CN205282400U - Magnetic latching relay - Google Patents

Abstract

The utility model relates to a relay discloses a magnetic latching relay, including base, armature, pushing mechanism, move spring subassembly, quiet spring subassembly, move the spring subassembly including establishing movable contact spring on pushing mechanism, establish the movable contact on the movable contact spring, quiet spring subassembly includes and is equipped with the cavity in the middle of the pushing mechanism by the stationary contact, pushing mechanism is equipped with the centre gripping mouth, the movable contact spring clamp is established in the centre gripping mouth. The utility model discloses an integral type design through wear to establish the centre gripping mouth of arranging pushing mechanism at pushing mechanism and movable contact spring in with armature, has realized the simultaneous movement of armature, pushing mechanism, movable contact spring having improved holistic synchronism, equilibrium and stability greatly, has practiced thrift the consumptive material, the cost is reduced and install and remove the facility, and will move the spring subassembly through the isolation frame that sets up again and quiet spring subassembly comes with coil isolation, increase creepage distance, improve the work safety nature of relay greatly.

Description

Magnetic latching relay

Technical field

The utility model relates to a kind of rly., particularly relates to a kind of magnetic latching relay.

Background technology

In recent years, magnetic latching relay, as the one of electromagnetic relay, owing to its coil does not need long-term power supply, has the function automatically connecting and cutting off circuit, can effectively reduce the energy consumption of relay1 coil, obtain and develop rapidly.

Existing magnetic latching relay mainly comprises pedestal, magnetic path, armature, pushing mechanism, movable spring assembly, quiet spring assembly, magnetic circuit system, armature, pushing mechanism, movable spring assembly, quiet spring assembly are all supported on pedestal, movable spring assembly comprises movable contact spring and movable contact, quiet spring assembly comprises rest contact, coil electricity on magnetic path produces electromagnetism, movable contact spring is located on pushing mechanism, and pushing mechanism is located on armature. Basic functional principle is: armature occurs to come and go motion under electromagnetic action, thus drives pushing mechanism to come and go and move, and pushing mechanism drives movable contact spring generation to come and go motion again, it is achieved the working cycle disconnecting and closing of movable contact and rest contact.

Mainly there is following shortcoming in existing magnetic latching relay: one is the unitized construction of pushing mechanism and movable contact spring: first, movable contact spring is adopted to be fastened in pushing mechanism by card groove between pushing mechanism and movable contact spring, make pushing mechanism drive movable contact spring reciprocate in process, easily there is the action inefficacy that pushing mechanism slides away from card groove or comes off and make pushing mechanism drive movable contact spring synchronously to reciprocate, cause the working cycle of the connecting and disconnecting of movable contact and rest contact to be forced to interrupt, thus cause the rly. can not normal operation; Secondly, armature drives the action mode of pushing mechanism to be parallel-moving type but not swing type, and pushing mechanism is that head and the tail connect layout with the integral structure layout of movable contact spring, parallel-moving type is due to the weight of self, and the accurate degree and the power consumption that greatly reduce movable contact and rest contact connecting and disconnecting working cycle in long-time working process are bigger; Again, movable contact spring need to adopt the subassembly of two parts assemblings of moving plate and shell fragment, both cost had been added, turn increase occur between movable contact spring and pushing mechanism can not normally action cause rly. can not the possibility of normal operation, also greatly reduce the synchronism in pushing mechanism and movable contact spring working process, balance and stability. Two is lack the isolation mechanism by the inductance loop seclusion on movable contact and rest contact and magnetic path comes in rly.: owing to producing powerful electromagnetic action during coil electricity, what lack that isolation mechanism is easy to occur electromagnetic interference movable contact and rest contact is switched on or switched off state, greatly have impact on the normal operation of rly., even may cause the rly. can not normal operation. Three is that magnetic circuit system, armature, pushing mechanism, movable spring assembly, quiet spring assembly are located on pedestal or base, and overall structure lacks the design of integral structure mode so that rly. inner structure is not compact, stationarity is not high and mounting or dismounting are inconvenient.

Summary of the invention

The technical problem that the utility model solves is, overcome the defect of prior art, it is provided that when a kind of compact construction, work, there is higher synchronous ability, balanced capacity and stability and the magnetic latching relay of the electromagnetic interference movable contact that can effectively prevent coil from producing and rest contact.

In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:

Magnetic latching relay, the armature that comprise pedestal, is supported on pedestal, pushing mechanism, movable spring assembly, quiet spring assembly, the movable contact that movable spring assembly comprises the movable contact spring being located on pushing mechanism, is located on movable contact spring, quiet spring assembly comprises the rest contact contacting with movable contact or disengaging, be provided with in the middle of pushing mechanism for armature through and cavity for reciprocating about driving pushing mechanism when armature swings, pushing mechanism is at least provided with clamp port in one end, and movable contact spring is folded in clamp port.

Work relationship between armature, pushing mechanism, movable contact spring, movable contact, rest contact is: armature reciprocates about driving pushing mechanism while swinging, reciprocate about driving movable contact spring while reciprocating about pushing mechanism, reciprocate about driving movable contact while reciprocating about movable contact spring, the process reciprocated about making movable contact is formed the working cycle that movable contact contacts with rest contact or disengages, thus produces movable contact and rest contact and disconnect or from the working cycle being disconnected to connection from being switched to.

Armature is positioned in the middle of pushing mechanism through cavity, on the one hand, reciprocate reactive force in process about making armature swing drive pushing mechanism balanced simultaneously, substantially increase the synchronism in armature and pushing mechanism working process, balance and stability, also improve the mounting or dismounting facility degree between armature and pushing mechanism on the other hand.

The utility model adopt movable contact spring is folded on pushing mechanism arrange clamp port in, with prior art adopts movable contact spring is fastened on pushing mechanism arrange card groove structure compared with, clamp port can block movable contact spring completely on the one hand, make that there is between pushing mechanism and movable contact spring bigger forced contact area, avoid movable contact spring to occur to swing or alter or shake etc. is unfavorable for the situation that movable contact spring moves left and right, substantially increase the synchronism reciprocated about pushing mechanism drives movable contact spring, balance and stability, also convenient degree movable contact spring being arranged on pushing mechanism or disassembling from pushing mechanism is substantially increased on the other hand.

The movable contact spring being folded in clamp port is positioned at the side of pedestal, has both greatly facilitated the layout of pushing mechanism and movable contact spring, efficiently utilizes again space limited in rly., especially substantially reduces the length of pedestal and has saved consumptive material, reduces cost.

A clamp port is respectively established at pushing mechanism two ends, and the finished product of rly. can be adopt only one of them clamp port to settle a movable contact spring, it is also possible to adopt two clamp ports to settle each movable contact spring simultaneously.

As preferably, pushing mechanism comprises push card, cavity is located at the centre of push card, and push card two ends are fixed with a clamping part respectively, forms clamp port between clamping part and promotion faceplate face. Push card and two clamping parts are all connected as a single entity.

Two clamping parts that push card is fixedly connected with its two ends form the pushing mechanism being symmetrical set, when push card and armature, movable contact spring are interacted, reactive force is balanced, also further increases armature and balance when push card, push card and movable contact spring are synchronized with the movement and stability.

The interior sidewall surface of clamping part is set to arc line shaped, when movable contact spring follows push card with move, movable contact spring may touch the interior sidewall surface of clamping part, and the interior sidewall surface of arc line shaped is conducive to reducing or alleviating touching dynamics and frictional force so that push card synchronizing moving followed by movable contact spring more smooth and easyly.

As preferably, pushing mechanism also comprises the upper locating button being fixedly connected with push card and lower locating button, upper locating button is positioned at the surface of lower locating button, the part that armature passes cavity is fastened between upper locating button and lower locating button by fixing, thus armature and is positioned in push card through cavity by clamping. Upper locating button, lower locating button are all connected as a single entity with push card.

One pair of locating button, can carry out precise positioning by armature and push card, have stability height, function that balanced capacity is strong, and further increases armature and swing the synchronism, balance and the stability that drive simultaneously and reciprocate about push card.

As preferably, armature comprises the iron passing cavity, the part that iron passes cavity is provided with two the first card grooves, and two the first card grooves are located at top and the bottom of iron respectively, and upper locating button, lower locating button are fastened on one of them first card groove respectively.

The buckle-type locator means of locating button and the first card groove, further increases the accurate positioning degree between armature and push card, thus further increases armature and swing the synchronism, balance and the stability that drive simultaneously and reciprocate about push card.

As preferably, the briquetting that armature also comprises with iron one end is fixedly connected with, briquetting is arranged with chuck, and chuck is provided with arc convex portion, and arc convex portion has elastic deformation characteristics. Armature take briquetting as fulcrum, plane rocking along place, briquetting bottom surface, and iron swings about driving pushing mechanism simultaneously and reciprocates.

Iron and briquetting are connected as a single entity and form T-shaped armature. Arc convex portion and chuck are connected as a single entity.

As preferably, pedestal being fixed with support platform, briquetting is located at and supports on platform. Support platform and effectively prevent the generation swing of briquetting in the vertical direction or skew.

As preferably, pedestal being fixed with the yoke of pair of parallel setting, arc convex portion is withstood in yoke wall face, and armature two ends are all arranged between one pair of yoke, and armature and one is to being equipped with the first activity space between yoke.

The setting of one pair of yoke, had both enhanced the suction-combining force of solenoid, strengthens again the support degree to armature, also play position-limiting action and the swing of armature is limited in the first activity space.

As preferably, one to being also folded with the magnet being positioned at below armature between yoke, by liner, magnet is pressed from both sides jail between one pair of yoke. Yoke, magnet coordinate armature to further increase electromagnetic action effect and working efficiency.

When, in armature swing process, yoke wall face and arc convex portion interact, arc convex portion can produce certain elasticity distortion, strengthens the elastic deformation ability that chuck contacts with armature when being conducive to armature to swing.

One pair of yoke profile is U shape, and pushing mechanism is stuck in the U shape space of one pair of yoke.

As preferably, also comprise the magnetic path being supported on pedestal, armature through magnetic path and and magnetic path be provided with the 2nd activity space, both armature had been made can to obtain good electromagnetic action effect, make again armature be limited in the 2nd activity space to freely swing, control the swing amplitude of armature further;

Also being provided with through hole on pedestal, magnetic path is provided with passage, is equipped with pin by passage and through hole between magnetic path and pedestal, and pin is provided with recessed step, convex tooth, and passage is provided with projection, and projection is located in recessed step, and convex tooth is engaged on through hole hole wall.

Projection coordinates with recessed step, plays position-limiting action so that pin by unidirectional location and cooperatively interact more firm.

Convex tooth coordinates, with through hole, the snap-in force considerably increasing between pin and pedestal so that when pin loads pedestal, stability is higher, balanced capacity is stronger, thus substantially increases stationarity when rly. is installed and used.

Magnetic path comprises winding, is fixedly connected on the bracing frame of winding one end, and winding is wound with coil, and coil electricity produces electromagnetism, and armature produces left and right by electromagnetic action and swings.

Magnetic path also comprises the retaining plate being fixedly connected on the winding the other end, and bracing frame and the retaining plate at winding and winding two ends are all connected as a single entity.

Passage is located in bracing frame, and projection and bracing frame are connected as a single entity, and convex tooth and pin are connected as a single entity.

As preferably, also comprising the isolation frame being supported on pedestal, movable spring assembly and quiet spring assembly are all arranged at outside isolation frame; Isolation frame is provided with and holds space, and winding is embedded and is holding in space; Isolation frame bottom is provided with the convex tendon being positioned at above magnet, and convex tendon is fastened in the first activity space;

Convex tendon had both played the effect of stiffening web, has again spacing with location function, substantially increases integrally-built stationarity, also greatly strengthen integrally-built spacing with location function.

Winding is arranged in isolation circle, movable spring assembly and quiet spring assembly are all arranged at outside isolation circle, inductance loop seclusion on movable spring assembly, quiet spring assembly and winding is come by isolation frame, increases creepage distance, substantially increase the security of rly. work.

Convex tendon is connected as a single entity with isolation frame.

Isolation frame comprises two side plates being fixedly connected with base plate of base plate that bottom is fastened in the first activity space, and base plate and two side plates are crowded around to be formed and held space, and two side plates are fastened on pedestal and paste firm yoke, and convex tendon is located on base plate. The profile of side plate is L-shaped, and base plate and two side plates are all connected as a single entity.

Movable spring assembly also comprises the fixing dynamic spring lead-out tablet being located on pedestal, and movable contact spring is fixedly connected with dynamic spring lead-out tablet;

Quiet spring assembly comprises the fixing static contact spring piece being located on pedestal, rest contact is fixing to be located on static contact spring piece, movable contact and rest contact are just right, reciprocate about driving movable contact while reciprocating about movable contact spring, the process reciprocated about making movable contact is formed the working cycle that movable contact contacts with rest contact or disengages, thus produces movable contact and rest contact and disconnect or from the working cycle being disconnected to connection from being switched to.

As preferably, also comprising the fixing shell being located at outside pedestal, pedestal comprises base, fixing is respectively located at the postive stop baffle of base both sides, is fixedly connected on the U-frame at postive stop baffle two ends, supports platform and is located on base; Base, postive stop baffle, U-frame are all connected as a single entity between any two, and support platform and base are connected as a single entity.

U-frame is provided with the spacing space of U shape, and one end of yoke and one end of armature are all arranged in the spacing space of U shape; The U-frame arranged, both played support various components inside and shell mounting or dismounting act on easily, have the function that the armature of band electromagnetism, yoke, magnet are kept apart with movable spring assembly, quiet spring assembly again, further ensure armature, yoke, magnet electromagnetism do not disturb the non-stop run of movable spring assembly, quiet spring assembly.

Base is provided with the 2nd card groove, and isolation frame is fixing to be fastened in the 2nd card groove, shell shell face, jail, top above isolation frame.

Being provided with L-shaped location frame in shell, L-shaped location frame and shell are connected as a single entity, and match in the L-shaped grafting space that L-shaped location frame is formed with isolation frame.

The basic functional principle of magnetic latching relay of the present utility model is as follows:

When rly. does not work, movable contact is in rest contact and contacts or disconnection state, the coil electricity of rly. 30 seconds, coil generating electromagnetic, armature is by electromagnetic action, armature take briquetting as fulcrum, along the plane rocking at place, briquetting bottom surface, iron swings about driving pushing mechanism simultaneously and reciprocates, reciprocate about driving movable contact spring while reciprocating about pushing mechanism, reciprocate about driving movable contact while reciprocating about movable contact spring, the process reciprocated about making movable contact is formed the working cycle that movable contact contacts with rest contact or disengages, thus produce movable contact and rest contact and disconnect or from the working cycle being disconnected to connection from being switched to.

The utility model is owing to have employed above technical scheme, there is significant technique effect: adopt unitary design mode, by armature being located in pushing mechanism and movable contact spring is placed in the clamp port of pushing mechanism, achieve armature, pushing mechanism, being synchronized with the movement of movable contact spring, substantially increase overall synchronism, balance and stability, save consumptive material, reduce cost and mounting or dismounting facility, movable spring assembly and quiet spring assembly and inductance loop seclusion are come by isolation frame by arranging again, increase creepage distance, substantially increase the job security of rly..

Accompanying drawing explanation

Fig. 1 is the structural representation that enclosure implementations removed by the utility model magnetic latching relay.

Fig. 2 is the explosive view of Fig. 1.

Fig. 3 is the structural representation of push card in Fig. 2, armature, yoke, isolation mechanism, magnet, liner, movable spring assembly, quiet spring assembly assembling embodiment.

Fig. 4 is the structural representation of push card in Fig. 2, armature, movable contact spring assembling embodiment.

Fig. 5 is the decomposition structural representation of Fig. 4.

Fig. 6 is the utility model armature and the structural representation of chuck assembling embodiment.

Fig. 7 is the structural representation of the utility model chuck embodiment.

Fig. 8 is the utility model magnetic path and the structural representation of pin assembling embodiment.

Fig. 9 is the structural representation of the utility model magnetic path embodiment.

Figure 10 is the structural representation of the utility model pin embodiment.

Figure 11 is the structural representation of the utility model isolation frame embodiment.

Figure 12 is the structural representation in direction, Figure 11 back side.

Figure 13 is the structural representation of the utility model pedestal embodiment.

Figure 14 is the structural representation of the utility model enclosure implementations.

In accompanying drawing, the position title of each numeral label designate is as follows: 1 movable contact, 2 liners, 3 armature, 4 pedestals, 5 yokes, locating button on 6, 7 clamping parts, 8 push card, 9 retaining plates, 10 windings, 11 isolation frames, 12 pins, 13 bracing frames, 14 dynamic spring lead-out tablets, 15 movable contact springs, 16 rest contacts, 17 static contact spring pieces, 18 chucks, 19 the 2nd activity spaces, 20 magnet, 21 shells, 22 L-shaped location frames, 23 times locating buttons, 31 irons, 32 briquettings, 41 bases, 42 postive stop baffles, 43 U-frame, 44 support platforms, 45 through holes, 46 the 2nd card grooves, 50 first activity spaces, 70 clamp ports, 80 cavitys, 111 L-shaped grafting spaces, 112 accommodation spaces, 113 side plates, 114 base plates, 115 convex tendons, 121 recessed step, 122 convex teeth, 131 passages, 132 projections, 180 arc convex portions, 310 first card grooves, the 430 spacing spaces of U shape.

Embodiment

Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.

Embodiment 1

Magnetic latching relay, as represented in figures 1 through 14, the armature 3 that comprise pedestal 4, is supported on pedestal 4, pushing mechanism, movable spring assembly, quiet spring assembly, the movable contact 1 that movable spring assembly comprises the movable contact spring 15 being located on pushing mechanism, is located on movable contact spring 15, quiet spring assembly comprises the rest contact 16 contacting with movable contact 1 or disengaging, be provided with in the middle of pushing mechanism for armature 3 through and cavity 80 for reciprocating about driving pushing mechanism when armature 3 swings, pushing mechanism is at least provided with clamp port 70 in one end, and movable contact spring 15 is folded in clamp port 70.

Work relationship between armature 3, pushing mechanism, movable contact spring 15, movable contact 1, rest contact 16 is: armature 3 reciprocates about driving pushing mechanism while swinging, movable contact spring about 15 is driven to reciprocate while reciprocating about pushing mechanism, movable contact spring about 15 drives movable contact about 1 to reciprocate while reciprocating, make the process that movable contact about 1 reciprocates is formed the working cycle that movable contact 1 contacts with rest contact 16 or disengages, thus produce movable contact 1 and rest contact 16 and disconnect or from the working cycle being disconnected to connection from being switched to.

Armature 3 is positioned in the middle of pushing mechanism through cavity 80, on the one hand, armature 3 is swung and drives that to reciprocate reactive force in process about pushing mechanism balanced simultaneously, substantially increase armature 3 and the synchronism in pushing mechanism working process, balance and stability, also improve the mounting or dismounting facility degree between armature 3 and pushing mechanism on the other hand.

The utility model adopt movable contact spring 15 is folded on pushing mechanism arrange clamp port 70 in, specifically, clamp port 70 is set to the clamp port 70 of opening groove mode, with prior art adopts movable contact spring 15 is fastened on pushing mechanism arrange card groove structure compared with, clamp port 70 can block movable contact spring 15 completely on the one hand, make that there is between pushing mechanism and movable contact spring 15 bigger forced contact area, avoid movable contact spring 15 to occur to swing or alter or shake etc. is unfavorable for the situation that movable contact spring 15 moves left and right, substantially increase the synchronism that pushing mechanism drives movable contact spring about 15 to reciprocate, balance and stability, also convenient degree movable contact spring 15 being arranged on pushing mechanism or disassembling from pushing mechanism is substantially increased on the other hand.

Specifically, the existing movable contact spring 15 of replacement that arranges of a movable contact spring 15 is adopted to adopt the combination of moving plate and shell fragment to arrange, and the movable contact spring being folded in clamp port 70 is positioned at the side of pedestal 4, both pushing mechanism had been greatly facilitated and movable contact spring 15 is arranged, efficiently utilize again space limited in rly., especially substantially reduce the length of pedestal 4 and saved consumptive material, reduce cost.

A clamp port 70 is respectively established at pushing mechanism two ends, and the finished product of rly. can be adopt only one of them clamp port 70 to settle a movable contact spring 15, it is also possible to adopt two clamp ports 70 to settle each movable contact spring 15 simultaneously.

Pushing mechanism comprises push card 8, and cavity 80 is located at the centre of push card 8, and push card 8 two ends are fixed with a clamping part 7 respectively, forms clamp port 70 between clamping part 7 and push card 8 wall face. Push card 8 and two clamping parts 7 are all connected as a single entity.

Two clamping parts 7 that push card 8 is fixedly connected with its both sides form the pushing mechanism being symmetrical set, when push card 8 is interacted with armature 3, movable contact spring 15, reactive force is balanced, also further increases balance when armature 3 is synchronized with the movement with movable contact spring 15 and stability with push card 8, push card 8.

The interior sidewall surface of clamping part 7 is set to arc line shaped, when movable contact spring 15 follows push card 8 with move, movable contact spring 15 may touch the interior sidewall surface of clamping part 7, the interior sidewall surface of arc line shaped is conducive to reducing or alleviating touching dynamics and frictional force so that push card 8 synchronizing moving followed by movable contact spring 15 more smooth and easyly.

Pushing mechanism also comprises the upper locating button 6 being fixedly connected with push card 8 and lower locating button 23, and upper locating button 6 is positioned at the surface of lower locating button 23, and the part that armature 3 passes cavity 80 is fastened between upper locating button 6 and lower locating button 23 by fixing. Upper locating button 6 and lower locating button 23 are all connected as a single entity with push card 8.

One pair of locating button, can carry out precise positioning by armature 3 and push card 8, have stability height, function that balanced capacity is strong, and further increases armature 3 and swing the synchronism, balance and the stability that drive push card about 8 to reciprocate simultaneously.

Armature 3 comprises the iron 31 passing cavity 80, the part that iron 31 passes cavity 80 is provided with two the first card grooves 310, two the first card grooves 310 are located at top and the bottom of iron 31 respectively, and upper locating button 6, lower locating button 23 are fastened on one of them first card groove 310 respectively.

The buckle-type locator means of locating button and the first card groove 310, further increases the accurate positioning degree between armature 3 and push card 8, thus further increases armature 3 and swing the synchronism, balance and the stability that drive push card about 8 to reciprocate simultaneously.

The briquetting 32 that armature 3 also comprises with iron 31 one end is fixedly connected with, briquetting 32 is arranged with chuck 18, and chuck 18 is provided with arc convex portion 180, and arc convex portion 180 has elastic deformation characteristics.

Armature 3 is by fulcrum of briquetting 32, along the plane rocking at place, briquetting 32 bottom surface, and iron 31 swings about driving pushing mechanism simultaneously and reciprocates.

Iron 31 and briquetting 32 are connected as a single entity and form T-shaped armature 3. Arc convex portion 180 and chuck 18 are connected as a single entity.

Being fixed with on pedestal 4 and support platform 44, briquetting 32 is located at and supports on platform 44. Support platform 44 and effectively prevent the generation swing of briquetting 32 in the vertical direction or skew.

Being fixed with pair of parallel and just to the yoke 5 arranged on pedestal 4, arc convex portion 180 is withstood in yoke 5 wall face, and armature 3 two ends are all arranged between one pair of yoke 5, and armature 3 and one is to being equipped with the first activity space 50 between yoke 5.

The setting of one pair of yoke 5, had both enhanced the suction-combining force of solenoid, strengthens again the support degree to armature 3, also play position-limiting action and the swing of armature 3 is limited in the first activity space 50.

Also it is folded with the magnet 20 being positioned at below armature 3 between one pair of yoke 5, by liner 2, magnet 20 is pressed from both sides jail between one pair of yoke 5.

Yoke 5, magnet 20 coordinate armature 3 to further increase electromagnetic action effect and working efficiency.

When, in armature 3 swing process, yoke 5 wall face and arc convex portion 180 interact, arc convex portion 180 can produce certain elasticity distortion, strengthens the elastic deformation ability that chuck 18 contacts with armature 3 when being conducive to armature 3 to swing.

One pair of yoke 5 profile is U shape, and pushing mechanism is stuck in the U shape space of one pair of yoke 5.

Also comprise the magnetic path being supported on pedestal 4, armature 3 through magnetic path and and magnetic path be provided with the 2nd activity space 19, both armature 3 had been made can to obtain good electromagnetic action effect, make again armature 3 be limited in the 2nd activity space 19 to freely swing, control the swing amplitude of armature 3 further;

Pedestal 4 is also provided with through hole 45, magnetic path is provided with passage 131, it is equipped with pin 12 by passage 131 and through hole 45 between magnetic path and pedestal 4, pin 12 is provided with recessed step 121, convex tooth 122, passage 131 is provided with projection 132, projection 132 is located in recessed step 121, and convex tooth 122 is engaged on through hole 45 hole wall.

Projection 132 coordinates with recessed step 121, plays position-limiting action so that pin 12 by unidirectional location and cooperatively interact more firm.

Convex tooth 122 coordinates, with through hole 45, the snap-in force considerably increased between pin 12 and pedestal 4 so that when pin 12 loads pedestal 4, stability is higher, balanced capacity is stronger, thus substantially increases stationarity when rly. is installed and used.

Magnetic path comprises winding 10, is fixedly connected on the bracing frame 13 of winding 10 one end, and winding 10 is wound with coil, and coil electricity produces electromagnetism, and armature 3 produces left and right by electromagnetic action and swings.

Magnetic path also comprises the retaining plate 9 being fixedly connected on winding 10 the other end, and winding 10 is all connected as a single entity with bracing frame 13 and the retaining plate 9 at winding 10 two ends.

Passage 131 is located in bracing frame 13, and projection 132 and bracing frame 13 are connected as a single entity, and convex tooth 122 is connected as a single entity with pin 12.

Also comprising the isolation frame 11 being supported on pedestal 4, quiet spring assembly, movable spring assembly and quiet spring assembly are all arranged at outside isolation frame 11; Isolation frame 11 is provided with and holds space 112, and winding 10 is embedded and is holding in space 112; Being provided with, bottom isolation frame 11, the convex tendon 115 being positioned at above magnet 20, convex tendon 115 is fastened in the first activity space 50.

Convex tendon 115 had both played the effect of stiffening web, has again spacing with location function, substantially increases integrally-built stationarity, also greatly strengthen integrally-built spacing with location function.

Winding 10 is arranged in isolation frame 11 frame, movable spring assembly and quiet spring assembly are all arranged at outside isolation frame 11 frame, inductance loop seclusion on movable spring assembly, quiet spring assembly and winding 10 is come by isolation frame 11, increases creepage distance, substantially increase the job security of rly..

Convex tendon 115 is connected as a single entity with isolation frame 11.

Isolation frame 11 comprises two side plates 113 being fixedly connected with base plate 114 of base plate 114 that bottom is fastened in the first activity space, base plate 114 and two side plates 113 are crowded around to be formed and are held space 112, two side plates 113 are fastened on pedestal 4 and paste jail yoke 5, and convex tendon 115 is located on base plate 114. The profile of side plate 113 is L-shaped, and base plate 114 and two side plates 113 are all connected as a single entity.

Movable spring assembly also comprises the fixing dynamic spring lead-out tablet 14 being located on pedestal 4, and movable contact spring 15 is fixedly connected with dynamic spring lead-out tablet 14;

Quiet spring assembly comprises the fixing static contact spring piece 17 being located on pedestal 4, rest contact 16 is fixing to be located on static contact spring piece 17, movable contact 1 is just right with rest contact 16, movable contact spring about 15 drives movable contact about 1 to reciprocate while reciprocating, thus produces movable contact 1 and rest contact 16 and disconnect or from the working cycle being disconnected to connection from being switched to.

Also comprising the fixing shell 21 being located at outside pedestal 4, pedestal 4 comprises base 41, fixing is respectively located at the postive stop baffle 42 of base 41 both sides, is fixedly connected on the U-frame 43 at postive stop baffle 42 two ends, supports platform 44 and is located on base 41; Base 41, postive stop baffle 42, U-frame 43 are all connected as a single entity between any two, support platform 44 and are connected as a single entity with base 41.

U-frame 43 is provided with the spacing space 430 of U shape, and one end of yoke 5 and one end of armature 3 are all arranged in the spacing space 430 of U shape; The U-frame 43 arranged, both played and supported various components inside and shell 21 and install and remove and act on easily, have the function that the armature 3 of band electromagnetism, yoke 5, magnet 20 are kept apart with movable spring assembly, quiet spring assembly again, further ensure armature 3, yoke 5, magnet 20 electromagnetism do not disturb the non-stop run of movable spring assembly, quiet spring assembly.

Base 41 is provided with the 2nd card groove 46, and isolation frame 11 is fixing to be fastened in the 2nd card groove 46, and isolation frame 11 is shell 21 shell face, jail, top above.

Being provided with L-shaped location frame 22 in shell 21, L-shaped location frame 22 is connected as a single entity with shell 21, matches in the L-shaped grafting space 111 that L-shaped location frame 22 is formed with isolation frame 11.

The basic functional principle of magnetic latching relay of the present utility model is as follows:

When rly. does not work, movable contact 1 is in rest contact 16 and contacts or disconnection state, the coil electricity of rly. 30 seconds, coil generating electromagnetic, armature 3 is by electromagnetic action, armature 3 is taking briquetting 32 as fulcrum, along the plane rocking at place, briquetting 32 bottom surface, iron 31 swings about driving pushing mechanism simultaneously and reciprocates, movable contact spring about 15 is driven to reciprocate while reciprocating about pushing mechanism, movable contact spring about 15 drives movable contact about 1 to reciprocate while reciprocating, make the process that movable contact about 1 reciprocates is formed the working cycle that movable contact 1 contacts with rest contact 16 or disengages, thus produce movable contact 1 and rest contact 16 and disconnect or from the working cycle being disconnected to connection from being switched to.

In a word, the foregoing is only better embodiment of the present utility model, all impartial changes done according to the utility model claim, with modifying, all should belong to the covering scope of the utility model patent.

Claims (10)

1. magnetic latching relay, comprise pedestal (4), the armature (3) being supported on pedestal (4), pushing mechanism, movable spring assembly, quiet spring assembly, movable spring assembly comprises the movable contact spring (15) being located on pushing mechanism, the movable contact (1) being located on movable contact spring (15), quiet spring assembly comprises the rest contact (16) contacting with movable contact (1) or disengaging, it is characterized in that: be provided with in the middle of pushing mechanism for armature (3) through and cavity (80) for reciprocating about driving pushing mechanism when armature (3) swings, pushing mechanism is at least provided with clamp port (70) in one end, movable contact spring (15) is folded in clamp port (70).

2. magnetic latching relay according to claim 1, it is characterized in that: pushing mechanism comprises push card (8), cavity (80) is located at the centre of push card (8), push card (8) two ends are fixed with a clamping part (7) respectively, form clamp port (70) between clamping part (7) and push card (8) wall face.

3. magnetic latching relay according to claim 2, it is characterized in that: pushing mechanism also comprises the upper locating button (6) and lower locating button (23) that are fixedly connected with push card (8), upper locating button (6) is positioned at the surface of lower locating button (23), and the part that armature (3) passes cavity (80) is fastened between upper locating button (6) and lower locating button (23) by fixing.

4. magnetic latching relay according to claim 3, it is characterized in that: armature (3) comprises the iron (31) passing cavity (80), the part that iron (31) passes cavity (80) is provided with two the first card grooves (310), two the first card grooves (310) are located at top and the bottom of iron (31) respectively, and upper locating button (6), lower locating button (23) are fastened on one of them first card groove (310) respectively.

5. magnetic latching relay according to claim 4, it is characterized in that: armature (3) also comprises the briquetting (32) being fixedly connected with iron (31) one end, being arranged with chuck (18) on briquetting (32), chuck (18) is provided with arc convex portion (180).

6. magnetic latching relay according to claim 5, it is characterised in that: being fixed with on pedestal (4) and support platform (44), briquetting (32) is located at and supports on platform (44).

7. magnetic latching relay according to claim 6, it is characterized in that: the yoke (5) being fixed with pair of parallel setting on pedestal (4), arc convex portion (180) is withstood in yoke (5) wall face, armature (3) two ends are all arranged between one pair of yoke (5), and armature (3) and one is to being equipped with the first activity space (50) between yoke (5).

8. magnetic latching relay according to claim 7, it is characterized in that: one to being also folded with the magnet (20) being positioned at below armature (3) between yoke (5), by liner (2), magnet (20) is pressed from both sides jail between one pair of yoke (5).

9. magnetic latching relay according to claim 1 or 8, it is characterized in that: also comprise the magnetic path being supported on pedestal (4), armature (3) through magnetic path and and magnetic path be provided with the 2nd activity space (19).

10. magnetic latching relay according to claim 9, it is characterized in that: pedestal (4) is also provided with through hole (45), magnetic path is provided with passage (131), it is equipped with pin (12) by passage (131) and through hole (45) between magnetic path and pedestal (4), pin (12) is provided with recessed step (121), convex tooth (122), passage (131) is provided with projection (132), projection (132) is located in recessed step (121), and convex tooth (122) is engaged on through hole (45) hole wall.