CN205779417U - A kind of variable igniting correct timing controller - Google Patents

Abstract

This utility model relates to engine ignition timing technical field, in particular to a kind of variable igniting correct timing controller.Described variable igniting correct timing controller includes mounting seat, and triggering rotation dish, triggered activity part and the centrifugal plectrum being arranged in described mounting seat；Symmetrical least one set rotation dish toothing on the side surface circumference of described triggering rotation dish；Described centrifugal plectrum engages each other with corresponding described rotation dish toothing；It is respectively provided with back positive spring on described triggering rotation dish and described centrifugal plectrum；The side of described mounting seat arranges breach, and described triggered activity part is affixed with the side of described triggering rotation dish, and stretches out from described breach.What this utility model utilized control of engine speed triggered activity part relatively rotates the ignition timing changing engine spark plug so that fuel fully burns in cylinder, increases the output of electromotor, thus improves the work efficiency of electromotor.

Description

A kind of variable igniting correct timing controller

Technical field

This utility model relates to engine ignition timing technical field, in particular to a kind of variable ignition timing control Device processed.

Background technology

In recent years, further raising motor vehicle emission required along with world energy sources crisis and China, energy-conservation and environmental protection Become the emphasis of automotive field technology development.For automobile, time of ignition is very big, from spark plug to engine performance impacts Igniting needs the regular hour to major part mixture combustion in cylinder the highest explosive force of generation, during this period of time bent axle The angle turned over is very big, if lighting a fire in compression top center position, then one combustion piston one side of gaseous mixture moves down and makes cylinder hold Long-pending increase, causes combustion pressure low, and engine output reduces.In view of this, optimal ignition timing can not only ensure Engine power performance, economy, and the discharge of harmful substance in tail gas can be reduced.Therefore, engine ignition timing has been controlled Become one of core technology of automobile engine management system development.

What existing igniting correct timing controller was conventional has octane corrector, vacuum type igniting correct timing controller, tradition Centrifugal electronic spark advance adjusting meanss etc., wherein octane corrector is the gasoline using different octane by changing electromotor Change the initial duration of ignition, utilize the method changing contact and cam phase relation to regulate ignition advance angle, this device pair Regulation ignition advance angle has certain limitation；The vacuum type igniting correct timing controller angle of ignition immobilizes, and works as electromotor When rotating speed improves, owing to inertia makes the ignition advance angle fixed relatively lag behind, affect the output of electromotor, and vacuum Formula igniting correct timing controller is little due to time air valve opening, is used for little load state；Conventional centrifugal electronic spark advance regulates Device, built with two pieces of pouring weights, utilizes pouring weight to improve with rotating speed, and centrifugal force increases and outwards throws away, makes by the way of certain Cam super previous angle on axle forms azimuth in advance, thus strengthens ignition advance angle, but traditional centrifugal igniting carries Front adjusting means can not effectively, more precisely increase ignition advance angle, necessarily owing to structure, shape, principle etc. limit The output of electromotor is affected in degree.

Therefore, based on above the deficiencies in the prior art, existing electronic spark advance adjusting means is proposed improvement project, is capable Technical problem the most urgently to be resolved hurrily.

Utility model content

The purpose of this utility model is to provide a kind of variable igniting correct timing controller, so that solve cannot in prior art Effectively change the technical problem of ignition advance angle.

The variable igniting correct timing controller that this utility model provides, including mounting seat, and is arranged on described mounting seat Interior triggering rotation dish, triggered activity part and centrifugal plectrum；

Wherein, symmetrical least one set rotation dish toothing on the side surface circumference of described triggering rotation dish；

The quantity of described centrifugal plectrum is corresponding with described rotation dish toothing with position, and with corresponding described rotation dish tooth Structure engages each other, it is possible to stirs described triggering rotation dish under sufficiently large centrifugal action and deflects；

It is respectively provided with back positive spring on described triggering rotation dish and described centrifugal plectrum；

The side of described mounting seat arranges breach, and described triggered activity part is affixed with the side of described triggering rotation dish, and Stretch out from described breach；

The outer end of described triggered activity part is installed and is triggered boss or trigger sensor.

This variable igniting correct timing controller includes mounting seat, and be arranged in described mounting seat triggering rotation dish, Triggered activity part and centrifugal plectrum.In the case of engine work, mounting seat and inner member concomitant rotation thereof；Along with sending out The increase of motivation rotating speed, the centrifugal action that centrifugal plectrum is subject to is increasingly greater than back the reset response of positive spring, now triggers and turn Two centrifugal plectrums symmetrical on Moving plate side surface circumference are outwards thrown away, and engaged each other by toothing stir triggering turn Moving plate, makes triggering rotation dish deflect, and makes the triggered activity part affixed with triggering rotation dish turning relative to mounting seat Dynamic direction turns over certain angle further along, thus realizes strengthening the purpose of ignition advance angle.

Further, described time positive spring is extension spring, and one end of each described extension spring is all connected with mounting seat, and the other end divides It is not connected with the circular hole on triggered activity part or centrifugal plectrum.

Further, described time positive spring is torsion spring, and each described torsion spring is separately positioned on described triggering rotation dish or institute State in the rotating shaft of centrifugal plectrum.

Further, the circle centre position of described triggering rotation dish sets rotation dish circular hole, and described circular hole turns with the center of mounting seat Axle is connected by bearing.

Further, described central rotating shaft is also equipped with pad and stop nut, to limit described triggering rotation dish Axial runout.

Further, described rotation dish toothing and described centrifugal plectrum are two groups, and described rotation dish toothing and Described centrifugal plectrum all centers about described triggering rotation dish are centrosymmetric distribution.

Further, described breach is respectively arranged with triggered activity part limit along the two ends of the described triggered activity part direction of motion Bit architecture, for limiting the turned position of described triggered activity part.

Further, in described mounting seat, it is provided with plectrum position limiting structure, for limiting the opening angle of described centrifugal plectrum.

Further, radially closing up after making non-circular closing in or cracking in described stop nut one end, utilizes the bullet closed up Power makes to screw and compresses between screw thread.

Further, the central angle corresponding to described breach is 5 °-45 °.

Having the beneficial effect that of utility model

This utility model provide variable igniting advance/retard mechanism engine speed increase in the case of, two centrifugal plectrums Centrifugal action is more than back the pulling force of positive spring, now trigger on rotation dish side surface circumference about trigger the center of rotation dish in Symmetrical two the centrifugal plectrums of the heart are outwards thrown away, and are engaged each other by toothing and stir triggering rotation dish, make triggering turn Moving plate rotates, and makes triggered activity part turn over certain angle further along relative to the rotation direction of mounting seat, thus real Now strengthen the purpose of ignition advance angle.

This utility model only relies on mechanism and realizes the regulation of ignition advance angle, simple in construction, precise control and reliable Degree height.

Accompanying drawing explanation

In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, below by right In detailed description of the invention or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below In accompanying drawing be embodiments more of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.

The internal structure schematic diagram of the variable igniting correct timing controller that Fig. 1 provides for this utility model embodiment；

Fig. 2 is the signal that the variable igniting correct timing controller shown in Fig. 1 triggers boss and trigger sensor transposition Figure；

Fig. 3 is that variable igniting correct timing controller shown in Fig. 1 triggers rotation dish and the structural representation of triggered activity part；

Fig. 4 is the structural representation that variable igniting correct timing controller shown in Fig. 1 is centrifuged plectrum.

Reference:

1 mounting seat；2 trigger rotation dish；

3 triggered activity parts；4 are centrifuged plectrum；

5 triggered activity part back-moving springs；6 trigger sensors；

7 triggered activity part position limiting structures；8 plectrum position limiting structures；

9 plectrum back-moving springs；10 ball bearings；

11 central rotating shafts；12 plectrum rotating shafts；

13 stop nuts；14 pads；

15 ignition advance angles；16 rotation dish toothings；

17 trigger boss；21 rotation dish circular holes；

23 screws；31 spring connecting hole；

41 plectrum shaft holes；42 spring connecting hole.

Detailed description of the invention

Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described Embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality Novel protected scope.

In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Language concrete meaning in this utility model.

Below by specific embodiment and combine accompanying drawing this utility model is described in further detail.

The variable igniting correct timing controller of one that this utility model provides, including mounting seat, and is arranged on mounting seat Interior triggering rotation dish, triggered activity part and centrifugal plectrum；

Wherein, trigger symmetrical least one set rotation dish toothing on the side surface circumference of rotation dish, and with both sides phase Corresponding centrifugal plectrum engages each other；

The quantity of centrifugal plectrum is corresponding with rotation dish toothing with position, and mutually nibbles with corresponding rotation dish toothing Close, it is possible under sufficiently large centrifugal action, stir triggering rotation dish deflect；

Trigger rotation dish and be respectively provided with back positive spring on centrifugal plectrum；

The side of mounting seat arranges breach, and triggered activity part is affixed with the side triggering rotation dish, and stretches from described breach Go out；

The outer end of triggered activity part is provided with triggering boss or trigger sensor.

This variable igniting correct timing controller includes mounting seat, and be arranged in mounting seat triggering rotation dish, triggering Movable part and centrifugal plectrum.When engine work, mounting seat and inner member concomitant rotation thereof；Along with engine speed Increase, centrifugal plectrum the centrifugal action produced is more than back the reset response of positive spring, now triggers rotation dish side circle Two centrifugal plectrums symmetrical on week are outwards thrown away, and by stirring triggering with the triggering intermeshing toothing of rotation dish Rotation dish deflects, and causes triggered activity part to rotate forward over certain angle relative to the direction that mounting seat rotates, thus real Now strengthen the purpose of ignition advance angle.

Concrete structure is as Figure 1-Figure 4.The variable igniting correct timing controller that Fig. 1 provides for this utility model embodiment Internal structure schematic diagram；Fig. 2 is that the variable igniting correct timing controller triggering boss shown in Fig. 1 replaces mutually with trigger sensor The structural representation put；Fig. 3 is that the variable igniting correct timing controller shown in Fig. 1 triggers rotation dish and triggered activity part structure is shown It is intended to；Fig. 4 is the structural representation that the variable igniting correct timing controller shown in Fig. 1 is centrifuged plectrum.

The variable igniting correct timing controller that the present embodiment provides includes mounting seat 1, and touching of being arranged in mounting seat 1 Send out rotation dish 2, triggered activity part 3 and centrifugal plectrum 4, in the case of engine work, drive mounting seat 1 to rotate, wherein Trigger rotation dish 2, triggered activity part 3 and centrifugal plectrum 4 to rotate also with mounting seat 1；

Wherein, symmetrical least one set rotation dish toothing 16 on the side surface circumference of rotation dish 2, and and both sides are triggered Corresponding centrifugal plectrum 4 engages each other；

The side of mounting seat 1 arranges the breach of certain angle, and breach both ends are respectively equipped with two the triggered activity parts in left and right Position limiting structure 7, this position limiting structure is used for limiting the turned position of triggered activity part 3, triggered activity part 3 and triggering rotation dish 2 Side connects by screw 23 is fixing, and the upper end of triggered activity part 3 is stretched out from described breach, and triggered activity part 3 outer end is installed Triggering boss 17, this triggering boss 17 triggers sensing for producing with trigger sensor 6, thus connects the point of engine spark plug Ignition circuit.

The quantity of centrifugal plectrum 4 and position and rotation dish toothing 16 one_to_one corresponding, and with corresponding rotation dish toothing 16 engage each other, and in the case of engine speed increases, centrifugal plectrum 4 can pass through tooth under sufficiently large centrifugal action Structure engages each other stirs triggering rotation dish 2, and then controls the triggered activity part 3 affixed with triggering rotation dish 2 two, left and right Swing position between triggered activity part position limiting structure 7, thus change the triggering boss 17 installed on triggered activity part 3 with tactile Send out the triggered time of sensor 6, it is achieved change the purpose of advance angle of engine ignition 15.

Trigger rotation dish 2 and be respectively provided with back positive spring, respectively triggered activity part back-moving spring 5 He on centrifugal plectrum 4 Plectrum back-moving spring 9, wherein, triggered activity part back-moving spring 5 uses extension spring, and its one end is fixing with mounting seat 1 to be connected, the other end It is connected with the spring connecting hole 31 on triggered activity part；Plectrum back-moving spring 9 uses extension spring equally, and its one end is same and mounting seat 1 fixing connection, the other end is connected with the spring connecting hole 42 on centrifugal plectrum.

When engine work, mounting seat 1 and inner member concomitant rotation thereof；Along with the increase of engine speed, The centrifugal action that centrifugal plectrum 4 is subject to is more than the pulling force effect of plectrum back-moving spring 9, now about triggering in rotation dish 2 The heart be centrosymmetric distribution two centrifugal plectrums 4 outwards throw away around plectrum shaft hole 41, and by trigger rotation dish 2 tooth Structure engages each other stirs triggering rotation dish 2, and the direction making triggering rotation dish 2 rotate relative to mounting seat 1 turns over one further along Fixed angle, thus realize strengthening the purpose of ignition advance angle 15.

In the alternative of the present embodiment, trigger sensor 6, now trigger sensor are installed in the outer end of triggered activity part 3 6 rotate along with triggered activity part 3, trigger boss 17 and maintain static, when trigger sensor 6 turns near the position triggering boss 17 Produce when putting and trigger sensing, thus connect plug ignition circuit.

In the alternative of the present embodiment, triggered activity part back-moving spring 5 and plectrum back-moving spring 9 can also use torsion Spring, and each described torsion spring is separately positioned in the rotating shaft triggering rotation dish 2 or centrifugal plectrum 4, its function realized and extension spring phase With, it is respectively used to make triggered activity part just arrive the left end original position of triggered activity part position limiting structure 7 for 3 times and make centrifugal plectrum 4 Reset to engage each other with rotation dish toothing 16.

In the alternative of the present embodiment, the circle centre position triggering rotation dish 2 sets rotation dish circular hole 21, this circular hole and mounting seat The central rotating shaft 11 of 1 is connected by a ball bearing 10, i.e. the outer ring of the inwall of rotation dish circular hole 21 and ball bearing 10 it Between use basic shaft system to connect, and ensure certain tolerance fit；And use between the inner ring of ball bearing 10 and central rotating shaft 11 Basic hole system connects, and ensures certain tolerance fit so that triggering rotation dish 2 is not only followed mounting seat 1 and rotated, and can also enclose Rotate freely around central rotating shaft 11, it is possible to realize existing between mounting seat 1 relatively rotating.

In the alternative of the present embodiment, central rotating shaft 11 is also equipped with pad 14 and stop nut 13, touches to limit Send out the rotation dish 2 axial runout on central rotating shaft 11；The vibration produced during for preventing engine rotation makes nut produce pine Dynamic, use stop nut 13, stop nut 13 be self-locking nut, its one end make non-circular closing in or crack after radial direction Close up, utilize the elastic force closed up to make to screw between screw thread and compress, effectively prevent the serious consequence of the loosening generation due to nut.

In the alternative of the present embodiment, rotation dish toothing 16 and centrifugal plectrum 4 are two groups, and rotation dish toothing 16 and centrifugal plectrum 4 be all centrosymmetric distribution about the center triggering rotation dish 2, be centrifuged outside plectrum 4 and be provided with and rotation dish Toothing 16 with the use of toothing, and between the toothing outside the corresponding centrifugal plectrum 4 of rotation dish toothing 16 Engaging each other, thus realize in the case of engine speed increases, centrifugal plectrum 4 is around plectrum rotating shaft 12 along mounting seat 1 Radially outward throw away, and engaged each other by toothing and to stir triggering rotation dish 2 and deflect, thus by triggering rotation dish 2 Deflection drives triggered activity part 3 to make corresponding rotation, is finally reached the purpose increasing advance angle of engine ignition 15.

In the alternative of the present embodiment, breach is respectively arranged with left and right two along the two ends of triggered activity part 3 direction of motion Individual triggered activity part position limiting structure 7, for limiting the left-right rotation position of triggered activity part 3, prevents due to engine speed mistake The angle causing greatly triggered activity part 3 to deflect is excessive, and engine ignition is produced impact；And in mounting seat 1, it is provided with left and right Two plectrum position limiting structures 8, for limiting the opening angle of centrifugal plectrum 4, it is to avoid make owing to centrifugal force is excessive two groups from The excessive harmful effect caused of angle that the heart 4 is outwards thrown away.

In the alternative of the present embodiment, stop nut 13 uses the mode of self-locking anti-loosing, and non-circular receipts are made in its one end Mouthful or radially close up after cracking, utilize the elastic force closed up to make to screw between screw thread and compress, it is possible to realize stop nut and spiral shell well Connection between bolt, it is possible to effectively eliminate owing to the vibration produced when high engine speeds operates brings nut loosening problem, from And efficiently avoid the serious consequence caused due to nut loosening.

In the alternative of the present embodiment, the central angle corresponding to breach is 5 °-45 °, minimum ignition advance angle in theory 15 is 0 degree, but in order to prevent electromotor from lighting gaseous mixture in working stroke, ignition advance angle 15 is set to more than 5 degree, and this is also It is to start the angle required for rotating speed；But maximum ignition advance angle 15 can not be too big, otherwise vibration and problem of temperature rise are by convex Aobvious, cause engine output to reduce, and overall engine efficiency is affected；Igniting can cause quick-fried too early Shake, piston stroking upward is obstructed, and efficiency reduction causes noise and vibration aggravation；Lighting a fire late, air work difficulty, oil consumption is big and efficiency Low, aerofluxus sound is big, no matter igniting too early or crosses the lifting that all can affect rotating speed late.So considering advance angle of engine ignition 15 sizes, set central angle corresponding to the breach in mounting seat 1 as 5 °-45 °.

In conjunction with above to detailed description of the present utility model it can be seen that the variable igniting timing control that provides of the present embodiment Device is engaged each other with triggering rotation dish toothing 16 symmetrical on the side surface circumference of rotation dish by centrifugal plectrum 4, when When engine speed changes so that centrifugal force changes, centrifugal plectrum 4 can lead under sufficiently large centrifugal action Cross toothing to engage each other and stir described triggering rotation dish 2, then drive the triggering affixed with it by triggering rotating of rotation dish 2 Movable part 3 swings certain angle in mounting seat 1 breach.The most when the engine rotational speed is increased, due on centrifugal plectrum 4 The side that the centrifugal action produced is more than back the reset response of positive spring and causes triggered activity part 3 to rotate relative to mounting seat 1 To turning an angle further along, i.e. achieve the purpose increasing ignition advance angle 15.

Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new The scope of type each embodiment technical scheme.

Claims (10)

1. a variable igniting correct timing controller, it is characterised in that: include mounting seat, and be arranged in described mounting seat Trigger rotation dish, triggered activity part and centrifugal plectrum；

Symmetrical least one set rotation dish toothing on the side surface circumference of described triggering rotation dish；

The quantity of described centrifugal plectrum is corresponding with described rotation dish toothing with position, and with corresponding described rotation dish toothing Engage each other, it is possible under sufficiently large centrifugal action, stir described triggering rotation dish deflect；

It is respectively provided with back positive spring on described triggering rotation dish and described centrifugal plectrum；

The side of described mounting seat arranges breach, and described triggered activity part is affixed with the side of described triggering rotation dish, and from institute State breach to stretch out；

The outer end of described triggered activity part is provided with triggering boss or trigger sensor.

Variable igniting correct timing controller the most according to claim 1, it is characterised in that described time positive spring is extension spring, And one end of each described extension spring is all connected with described mounting seat, the other end is connected with triggered activity part or centrifugal plectrum respectively.

Variable igniting correct timing controller the most according to claim 1, it is characterised in that described time positive spring is torsion spring, And each torsion spring is separately positioned in the rotating shaft of described triggering rotation dish or described centrifugal plectrum.

Variable igniting correct timing controller the most according to claim 1, it is characterised in that the center of circle of described triggering rotation dish Place sets rotation dish circular hole, and described circular hole is connected by bearing with the central rotating shaft of mounting seat.

Variable igniting correct timing controller the most according to claim 4, it is characterised in that also install on described central rotating shaft There are pad and stop nut, to limit the axial runout of described triggering rotation dish.

Variable igniting correct timing controller the most according to claim 1, it is characterised in that described rotation dish toothing and institute State centrifugal plectrum and be two groups, and described rotation dish toothing and described centrifugal plectrum are all about the center of described triggering rotation dish Be centrosymmetric distribution.

Variable igniting correct timing controller the most according to claim 1, it is characterised in that described breach is lived along described triggering The two ends of the moving part direction of motion are respectively arranged with triggered activity part position limiting structure, for limiting the rotation position of described triggered activity part Put.

Variable igniting correct timing controller the most according to claim 1, it is characterised in that be provided with plectrum in described mounting seat Position limiting structure, for limiting the opening angle of described centrifugal plectrum.

Variable igniting correct timing controller the most according to claim 5, it is characterised in that described stop nut one end is made Non-circular closing in or radially close up after cracking, utilizes the elastic force closed up to make to screw between screw thread and compresses.

Variable igniting correct timing controller the most according to claim 1, it is characterised in that the circle corresponding to described breach Heart angle is 5 °-45 °.