CN208294689U - A kind of actuating mechanism of starter - Google Patents

Abstract

The utility model provides a kind of actuating mechanism of starter, belongs to field of mechanical technique.It solves the problems, such as that the actuating mechanism safety of existing starter is low.It includes the starting axis being set in the shell of starter, starting axis one end extends to outside shell and ratchet is located on the end of starting axis, positioning column is located and is externally provided with elastic component and check plate in long strip in shell outside shell, check plate is socketed on positioning column, one end of check plate is in ratchet shape for the end of positioning end and positioning end, the end of positioning end is caught in the tooth on the outside of ratchet under the elastic force effect of elastic component and ratchet is made to form one-directional rotation, and the other end of check plate is the connecting pin being connected for the bracing wire with farm equipment.It has many advantages, such as that structure is simple, stability is good, highly-safe.

Description

A kind of actuating mechanism of starter

Technical field

The utility model belongs to field of mechanical technique, is related to a kind of starter more particularly to a kind of starting of starter Mechanism.

Background technique

With economic continuous development, the degree of mechanization of agriculture is higher and higher, and agricultural cultivating & machine has obtained more and more common Use, its power source is diesel engine, and diesel engine must just can enter operating condition by auxiliary starting device before work. What current auxiliary starting device common on the market used is also all traditional manual cranking mode, it is to be utilized to shake by driver Driving the actuating mechanism in auxiliary starting device to be started, and the whirlpool in auxiliary starting device is driven using actuating mechanism It is discharged again after the elastic force tightening of coil spring, to drive diesel engine starting.

Hand-rail type auxiliary starting device various structures, but starting pinciple and actuating mechanism are essentially identical.Hand-rail type auxiliary The actuating mechanism of starting device generally comprises the starting axis that can be rotated and the elastic force of scroll spring can be made to tighten in rotation, Ratchet can be connected on starting axis and so that ratchet is formed one-directional rotation using a pawl, be in this way both to keep ratchet normal Rotate the elastic force of tightening scroll spring is consolidated to rotate backward ratchet can not after the elastic force of scroll spring is tightened again Determine the elastic force of scroll spring.Pawl is fixed on a positioning column, while a connection sheet can be fixed on positioning column and will be agricultural The bracing wire of equipment is connected in connection sheet, will make positioning column rotation to make spine when driver pulls connection sheet by bracing wire Pawl mutually separates to discharge the gasoline that the elastic force of scroll spring, specific structure and connection relationship and Chinese patent were once disclosed with ratchet Laborsaving starter [the application number: 201320640508.9] identical of machine and diesel engine.

Although such actuating mechanism has preferable starting effect, but since connection sheet, pawl and positioning column are Individual part, only according to require to connect carry out using, that is to say, that use split type manufacture, such number of components Amount is just relatively more, and it is easy to appear be not available because of one or two of damage parts or cause because of some loose-parts Total using impacted situation, reduced so as to cause the safety in utilization of entire actuating mechanism.

Summary of the invention

The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, to propose a kind of starter motor of starter Structure, the technical problem to be solved is that how to improve safety in utilization.

The purpose of this utility model can be realized by the following technical scheme:

A kind of actuating mechanism of starter, including the starting axis being set in the shell of starter, described starting axis one end It is outer and ratchet is located on the end of starting axis to extend to shell, which is characterized in that be located outside the shell positioning column and Elastic component is externally provided in shell and check plate in long strip, check plate are socketed on positioning column, and one end of check plate is fixed Position end and the end of positioning end are in ratchet shape, and the end of positioning end is caught in the tooth on the outside of ratchet under the elastic force effect of elastic component And ratchet is made to form one-directional rotation, the other end of check plate is the connecting pin being connected for the bracing wire with farm equipment.

Check plate makes ratchet form the structure one-directionally rotated by the effect of positioning end and elastic component, while check plate passes through The bracing wire of connecting pin and farm equipment forms connection, on startup driver using crank along the direction that ratchet can rotate come fastly Speed shake starting axis to put aside startup power, due to positioning end effect so that ratchet be one-directional rotation, driver will Starting axis can not can actively be rotated backward because of the cooperation of positioning end and ratchet to discharge startup power after crank is removed.Work as driving Member by the bracing wire of farm equipment pulls connecting pin to rotate check plate, will make positioning end overcome elastic component elastic force and with Tooth on the outside of ratchet disengages, and so starting axis, which is just able to be capable of forming, rotates backward to discharge startup power.

The actuating mechanism of this starter is matched by setting positioning end for one end of check plate with the tooth on the outside of ratchet It closes and the connecting pin that connect the other end of check plate as the bracing wire with farm equipment, so as to have an object more for check plate Effect not only makes the structure of entire actuating mechanism become more optimization, cost lower；More importantly check plate is one Body formula structure, the structure of integral type manufacture more convenient, and stability is relatively good when in use, and it is fixed especially to make Position end and connecting pin pass through check plate and increase intensity between each other, to be less likely to be damaged in use, therefore very well Ground improves the safety in utilization of the actuating mechanism of this starter.

In the actuating mechanism of above-mentioned starter, the positioning end has indent towards the side of the tooth on the outside of ratchet Cambered surface one, the side of tooth of the positioning end on the outside of ratchet has the cambered surface two of evagination, and cambered surface one and cambered surface two are in positioning end End intersection.

In positioning end towards the cambered surface one of the side of the tooth on the outside of ratchet setting indent, and in positioning end on the outside of ratchet Tooth side setting evagination cambered surface two, and intersect cambered surface one in the end of positioning end with cambered surface two, that is to say, that lead to The cooperation of cambered surface one and cambered surface two is crossed so that positioning end is in ratchet shape, thus can after in the tooth for being caught in positioning end on the outside of ratchet Ratchet is set to form one-directional rotation.

In the actuating mechanism of above-mentioned starter, the positioning end has anti-rotation towards the side of the tooth on the outside of ratchet Recess, the cambered surface one are one of side wall of anti-rotation recess.

Positioning end towards the tooth on the outside of ratchet side be arranged anti-rotation recess, and cambered surface one be anti-rotation recess wherein One side wall, in this case in addition to being stuck between two teeth adjacent on the outside of ratchet in the positioning end of ratchet shape, while the two One of tooth in tooth can be also stuck in anti-rotation recess, can be protected while improving safety in utilization using check plate in this way Demonstrate,prove the one-directional rotation effect of ratchet.

In the actuating mechanism of above-mentioned starter, the distance of the connecting pin to check plate center of rotation is greater than positioning Hold the distance of check plate center of rotation.

Since user will pull connecting pin that check plate rotation is made to disengage positioning end mutually with ratchet by bracing wire, because This can make the distance that the distance of connecting pin to check plate center of rotation is set greater than positioning end to check plate center of rotation Check plate forms the structure of laborsaving lever, operates so more laborsaving.

In the actuating mechanism of above-mentioned starter, the side of tooth of the check plate on the outside of ratchet is equipped with protrusion Starting piece.

When bracing wire is broken down, driver normally can not pull check plate by bracing wire, and driver can lead at this time Cross the normal release by crank set on the starting piece of check plate to pull check plate to guarantee startup power.By starting piece and draw Line starting makes this actuating mechanism form double starting mode, avoids when single Starting mode breaks down and directly results in nothing Method uses, this also improves the safety in utilization of the actuating mechanism of this starter to a certain extent.

In the actuating mechanism of above-mentioned starter, the end of the connecting pin is equipped on the outside of from check plate towards ratchet The side of tooth bend the interconnecting piece that turns down still further below, the interconnecting piece is equipped with connecting hole, and connecting pin is outside ratchet The one side wall of the tooth of side and the side wall of interconnecting piece are in arc transition.

Bracing wire forms connection by connecting hole and interconnecting piece, to be achieved pulling check plate.Simultaneously backwards by connecting pin The one side wall of tooth on the outside of ratchet and the side wall of interconnecting piece are set as in arc transition, can to avoid two sidewalls junction more It is sharp.

In the actuating mechanism of above-mentioned starter, the side of tooth of the check plate on the outside of ratchet is equipped with outside The stop tab protruded and be turned over downwards, and stop tab, close to connecting pin, the shell is equipped with the stopper section of protrusion, works as backstop The stop tab after overcome the elastic force direction of elastic component to turn an angle bends downward the side energy of part to piece under external force Enough sides with stopper section lean.

Connecting pin is close to ratchet, if then driver pulls bracing wire while positioning end is detached from ratchet Power is excessive to will result in check plate inordinate rotation, that is to say, that it is possible that connecting pin snaps into ratchet and causes to start axis quilt Stuck suddenly, i.e., diesel engine stops suddenly during starting, this can cause very big loss to the performance of diesel engine.And Since ratchet is high-speed rotation when discharging startup power, ratchet is connected distal process and so blocks meeting to ratchet and starting axis or stop Movable plate causes very big impact force, this can seriously affect the safety in utilization and service life of starter.

For this purpose, the actuating mechanism of this starter is by being arranged stop tab in the side of check plate, and set in shell peripheral hardware convex The stopper section risen is leant when bracing wire pulls connecting pin to rotate check plate by stop tab side with stopper section side to be formed Control to cable travel snaps into the risk in ratchet so as to avoid connecting pin caused by check plate inordinate rotation, into one Step improves the safety in utilization of this starter and extends service life.

Compared with prior art, the actuating mechanism of this starter by by one end of check plate be set as positioning end come with spine The connecting pin that the tooth in wheel outside matches and connect the other end of check plate as the bracing wire with farm equipment, so that stop Plate has the effect of multi-purpose content, not only makes the structure of entire actuating mechanism become more optimization, cost lower；It is more important Be that check plate is an integral structure, the structure of integral type manufactures more convenient, and stability ratio when in use Preferably, positioning end and connecting pin is especially made to increase intensity between each other by check plate, to not allow in use It is easy to damage, therefore the safety in utilization of the actuating mechanism of this starter is improved well.

Detailed description of the invention

Fig. 1 is the schematic diagram of the actuating mechanism embodiment one of this starter.

Fig. 2 is another angle schematic diagram of the actuating mechanism embodiment one of this starter.

Fig. 3 is the cooperation schematic diagram in the actuating mechanism of this starter between baffle plate and ratchet.

Fig. 4 A is the schematic diagram of check plate in the actuating mechanism of this starter.

Fig. 4 B is another angle schematic diagram of check plate in the actuating mechanism of this starter.

In figure, 1, shell；1a, stopper section；2, start axis；3, ratchet；4, elastic component；5, check plate；5a, positioning end； 5a1, cambered surface one；5a2, cambered surface two；5a3, anti-rotation recess；5b, connecting pin；5b1, interconnecting piece；5b11, connecting hole；5c, starting Piece；5d, stop tab；6, positioning column；7, support plate；7a, block；7b, anti-delinking part；7b1, positioning recess.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

Embodiment one

As depicted in figs. 1 and 2, a kind of actuating mechanism of starter, starter include shell 1, shell 1 in it is open at one end, The closed tubular of the other end, actuating mechanism include being set to the starting axis 2 that in shell 1 and can be rotated, and starting 2 one end of axis extends to Outside the closed one end of shell 1, starting axis 2 is located at the end section outside shell 1 in hexagon, due to being all six in setting on crank Corner apertures, therefore in starting axis 2, be located on one end outside shell 1 can band by being covered crank by Hexagon hole by driver Dynamic starting axis 2 rotates.

As shown in Figure 1, Figure 2 and Figure 3, it is socketed with ratchet 3 on one end that starting axis 2 is located at outside shell 1,3 center of ratchet is set There is hexagon ring, ratchet 3 is socketed on one end that starting axis 2 is located at outside shell 1 by hexagon ring and is formed with starting axis 2 circumferential solid It is fixed.This actuating mechanism further includes the elastic component 4 and check plate 5 being set to outside the closing of shell 1 one end, the closed one end of shell 1 It is fixed with support plate 7, positioning column 6 is fixed on one end of support plate 7, check plate 5 is in the plate of strip, and check plate 5 is socketed in On positioning column 6 and axial limiting is formed, one end of check plate 5 is positioning end 5a and the end of positioning end 5a is in ratchet shape, positioning In the tooth for holding the end of 5a to be caught in 3 outside of ratchet under the elastic force effect of elastic component 4 and ratchet 3 is made to form one-directional rotation.

As shown in Figure 4 A and 4 B shown in FIG., specifically, the side of positioning end 5a towards the tooth in 3 outside of ratchet has the arc of indent One 5a1 of face, positioning end 5a have two 5a2 of cambered surface of evagination, one 5a1 of cambered surface and cambered surface two backwards to the side of the tooth in 3 outside of ratchet 5a2 intersects in the end of positioning end 5a, so that the end of positioning end 5a is in ratchet shape.Positioning end 5a is towards outside ratchet 3 It is one of side wall of anti-rotation recess 5a3 that the side of the tooth of side, which has anti-rotation recess 5a3, one 5a1 of cambered surface,.Elastic component 4 is to turn round Spring, support plate 7 are equipped with the block 7a of protrusion, and one end of torsional spring is hooked on block 7a, and the other end of torsional spring is hooked in positioning end 5a On the side of the tooth in 3 outside of ratchet.

As shown in Fig. 3, Fig. 4 A and Fig. 4 B, the other end of check plate 5 is the company being connected for the bracing wire with farm equipment Connect distance of the distance greater than positioning end 5a to 5 center of rotation of check plate of end 5b, connecting pin 5b to 5 center of rotation of check plate.Even The end for meeting end 5b, which is equipped with from check plate 5 towards the side of the tooth in 3 outside of ratchet, bends the interconnecting piece 5b1 turned down still further below, even Socket part 5b1 is equipped with connecting hole 5b11, and connecting pin 5b is backwards to the one side wall of the tooth in 3 outside of ratchet and the side wall of interconnecting piece 5b1 In arc transition, the direction that bracing wire pulls check plate 5 to swing is contrary with the elastic force of elastic component 4.

During installation, the lever of farm equipment and the connecting pin 5b of check plate 5 are attached by bracing wire, specifically One end of bracing wire is connected on lever, and the other end of bracing wire is connected on the connecting hole 5b11 of connecting pin 5b, to allow driving Member can pull check plate 5 using bracing wire so that stop plate rotation, is finally detached from ratchet 3 by positioning end 5a to discharge starting axis 2 startup power.Farther out due to the distance of lever and check plate 5, then the length of bracing wire will be long, such bracing wire meeting four Place runs, and especially will cause more serious driving hidden danger when bracing wire is run into the head of tractor, therefore can be The anti-delinking part 7b and the setting positioning recess 7b1 on the 7b of anti-delinking part that the other end setting of support plate 7 raises upward, only need bracing wire to wear Cross positioning recess 7b1, so that it may stablize using positioning recess 7b1 to bracing wire, to prevent bracing wire from running chaotically.

It should be noted that connecting pin 5b is close to ratchet 3 while the end of positioning end 5a is detached from ratchet 3 , if then driver pulls the power of bracing wire is excessive to will result in 5 inordinate rotation of check plate, that is to say, that it is possible that even It meets end 5b to snap into ratchet 3 and lead to start axis 2 by stuck suddenly, i.e. diesel engine stops suddenly during starting, this meeting Very big loss is caused to the performance of diesel engine.And since ratchet 3 is high-speed rotation when starting axis 2 and discharging startup power, Ratchet 3 is connected end 5b and blocks can cause very big impact force to ratchet 3 and starting axis 2 or check plate 5 suddenly, this can be serious Influence the safety in utilization and service life of starter.

As shown in Fig. 2, for this purpose, this starter is by being arranged convex backwards to the side of the tooth in 3 outside of ratchet in check plate 5 Out and the stop tab 5d that is turned over downwards, and on the closed one end of shell 1 the stopper section 1a of protrusion is set, pull in bracing wire and only connect It is leant by the side stop tab 5d and the side stopper section 1a when meeting end 5b to form the control to cable travel, so as to avoid only Connecting pin 5b snaps into the risk in ratchet 3 caused by 5 inordinate rotation of movable plate.In addition, bracing wire there is also disconnect possibility, this Sample driver just normally can not pull check plate 5 by bracing wire, in order to solve this problem, can be in check plate 5 backwards to spine Crank set can be pulled stop on starting piece 5c by the starting piece 5c of the side setting protrusion of the tooth in 3 outside of wheel, driver Plate 5 is with the normal release of guarantee starting 2 startup power of axis.By starting the setting of piece 5c and connecting pin 5b so that this starter is formed Double starting mode is directly resulted in and is not available when single Starting mode being avoided to break down, this is also to a certain extent Extend the service life of this starter.

Embodiment two

The present embodiment is essentially identical with the structure and principle of embodiment one, the difference is that: in the present embodiment, elasticity Part 4 is tension spring, and one end of tension spring is fixed on the 7b of anti-delinking part, and the other end of tension spring is connected to positioning end 5a towards 3 outside of ratchet Tooth side on.

Tension spring is set by elastic component 4 and one end of tension spring is fixed on the 7b of anti-delinking part, and the other end of tension spring is connected to Positioning end 5a towards on the side of the tooth in the outside of ratchet 3, due to anti-delinking part 7b be it is fixed, the pulling force of tension spring is able to Acting on positioning end 5a and making positioning end 5a always has the trend being embedded in 3 outside tooth of ratchet, to enable 3 shape of ratchet At one-directional rotation, to guarantee safety when using.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (5)

1. a kind of actuating mechanism of starter, including the starting axis (2) being set in the shell (1) of starter, the starting axis (2) one end extends to shell (1) outside and ratchet (3) is located on the end of starting axis (2), which is characterized in that the shell (1) positioning column (6) is located and is externally provided with elastic component (4) and check plate in long strip (5), check plate in shell (1) outside (5) it is socketed on positioning column (6), one end of check plate (5) is positioning end (5a) and the end of positioning end (5a) is in ratchet shape, fixed The end at position end (5a) is caught in the tooth on the outside of ratchet (3) Nei under the elastic force effect of elastic component (4) and forms ratchet (3) unidirectionally Rotation, the other end of check plate (5) is the connecting pin (5b) being connected for the bracing wire with farm equipment, positioning end (5a) direction Cambered surface one (5a1) of the side of tooth on the outside of ratchet (3) with indent, the one of tooth of the positioning end (5a) on the outside of ratchet (3) Side has the cambered surface two (5a2) of evagination, and cambered surface one (5a1) intersects with cambered surface two (5a2) in the end of positioning end (5a), positions Hold (5a) that there is anti-rotation recess (5a3) towards the side of the tooth on the outside of ratchet (3), cambered surface one (5a1) is anti-rotation recess (5a3) One of side wall.

2. the actuating mechanism of starter according to claim 1, which is characterized in that check plate is arrived in the connecting pin (5b) (5) distance of center of rotation is greater than the distance that positioning end (5a) arrives check plate (5) center of rotation.

3. the actuating mechanism of starter according to claim 1, which is characterized in that the check plate (5) is backwards to ratchet (3) side of the tooth on the outside of is equipped with the starting piece (5c) of protrusion.

4. the actuating mechanism of starter according to claim 1, which is characterized in that the end of the connecting pin (5b) is set There is the side of the tooth on the outside of from check plate (5) towards ratchet (3) to bend the interconnecting piece (5b1) turned down still further below, the connection Portion (5b1) is equipped with connecting hole (5b11), and the one side wall and interconnecting piece of the tooth of connecting pin (5b) on the outside of ratchet (3) The side wall of (5b1) is in arc transition.

5. the actuating mechanism of starter according to claim 4, which is characterized in that the check plate (5) is backwards to ratchet (3) side of the tooth on the outside of is equipped with the stop tab (5d) for outwardly protruding and being turned over downwards, and stop tab (5d) is close to connecting pin (5b), the shell (1) are equipped with the stopper section (1a) of protrusion, when edge overcomes elastic component to stop tab (5d) under external force (4) side that stop tab (5d) bends downward part after elastic force direction turns an angle can be with the side of stopper section (1a) It leans.