.
There is deep gouge the lower end of air valve mouth conical surface, and this deep gouge has the effect of processing technology tool withdrawal groove concurrently, and the height of conical surface is less than the degree of depth of valve gap counterbore.This structure makes valve gap reliably cover air valve mouth underpart, guarantees both reliable sealings.
The valve gap outer circumferential face is symmetrically arranged with the twice guiding groove vertically, respectively is furnished with a guide and limit pin in guiding groove, the guide and limit pin is connected with the screw on being located at valve seat, during concrete the adjustment, the tail end of guide and limit pin is contacted gently to the groove bottom of guiding groove, and be adjusted to that valve gap is moved is light without catching phenomenon, guiding groove and guide and limit pin are set and can prevent be moved lateral deviation or twist phenomenon of valve gap.
The manual making-up air device of this motorcycle carburetor utilizes the outside conical surface of air valve mouth to match with the valve gap endoporus of specialized designs profile, through the tonifying Qi drag-line, pull valve gap to control both matching relationships, pushing down valve gap by the valve gap stage clip when motorcycle during in idling makes it and the air valve mouth cut-out gas-entered passageway that is sealed and matched, when throttle strengthens, the tonifying Qi drag-line pulls valve gap with tonifying Qi, and it is more that throttle is opened larger tonifying Qi; Valve body is arranged on valve seat and makes each accessory form one, compact structure; Cable guide has the effect that the guiding drag-line is connected and moves with valve gap, also has cable spiral when motor needs certain rotating speed to start tonifying Qi and can be used for adjusting up and down the drag-line degree of tightness, then tighten locking by adjusting nut.
Embodiment 2: valve gap stage clip 6 comprises external pressure spring 61 and interior stage clip 62, and the free height of external pressure spring 61 and interior stage clip 62 equates, the formation material is identical, thread rotary orientation is contrary, and D
1/ D
2=d
1/ d
2=n
1/ n
2; As preventing the spring skew, spring seat is provided with position structure, in valve gap 5 upper-end surfaces, annular deep gouge 51 is arranged, and there is boss 32 lower end surface of cable spiral 3, the lower end surface of interior stage clip 62 and external pressure spring 61 is respectively by the interior outer side location of annular deep gouge 51, and the upper-end surface of interior stage clip 62 is by boss 32 location.The advantage of interior external pressure spring combination, the first, can greatly shorten the stage clip height, to lower the height of valve body, also be conducive to the volume of the die casting mould of downsizing fuel shell so simultaneously, reduce the cost, reduce technology difficulty, save material; The second, it is more balanced that interior external pressure spring rotation direction can make stage clip elastic force distribute on the contrary, and stage clip can be not crooked, and the spring silk of interior external pressure spring can not squeeze mutually, and all the other structures are with embodiment 1, as shown in Figure 6.
Embodiment 3: the side view of valve gap endoporus is the conical surface shape, and the tapering of this conical surface shape is got 3 °, and the tapering of the conical surface of air valve mouth outer side surface is 10 °.All the other structures are with embodiment 1.
Embodiment 4: the side view of valve gap endoporus is a kind of specific turning surface, and the straight line that the bus of turning surface is 5 ° by one section gradient and 3 sections circular arcs are smoothly connected and form, and wherein the tangent direction of the circular arc in the bus tail end is vertical with the upper bottom surface of valve gap endoporus; The tapering of the conical surface of air valve mouth outer side surface is 18 °, and all the other structures are with embodiment 1.
Embodiment 5: the conical surface height in the air valve mouth outside equals the degree of depth of valve gap endoporus, there is the seal groove of inverted trapezoidal shape the upper-end surface of air valve mouth, being embedded with section in seal groove is trapezoidal silicone rubber O-ring, the position, large end of the gentle valve nozzle of port position of valve gap counterbore is sealed and matched as the first sealing, the seal ring sealing of air valve mouth upper-end surface is the second sealing, seal groove is got trapezoidal shape can prevent the seal ring self falling, and without separately being fixed measure, all the other structures are with embodiment 1.
The present invention can at the uniform velocity or while giving it the gun initiatively fill into fresh air to the engine exhaust road at motorcycle, also can when motorcycle high speed oil return door or anxious the deceleration, initiatively to engine inlets, fill into fresh air, extend the life-span of motor related components, be conducive to fuel-economizing and reduce toxic emission, the pollution of minimizing to environment, also have simple in structure, lightweight, cost is low, performance is good, be convenient to install and adjust, understandable wield advantage simple to operate, if those skilled in the art does simple the modification or replacement to the foregoing invention content, such change can not be thought to depart from the scope of the present invention, all will be included in the scope of claim of the present invention to the apparent modification of those skilled in the art like this within.
Claims (10)
1. the manual making-up air device of a motorcycle carburetor, it is characterized in that, on carbureter body, disjunctor is provided with valve seat, there is the air valve mouth of boss shape in the center portion of valve seat inner bottom part, the air-strainer that is connected in the valve seat side is communicated with the Carburetor valve by the inlet hole in the middle of the air valve mouth, the upper end of valve seat is connected with valve body, the upper end of valve body has been threaded connection cable spiral, cable spiral is furnished with locking nut, the upper end of cable spiral is connected with the drag-line pillar, and the other end of drag-line pillar is connected with the connecting base of manual control accelerograph manipulator; The outer side surface of air valve mouth is big top and small bottom conical surface, the air valve mouth is furnished with valve gap, the valve gap endoporus is bottom lock and downward opening counterbore, and movingly, the position, large end of the gentle valve nozzle of port position of counterbore is sealed and matched the outer side surface of counterbore and air valve mouth separably; Be provided with the valve gap stage clip in the endoporus of valve body, an end of valve gap stage clip heads on the upper-end surface of valve gap, and the other end of valve gap stage clip and the lower end surface of cable spiral compress; The tonifying Qi drag-line is through cable spiral, valve gap stage clip and drag-line pillar, and an end of tonifying Qi drag-line is connected with the upper end of valve gap, and the other end of tonifying Qi drag-line is connected with the manual control accelerograph manipulator, and the tonifying Qi drag-line is provided with the tensioning controlling mechanism.
2. the manual making-up air device of motorcycle carburetor according to claim 1, it is characterized in that, the drag-line pillar comprises totally four sections of pillar one, pillar two, pillar three and bend pipes, and the tonifying Qi drag-line comprises totally two sections of drag-line one and drag-lines two, and each termination of drag-line one and drag-line two is provided with dop; The tensioning controlling mechanism comprises rapid adjustable mechanism and fine adjusting mechanism, and pillar one is crossed rapid adjustable mechanism with the pillar two-way and is connected, and pillar two is connected by fine adjusting mechanism with pillar three; Rapid adjustable mechanism consists of Adjusting bolt Adjusting screw and adjusting blind nut, and the lower end of pillar one withstands on the bottom, heavy hole of being located at the cable spiral upper-end surface, and the upper end of pillar one withstands on the lower end surface of the shoulder block arranged in the middle of the endoporus of Adjusting bolt Adjusting screw; The upper end of Adjusting bolt Adjusting screw is threaded connection the adjusting blind nut, and the upper end dop of drag-line one withstands on the upper-end surface of described shoulder block, end face under the lower end dop of drag-line two withstands on and regulates in blind nut; Fine adjusting mechanism consists of differential thread, comprise pillar two, regulate screwed pipe and pillar three, pillar two lower ends withstand on the pit bottom of regulating the blind nut upper end, pillar two upper ends and adjusting screwed pipe screw-thread fit, regulate the upper end of screwed pipe and the lower end screw-thread fit of pillar three, the screw thread of pillar two upper ends is respectively with the screw thread of pillar three lower ends the external thread section that rotation direction is identical and pitch is different, and the two ends endoporus of adjusting screwed pipe is respectively equipped with the internal thread with this two places external thread section adaptation; Pillar three upper ends are connected with an end of bend pipe by buckle, and the other end of bend pipe is connected with the power control joint, and drag-line two is through bend pipe, and the dop of the other end of drag-line two and Carburetor plunger drag-line are with being connected to the manual control accelerograph manipulator; The outer surface of pillar two, pillar three and adjusting screwed pipe respectively is provided with and only revolves clamp face.
3. the manual making-up air device of motorcycle carburetor according to claim 1 and 2, is characterized in that, the side view of valve gap endoporus is cylindrical shape or for the conical surface shape or be smoothly connected the turning surface shape that forms bus by straight line and multi-section circular arc; The tapering of the conical surface shape of described valve gap endoporus is less than the tapering of the conical surface of described air valve mouth outer side surface.
4. the manual making-up air device of motorcycle carburetor according to claim 3, it is characterized in that, the screw thread of pillar two upper ends is the dextrorotation outside thread that pitch equals 1mm, the screw thread of pillar three lower ends is the dextrorotation outside thread that pitch equals 1.25mm, and the pitch of Adjusting bolt Adjusting screw and adjusting blind nut screw thread is greater than the pitch of pillar two and pillar three.
5. the manual making-up air device of motorcycle carburetor according to claim 3, is characterized in that, the valve gap stage clip comprises external pressure spring and interior stage clip, and the free height of external pressure spring and interior stage clip equates, the formation material is identical, thread rotary orientation is contrary, and D
1/ D
2=d
1/ d
2=n
1/ n
2; There is annular deep gouge the valve gap upper-end surface, and there is boss the lower end surface of cable spiral, and the lower end surface of interior stage clip and external pressure spring is respectively by the interior outer side location of annular deep gouge, and the upper-end surface of interior stage clip is located by described boss.
6. the manual making-up air device of motorcycle carburetor according to claim 3, is characterized in that, the tapering of described conical surface is 1: 8～1: 3.
7. the manual making-up air device of motorcycle carburetor according to claim 6, it is characterized in that, the upper end portion of valve gap is provided with cross through hole, the upper side edge of cross through hole has opening slot, there is symmetrical draw-in groove at the middle part of opening slot, the dop of drag-line one lower end is embedded in through hole, and draw-in groove relies on elastic clamping drag-line one.
8. the manual making-up air device of motorcycle carburetor according to claim 7, is characterized in that, there is deep gouge the lower end of air valve mouth conical surface.
9. the manual making-up air device of motorcycle carburetor according to claim 8, it is characterized in that, there is the seal groove of inverted trapezoidal shape the upper-end surface of air valve mouth, and being embedded with section in seal groove is trapezoidal seal ring, and the conical surface height in the air valve mouth outside equals the degree of depth of valve gap endoporus.
10. the manual making-up air device of motorcycle carburetor according to claim 8, is characterized in that, the valve gap outer circumferential face is symmetrically arranged with the twice guiding groove vertically, respectively is furnished with a guide and limit pin in guiding groove, and the guide and limit pin is connected with the screw on being located at valve seat.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310178775.3A CN103470403B (en) | 2013-05-15 | 2013-05-15 | The manual making-up air device of motorcycle carburetor |
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| CN201310178775.3A CN103470403B (en) | 2013-05-15 | 2013-05-15 | The manual making-up air device of motorcycle carburetor |
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| CN103470403B CN103470403B (en) | 2015-09-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089854A (en) * | 2014-12-17 | 2015-11-25 | 温州京滨汽车零部件有限公司 | Novel air-supplying fuel-saving carburetor of motorcycle |
| CN111412087A (en) * | 2020-04-07 | 2020-07-14 | 福鼎市鑫金龙机车部件有限公司 | Carburetor for motorcycle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2549188Y (en) * | 2002-04-09 | 2003-05-07 | 王长友 | Manual air compensator for LPG vehicle |
| CN101397951B (en) * | 2008-10-31 | 2011-03-30 | 隆鑫通用动力股份有限公司 | Adjustable manual air compensating valve |
| CN201310419Y (en) * | 2008-11-14 | 2009-09-16 | 重庆隆鑫机车有限公司 | Manual-adjusting restraint air-supplementing device of engine |
| CN203335277U (en) * | 2013-05-15 | 2013-12-11 | 平阳京滨汽车零部件有限公司 | Manually-controlled air compensation device of motorcycle carburetor |
-
2013
- 2013-05-15 CN CN201310178775.3A patent/CN103470403B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105089854A (en) * | 2014-12-17 | 2015-11-25 | 温州京滨汽车零部件有限公司 | Novel air-supplying fuel-saving carburetor of motorcycle |
| CN105089854B (en) * | 2014-12-17 | 2017-08-25 | 温州京滨汽车零部件有限公司 | The new tonifying Qi fuel-saving carburettor of motorcycle |
| CN111412087A (en) * | 2020-04-07 | 2020-07-14 | 福鼎市鑫金龙机车部件有限公司 | Carburetor for motorcycle |
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| CN103470403B (en) | 2015-09-09 |
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Address after: Wan Quan Zhen Dong Cun Cun Shan Wan, Pingyang County, Wenzhou City, Zhejiang Province 325000 Patentee after: Wenzhou Jing Bin auto parts and components Co., Ltd Address before: 325400, East Village (hill bay), song Qiao Town, Pingyang County, Zhejiang, Wenzhou Patentee before: Pingyang Jingjin Auto Parts Co., Ltd. |
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