CN105336515B

CN105336515B - A kind of direct-push motor relay

Info

Publication number: CN105336515B
Application number: CN201510787905.2A
Authority: CN
Inventors: 黄兴隆
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-11-17
Filing date: 2015-11-17
Publication date: 2017-11-17
Anticipated expiration: 2035-11-17
Also published as: CN105336515A

Abstract

The present invention discloses a kind of direct-push motor relay, technical side includes relay, drive device and the contact electrode connected with drive device including housing, in housing, the contact electrode includes moving electrode and stationary electrode, the gear train and pushing mechanism that the drive device includes direct current generator, is connected with the output end of direct current generator, it is characterised in that：Described pushing mechanism includes rack impeller, the rack impeller includes push rod, the push rod upper table surface rear end sets the gear teeth, the gear teeth engage with gear train final-stage gear, push rod upper surface front end has framework, is provided with the framework and is flexibly connected preceding push pedal and rear push pedal with it, spring is set between the preceding push pedal and rear push pedal, the preceding push pedal front end both sides set moving electrode, and the push rod is slidably connected with housing.

Description

A kind of direct-push motor relay

Technical field

The present invention relates to relay, specially a kind of electric motor type relay.

Background technology

Relay is a kind of electric control device, is when the change of input quantity reaches regulation requirement, in electric output circuit In make controlled volume that a kind of electrical equipment of predetermined Spline smoothing occur, automatically adjusted because it is played in circuit, safeguard protection, conversion Circuit etc. acts on, and turns into a kind of wide variety of electronic component of automation field.At present in intelligent grid, electric motor type after Electrical equipment is increasingly received.Electric motor type relay is a kind of under control signal, is switched on or switched off electricity using the rotation of motor Road, and control signal disappearance back contact remains to the control element of state before holding blackout.

Publication number 201820714U Chinese invention patent discloses a kind of motor-type high power relay, and scheme includes Have motor driver and the elastic force mechanical lock mechanism that is connected with motor driver and with elastic force mechanical lock mechanism phase Electrode even;The worm and gear dynamic retarding that the motor driver includes direct current generator and is connected with direct current generator passes Motivation structure;The elastic force mechanical lock mechanism is connected with reduction gearing mechanism and moving electrode, include power eccentric, locking bar, Push rod and Lock spring;The electrode includes moving electrode and stationary electrode.Above-mentioned this kind of relay, due to elastic force mechanical caging Mechanism parts are more, and spring one end is articulated on the putting into gear of power eccentric, and the other end, which tenses, to be articulated in locking bar and connect with push rod On the fulcrum connect, push rod connects moving electrode by hanging hole, and this assembling mode assembling is complicated, and operation difficulty is big, when assembling expends Between it is long, cause cost of labor height.

To solve the above problems, publication number 203456328U Chinese invention patent discloses a kind of electric motor type transmission relay Device.Scheme includes：The drive device includes direct current generator, the gear train being connected with the output end of direct current generator and promoted Card, the final-stage gear of the gear train is worm sector, and one end and the worm sector of the push card are hinged, the other end and dynamic electricity Extremely flexible pusher connects.

It is above-mentioned no matter any scheme, the holding between its moving electrode and stationary electrode all realized by movable contact spring, described dynamic Reed is a kind of copper sheet, and its its elasticity in long-term open/close motion can be deteriorated, and easily cause the guarantor between electrode and stationary electrode Holding property is deteriorated, and causes loose contact.In addition, when moving electrode disconnects with stationary electrode, all spring is moved using the swing of worm sector, pull-up Piece, moving electrode is set to be separated with stationary electrode, this structure easily causes the stuck of gear train.

The content of the invention

The technical problem to be solved in the present invention is to provide retention property is good between a kind of moving electrode and stationary electrode, it is stuck to be not easy Direct-push motor relay.

To solve the above problems, the technical side of the present invention includes relay, including housing, the driving dress in housing The contact electrode put and be connected with drive device, the contact electrode include moving electrode and stationary electrode, the drive device bag Include direct current generator, the gear train and pushing mechanism that are connected with the output end of direct current generator, it is characterised in that：Described promotion Mechanism includes rack impeller, and the rack impeller includes push rod, and the push rod upper table surface rear end sets the gear teeth, the gear teeth with Gear train final-stage gear engages, and push rod upper surface front end has framework, is provided with the framework before being flexibly connected with it Push pedal and rear push pedal, spring is set, and the preceding push pedal front end both sides set moving electrode, described between the preceding push pedal and rear push pedal Push rod is slidably connected with housing.

Described relay, it is characterised in that：The first chute that the push rod is set by lower surface on housing with setting Slide rail be slidably connected.

Described relay, it is characterised in that：The shell of second chute and housing is set above the framework of the push rod front end The slide rail for covering setting is slidably connected.

Described relay, it is characterised in that：The gear teeth both sides of the putting back-end set baffle plate, the baffle plate and pusher Plate both sides are corresponding.

Described relay, it is characterised in that：The gear train include coaxially connected first gear, second gear, with And the worm screw of direct current generator output end is arranged on, the first gear engages with worm gear, in the second gear and the push rod Gear teeth meshing.

The direct-push motor relay of the present invention, change traditional worm sector and be driven to direct-push driving, using directly pushing away After formula driving, motor rotates forward and pushes up rack impeller, moving electrode is contacted with stationary electrode, when the second gear of gear train Skidded during last lattice for turning to the push rod gear teeth, by the active force of spring, mechanism realizes hold mode.Similarly, motor reversal Rack impeller is pushed down on, moving electrode is separated with stationary electrode, when the second gear of gear train turns to the push rod gear teeth Skidded during the first lattice, also realized hold mode by the active force of spring, mechanism.As a result of spring as keeper, its bullet Property is much better than copper sheet, so as to improve its retention property, extends product service life.Directly driving, gear train are pushed away in addition, using Second gear and the push rod gear teeth between stress relative to the stress between conventional worm and worm sector evenly, so as to gram The problem of stuck is taken.Finally, moving electrode of the invention and electrostatic extremely two point contact, its stability are also better than traditional list Point contact.

Brief description of the drawings

The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.

Fig. 1 is the exploded view of the present invention；

Fig. 2 is inventive drive means, gear train and pushing mechanism graph of a relation；

Fig. 3 is the structural representation of the rack impeller of the present invention；

Fig. 4 is the shell structure schematic diagram of the present invention.

Embodiment

As Figure 1-4, direct-push motor relay of the invention, including housing 1, the driving dress in housing The contact electrode put and be connected with drive device, the contact electrode include moving electrode 2 and stationary electrode 3, the drive device The gear train 5 and pushing mechanism being connected including direct current generator 4, with the output end of direct current generator.Described pushing mechanism includes Rack impeller 6, the rack impeller 6 include push rod 601, and the upper table surface rear end of push rod 601 sets the gear teeth 602, the wheel Tooth 602 engages with the final-stage gear of gear train 5, and the upper surface front end of push rod 601 has framework 603, is installed in the framework 603 Have and be flexibly connected preceding push pedal 604 and rear push pedal 605 with it, spring 606, institute are set between the preceding push pedal 604 and rear push pedal 605 The front end both sides of push pedal 604 set moving electrode 2 before stating, and the push rod 601 is slidably connected with housing 1.Specifically, the push rod 1 is logical The first chute 7 for crossing lower surface setting is slidably connected with the slide rail 8 set on housing 1.

The gear train 5 includes coaxially connected first gear 501, second gear 502 and is arranged on direct current generator 4 The worm screw 503 of output end, the first gear 501 engage with worm gear 503, in the second gear 502 and the push rod 601 The gear teeth 602 engage.

Further optimize such scheme, the top of framework 603 of the front end of push rod 1 sets the second chute 10 and housing 1 The slide rail set on cap is slidably connected.Push rod is made in the inner housing of rack impeller 6 using being slidably connected up and down with housing simultaneously It is more stable.

Further optimize such scheme, the both sides of the gear teeth 602 of the rear end of push rod 1 set baffle plate 9, the baffle plate 9 with The both sides of push pedal 605 are corresponding afterwards.Baffle plate 9 primarily serves spacing effect, although the second gear of gear train turns to the push rod gear teeth The first lattice can skid, rack impeller will not be moved rearwards always, but certain friction is also had between gear and push rod, if There is no baffle plate easily to cause stop position unstable.

The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and All any modification, equivalent and improvement made within principle etc., are all contained within protection scope of the present invention.

Claims

1. a kind of direct-push motor relay, including housing（1）, drive device and and drive device in housing Connected contact electrode, the contact electrode include moving electrode（2）And stationary electrode（3）, the drive device includes direct current generator （4）, the gear train that is connected with the output end of direct current generator（5）And pushing mechanism, described pushing mechanism promote including rack Part（6）, the rack impeller（6）Including push rod（601）, it is characterised in that：The push rod（601）Upper table surface rear end sets wheel Tooth（602）, the gear teeth（602）With gear train（5）Final-stage gear engages, the gear train（5）Including the first coaxially connected tooth Wheel（501）, second gear（502）And it is arranged on direct current generator（4）The worm screw of output end（503）, the first gear （501）With worm gear（503）Engagement, the second gear（502）With the push rod（601）On the gear teeth（602）Engagement, it is described to push away Bar（601）With housing（1）It is slidably connected；

The direct current generator（4）Rotate forward the rack impeller（6）When pushing up, make moving electrode（2）With stationary electrode（3）Connect Touch, when the direct current generator（4）By the gear train（5）Second gear（502）Turn to the push rod（601）The gear teeth （602）Last lattice when skid, the direct current generator（4）Invert the rack impeller（6）When pushing down on, make electricity Pole（2）With stationary electrode（3）Separation, when the direct current generator（4）By the gear train（5）Second gear（502）Turn to institute State push rod（601）The gear teeth（602）The first lattice when skid；

The push rod（601）Upper surface front end has framework（603）, the framework（603）Inside it is provided with before being flexibly connected with it Push pedal（604）With rear push pedal（605）, the preceding push pedal（604）With rear push pedal（605）Between spring is set（606）, pushed away before described Plate（604）Front end both sides set moving electrode（2）.

2. direct-push motor relay according to claim 1, it is characterised in that：The push rod（1）Set by lower surface The first chute put（7）With housing（1）The slide rail of upper setting（8）It is slidably connected.

3. direct-push motor relay according to claim 2, it is characterised in that：The push rod（1）The framework of front end （603）Top sets the second chute（10）With housing（1）Cap on the slide rail that sets be slidably connected.

4. according to the direct-push motor relay described in claim 1 or 2 or 3, it is characterised in that：The push rod（1）Rear end The gear teeth（602）Both sides set baffle plate（9）, the baffle plate（9）With rear push pedal（605）Both sides are corresponding.