CN202971004U - Starting relay and flexible mesh starter - Google Patents
Starting relay and flexible mesh starter Download PDFInfo
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- CN202971004U CN202971004U CN 201220676124 CN201220676124U CN202971004U CN 202971004 U CN202971004 U CN 202971004U CN 201220676124 CN201220676124 CN 201220676124 CN 201220676124 U CN201220676124 U CN 201220676124U CN 202971004 U CN202971004 U CN 202971004U
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- contact
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Abstract
The utility model discloses a starting relay and a flexible mesh starter. The flexible mesh starter comprises an electromagnetic switch and the starting relay. The starting relay comprises a supporting cover, a movable contact which is arranged at the top end of a relay coil through a movable contact spring, a first stationary contact which is arranged in the supporting cover through a first contact bolt and is connected with a storage battery terminal, and a second stationary contact which is arranged in the supporting cover through a second contact bolt and is connected with a pull-in coil terminal of the electromagnetic switch. The starting relay further comprises a third stationary contact which is arranged in the supporting cover through a third bolt and is connected with a holding coil terminal of the electromagnetic switch. The first stationary contact, the second stationary contact and the third stationary contact respectively correspond to the movable contact. The starting relay and the flexible mesh starter are simple in structure, and low in cost, due to the fact that flexible mesh is arranged, gear jacking and gear milling are incapable of happening, the electromagnetic switch is incapable of being burnt, and service of the flexible mesh starter is prolonged.
Description
Technical field
The utility model relates to a kind of starter relay and starter motor, specifically, but relates to the flexible engagement starter that a kind of starter relay reaches slow-speed.
Background technique
For the larger starter motor of power, employing can be avoided the flexibility engagement technology of gear wear usually.
The maximum characteristics of flexible engagement starter are that actuation gear can rotate, thereby can automatically diverge apical tooth when apical tooth occurs, make gear be in all the time smooth engagement, after namely allowing all the time gear first mesh, the magnetic switch contact is just connected, and starter motor is just really started working.Its advantage is can not make gear wear, more the mill teeth fault can not occur.But the flexible engagement starter major part is the starter motor of slow-speed at present.
But the starter motor of slow-speed has two kinds of rotating speeds, release the stage with the low speed slow-speed at actuation gear, in order to diverge at any time apical tooth, high speed full power operation just after gear engagement drives engine start, but therefore is called again the starter motor of slow-speed, first slow-speed because of engagement process again, just run up after engagement, minute two steps carry out, therefore cry again the secondary engagement.
For making starter motor realize slow-speed in the gear release stage, thereby general the employing increases the method that the pull in winding wire diameter increases the electric current by pull in winding and realizes.Electric current in flowing through pull in winding is during greater than the no load current of starter motor, and starter motor can be realized slow-speed.But iff increasing the pull in winding wire diameter, and its number of turn is constant, and the electromagnetic force of magnetic switch can increase, thereby makes actuation gear apical tooth power excessive and destroy gear ring.So in the situation that guarantee that magnetic switch magnetic force is constant, the pull in winding wire diameter has increased, its number of turn must reduce.Simultaneously, in order to guarantee to cut off the power supply, the magnetic force that pull in winding and hold-in winding produce can be offset and be made the contact disconnect, and the number of turn of pull in winding and hold-in winding must be identical or close.Like this, the hold-in winding number of turn also must reduce, and probably causes to keep hypodynamic consequence.On the other hand, due to pull in winding with the hold-in winding number of turn all reduces and its electric current increases, cause the current density of two coils all can increase, hold-in winding particularly, in the situation that current"on"time is long, can easy overheated burning.
In Chinese patent 200610040946 " starter motor and cranking-motor relay ", increase by the second output wiring terminal on starter relay, section connects movable contact bridge and the second output wiring terminal with flexible circuit conductor within it.The shortcoming of this scheme is: the one, connect a flexible circuit conductor, the bad layout of the installing space of wire above mobile movable contact dish; The 2nd, be the component of a movement due to the movable contact dish, the reliability that two parts of flexible circuit conductor and this are connected is difficult to ensure card.
The model utility content
The purpose of this utility model is to provide a kind of starter relay and flexible engagement starter, the output wiring terminal that starter relay increases, be that stationary contact is arranged in the starter relay supporting cover, reliable and stable, it is connected with the hold-in winding terminal of flexible engagement starter, and when outage, pull in winding and hold-in winding can not form series circuit, two coils all are in turnoff state, and the main contact in magnetic switch can disconnect smoothly.
To achieve these goals, the utility model provides a kind of starter relay, is installed on flexible engagement starter, comprising:
Supporting cover;
Movable contact is arranged at the relay coil top by movable touching plate; And
The first stationary contact is arranged in described supporting cover by the first contact screw, and is connected with accumulator terminal;
The second stationary contact is arranged in described supporting cover by the second contact screw, and is connected with the pull in winding terminal of magnetic switch, also comprises:
The 3rd stationary contact is arranged in described supporting cover by the 3rd contact screw, and is connected with the hold-in winding terminal of described magnetic switch;
Wherein, described the first stationary contact, described the second stationary contact and described the 3rd stationary contact are corresponding with described movable contact respectively.
Above-mentioned starter relay, wherein, Y-shaped three contact jaws, described the first contact screw, described the second contact screw and described the 3rd contact screw rounded projections arranged of extending of described movable touching plate.
Above-mentioned starter relay, wherein, described the 3rd contact screw end is the reed-type structure.
Above-mentioned starter relay, wherein, the reed of described reed-type structure is circular arc or bending is acute angle shape.
The utility model also provides a kind of flexible engagement starter, comprising:
Magnetic switch comprises pull in winding and hold-in winding; And
Starter relay comprises:
Supporting cover;
Movable contact is arranged at the relay coil top by movable touching plate; And
The first stationary contact is arranged in described supporting cover by the first contact screw, and is connected with accumulator terminal;
The second stationary contact is arranged in described supporting cover by the second contact screw, and is connected with the pull in winding terminal of magnetic switch, and described starter relay also comprises:
The 3rd stationary contact is arranged in described supporting cover by the 3rd contact screw, and is connected with the hold-in winding terminal of described magnetic switch;
Wherein, described the first stationary contact, described the second stationary contact and described the 3rd stationary contact are corresponding with described movable contact respectively.
Above-mentioned flexible engagement starter, wherein, Y-shaped three contact jaws, described the first contact screw, described the second contact screw and described the 3rd contact screw rounded projections arranged of extending of described movable touching plate.
Above-mentioned flexible engagement starter, wherein, described the 3rd contact screw end is the reed-type structure.
Above-mentioned flexible engagement starter, wherein, the reed of described reed-type structure is circular arc or bending is acute angle shape.
Above-mentioned flexible engagement starter, wherein, the described pull in winding number of turn and the described hold-in winding number of turn are unequal.
Above-mentioned flexible engagement starter, wherein, described pull in winding is by aluminum steel or iron wire coiling.
Beneficial functional of the present utility model is, adopts starter relay of the present utility model and flexible engagement starter, and can the give security large electric current of starter motor slow-speed of sucking coil can guarantee that again outage discharges.Reach simple in structure, cost, flexibility and mesh not apical tooth, mill teeth not, the beneficial effect that switch does not burn, thereby the working life of improving starter motor.Simultaneously, the utility model assembling capacity is good, and assembly process is identical with existing relay, assembles reliable and stable.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Description of drawings
Fig. 1 is the structural drawing of flexible engagement starter of the present utility model;
Fig. 2 is the circuit diagram of flexible engagement starter of the present utility model;
Fig. 3 is the structural drawing of starter relay of the present utility model;
Fig. 4 is the right elevation of Fig. 3;
Fig. 5 is the movable touching plate structural drawing of starter relay of the present utility model;
Fig. 6 is the structural drawing of the contact screw of starter relay of the present utility model;
Fig. 7 is another embodiment of the 3rd contact screw of starter relay of the present utility model.
Wherein, reference character
1-motor
2-live axle
3-one-way element
4-actuation gear
5-flywheel ring gear
6-key door switch
7-starter relay
8-starter relay contact
8a-movable contact
8b-stationary contact
8c-stationary contact
8d-stationary contact
9-starter relay coil
10-pull in winding
11-hold-in winding
12-Return spring
13-movable contact
14-stationary contact
15-magnetic switch
16-shift fork
16a-shift fork upper end
16b-shift fork lower end
17-planetary reducer
18-fulcrum
19-body
20-only seats
21-return spring
22-storage battery
23-pull in winding terminal
24-accumulator terminal
25-hold-in winding terminal
26-supporting cover
Embodiment
Below in conjunction with the drawings and specific embodiments, technical solutions of the utility model being described in detail, further understanding the purpose of this utility model, scheme and effect, but is not the restriction as the utility model claims protection domain.
Referring to Fig. 1, Fig. 1 is the structural drawing of flexible engagement starter of the present utility model, the basic structure of starter motor comprises that the motor 1(of the power of rotating sees Fig. 2), the speed reducer 17 that is connected with this motor 1, be configured in the one-way element 3 on the live axle 2 of speed reducer 17, the actuation gear 4 that slides integratedly with this one-way element 3 on live axle 2.And, actuating motor also be provided with to motor 1 switch on, by shift fork 16 and with one-way element 3 integratedly to the magnetic switch 15 of actuation gear 4 to flywheel ring gear 5 application of forces of motor.Magnetic switch 15 comprise pull in winding 10, hold-in winding 11 and be configured in pull in winding 10 and the interior week of hold-in winding 11, be free to slide vertically moving unshakable in one's determination 12.Shift fork 16 is mounted to centered by fulcrum 18 and rotates, and shift fork lower end 16b coordinates with one-way element 3, and shift fork upper end 16a is connected with moving unshakable in one's determination 12 of the magnetic switch that is arranged on motor 1 top.
Referring to Fig. 2 to Fig. 5, starter relay 7 comprises starter relay coil 9 and starter relay contact 8.Starter relay contact 8 comprises a movable contact 8a and three stationary contact 8b, 8c, 8d.Movable contact 8a is arranged at the top of relay coil 9 by movable touching plate, as seen from Figure 5, movable touching plate is Y-shaped extends three contact jaws.As seen from Figure 4, three stationary contact 8b, 8c and 8d are contact screw, and even distribution triangular in shape is arranged on supporting cover 26, and corresponding with extended three contact jaws of movable touching plate.Fig. 6 is the structural drawing of three contact screws of starter relay of the present utility model, wherein the contact screw end of stationary contact 8c is the reed-type structure, the acutangulate shape of reed bending, as shown in the figure, stationary contact 8c contacts with movable contact 8a with stationary contact 8d prior to other stationary contacts 8b.Can guarantee like this three stationary contacts all can with movable contact 8a close contact, prevent because movable contact 8a tilts or the not high bad connection that causes of stationary contact positional accuracy.Fig. 7 is the embodiment of another kind of circular arc reed structure of the contact screw end of the stationary contact 8c in the utility model.Reed-type structure of the present utility model is preferably above-mentioned circular arc or the structure of bending acute angle shape, but the utility model is not as limit.
Referring to Fig. 2, wherein, three stationary contact 8b, 8c, the 8d of starter relay contact 8 are electrically connected to stationary contact terminal 24, hold-in winding terminal 25, the pull in winding terminal 23 of magnetic switch 15 respectively.
In conjunction with Fig. 2, the working procedure of the actuating motor of said structure is:
In actuating motor when work,, key door switch 6 is connected, and the starter relay coil 9 in starting starter relay 7 is namely by excitatory, starter relay contact 8 closures.Starter relay contact 8 one closures, stationary contact 8c and 8d all electric, make hold-in winding terminal 25 and 23 energisings of pull in winding terminal of magnetic switch 15, its pull in winding 10 and hold-in winding 11 are switched on simultaneously, at pull in winding 10 and hold-in winding 11, body 19, only seat 20, moving unshakable in one's determination 12 forms magnetic circuits, adhesive moving unshakable in one's determination 12 is moved to seat 20 only.Moving unshakable in one's determination 12 promote movable contact 13 compression retracteding position springs 21 to stationary contact 14 motions, pull simultaneously shift fork 16.Shift fork 16 is the rotation of the clockwise direction in Fig. 1 take fulcrum 18 as center of rotation, rotation due to this shift fork 16, the rear portion side end face of shift fork lower end 16b butt one-way element 3, one-way element 3 is pressed to left in Fig. 1, one-way element 3 becomes one with actuation gear 4, and left moves in Fig. 1 on live axle 2.
In the moment of the end face of the end face butt flywheel ring gear 5 of actuation gear 4, moving axially temporarily of actuation gear 4 stops.On the other hand, electric current through starter relay contact 8 and pull in winding 10 flow into motors 1, because pull in winding 10 resistance are less, motor 1 can be realized slow-speed, and drives actuation gears 4 rotations by speed reducer and one-way element 3.Actuation gear 4 and the basic moment of meshing of flywheel ring gear 5, the movable contact 13 of switch starter and stationary contact 14 closures, the voltage at pull in winding this moment 10 two ends is identical, it is all battery tension, it is by short circuit, and the electric current of exporting from storage battery 22 flows directly into motor 1 without pull in winding 10, motor 1 beginning High Rotation Speed, rotation is by speed reducer 17, and one-way element 3 is passed to actuation gear 4.Due to this moment actuation gear 4 meshed successfully with flywheel ring gear 5, the High Rotation Speed of flywheel ring gear 4 drags motor by flywheel ring gear 5, until reach the fire speed of motor, completes starting.
After starting successfully, key door switch 6 disconnects, and in starter relay, no current flows through, the movable contact 8a of starter relay and three stationary contact 8b, 8c, 8d separates under the effect of spring force, like this, the pull in winding terminal 23 of starter motor and hold-in winding terminal 25 all cut off the power supply, at this moment, pull in winding 10 and hold-in winding 11 are turnoff state, and movable contact 13 breaks away from stationary contact 14 under the effect of return spring 21, thereby make the electric motor loop outage, starter motor stops the rotation.Movable contact 13 will move unshakable in one's determination 12 and back into the home position.Moving unshakable in one's determination 12 push back the home position with shift fork 16.The pressure of 16 pairs of one-way elements 3 of shift fork disappears like this.Under the effect of spring force, one-way element 3 moves backward, drives actuation gear 4 and extracts from flywheel ring gear 5.Whole starter motor quits work, and gets back to reset condition.
When outage, because separating from the head end of hold-in winding 11, the head end of pull in winding 10 in magnetic switch 15 is connected on the different stationary contact of different starter relay 7, pull in winding 10 can not form series circuit with hold-in winding 11, two coils all are in turnoff state, so the main contact 13 in described magnetic switch 15,14 can disconnect smoothly.Like this, the number of turn of described pull in winding and described hold-in winding needn't require identical, can differ greatly.
The pull in winding 10 of magnetic switch 15 can by aluminum steel or iron wire coiling, can further reduce pull in winding 10 numbers of turn, to reduce costs.
Certainly; the utility model also can have other various embodiments; in the situation that do not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1. a starter relay, be installed on flexible engagement starter, comprising:
Supporting cover;
Movable contact is arranged at the relay coil top by movable touching plate;
The first stationary contact is arranged in described supporting cover by the first contact screw, and is connected with accumulator terminal; And
The second stationary contact is arranged in described supporting cover by the second contact screw, and is connected with the pull in winding terminal of magnetic switch, it is characterized in that, also comprises:
The 3rd stationary contact is arranged in described supporting cover by the 3rd contact screw, and is connected with the hold-in winding terminal of described magnetic switch;
Wherein, described the first stationary contact, described the second stationary contact and described the 3rd stationary contact are corresponding with described movable contact respectively.
2. starter relay according to claim 1, is characterized in that, Y-shaped three contact jaws, described the first contact screw, described the second contact screw and described the 3rd contact screw rounded projections arranged of extending of described movable touching plate.
3. starter relay according to claim 2, is characterized in that, described the 3rd contact screw end is the reed-type structure.
4. starter relay according to claim 3, is characterized in that, the reed of described reed-type structure is circular arc or bending is acute angle shape.
5. flexible engagement starter comprises:
Magnetic switch comprises pull in winding and hold-in winding; And
Starter relay comprises:
Supporting cover;
Movable contact is arranged at the relay coil top by movable touching plate; And
The first stationary contact is arranged in described supporting cover by the first contact screw, and is connected with accumulator terminal;
The second stationary contact is arranged in described supporting cover by the second contact screw, and is connected with the pull in winding terminal of magnetic switch, it is characterized in that, described starter relay also comprises:
The 3rd stationary contact is arranged in described supporting cover by the 3rd contact screw, and is connected with the hold-in winding terminal of described magnetic switch;
Wherein, described the first stationary contact, described the second stationary contact and described the 3rd stationary contact are corresponding with described movable contact respectively.
6. flexible engagement starter according to claim 5, is characterized in that, Y-shaped three contact jaws, described the first contact screw, described the second contact screw and described the 3rd contact screw rounded projections arranged of extending of described movable touching plate.
7. flexible engagement starter according to claim 6, is characterized in that, described the 3rd contact screw end is the reed-type structure.
8. flexible engagement starter according to claim 7, is characterized in that, the reed of described reed-type structure is circular arc or bending is acute angle shape.
9. flexible engagement starter according to claim 5, is characterized in that, the described pull in winding number of turn and the described hold-in winding number of turn are unequal.
10. flexible engagement starter according to claim 5, is characterized in that, described pull in winding is by aluminum steel or iron wire coiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220676124 CN202971004U (en) | 2012-12-10 | 2012-12-10 | Starting relay and flexible mesh starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220676124 CN202971004U (en) | 2012-12-10 | 2012-12-10 | Starting relay and flexible mesh starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202971004U true CN202971004U (en) | 2013-06-05 |
Family
ID=48512089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220676124 Expired - Fee Related CN202971004U (en) | 2012-12-10 | 2012-12-10 | Starting relay and flexible mesh starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202971004U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465231A (en) * | 2014-12-07 | 2015-03-25 | 吴建刚 | Electromagnetic switch capable of reducing tooth ejecting force of starter |
| CN106585528A (en) * | 2016-12-21 | 2017-04-26 | 东风商用车有限公司 | Integrated automobile engine device |
| CN107869416A (en) * | 2016-09-27 | 2018-04-03 | 北京佩特来电器有限公司 | A kind of auxiliary meshing type starter |
-
2012
- 2012-12-10 CN CN 201220676124 patent/CN202971004U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465231A (en) * | 2014-12-07 | 2015-03-25 | 吴建刚 | Electromagnetic switch capable of reducing tooth ejecting force of starter |
| CN107869416A (en) * | 2016-09-27 | 2018-04-03 | 北京佩特来电器有限公司 | A kind of auxiliary meshing type starter |
| CN107869416B (en) * | 2016-09-27 | 2024-01-05 | 北京佩特来电器有限公司 | Auxiliary meshing type starter |
| CN106585528A (en) * | 2016-12-21 | 2017-04-26 | 东风商用车有限公司 | Integrated automobile engine device |
| CN106585528B (en) * | 2016-12-21 | 2023-09-29 | 东风商用车有限公司 | Automobile engine integrated device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20211210 |