CN205282394U - Magnetic latching relay's base - Google Patents

Abstract

The utility model relates to a magnetic latching relay discloses a magnetic latching relay's base, including the base, be equipped with magnetic circuit mechanism, armature on the base, magnetic circuit mechanism includes the winding, and armature passes the winding, and the fixed isolation frame that is equipped with is kept apart the frame and is equipped with accommodation space on the base, and the winding sets up in accommodation space. The utility model discloses a compact structure's integral type design is moved spring subassembly and quiet spring subassembly and coil isolation through the isolation frame that sets up with the line and is come, has increased creepage distance, has improved the work safety nature of relay greatly, pass through the joint that sets up, spacing, location isotructure again on the base, both improved the stability and the balancing capability of relay greatly, also improved limit function, the locate function of base greatly and installed and removed convenient degree.

Description

The pedestal of magnetic latching relay

Technical field

The utility model relates to a kind of magnetic latching relay, particularly relates to the pedestal of 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 and pedestal thereof: one is lack the isolation mechanism by the inductance loop seclusion on movable contact and rest contact and magnetic path comes on pedestal: 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. Two 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 overcomes the defect of prior art, it is provided that arranges isolation frame on a kind of compact construction, base with the pedestal of the electromagnetic interference movable contact that effectively prevents coil from producing and the magnetic latching relay of rest contact.

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

The pedestal of magnetic latching relay, comprises base, and base is provided with magnetic path, armature, and magnetic path comprises winding, and armature, through winding, base is fixed with isolation frame, and isolation frame is provided with and holds space, and winding is arranged at and holds in space.

Winding is arranged in the accommodation space of isolation frame so that the inductance loop seclusion on movable spring assembly, quiet spring assembly and winding is come by isolation frame, increases creepage distance, substantially increases the job security of rly..

As preferably, also comprising and fixing be respectively located at the postive stop baffle of base both sides, be fixedly connected on the U-frame at postive stop baffle two ends, U-frame is provided with the spacing space of U shape, and isolation frame is located on postive stop baffle, and one end of armature is arranged in the spacing space of U shape.

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.

As preferably, base is provided with the 2nd card groove), isolation frame is fixing to be fastened in the 2nd card groove.

As preferably, also comprising the fixing support platform being located on base, armature 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, magnetic path comprises bracing frame, base is also provided with through hole, bracing frame is provided with passage, is equipped with pin by passage and through hole between bracing frame and base, and pin is provided with recessed step, convex tooth, 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.

The utility model is owing to have employed above technical scheme, there is significant technique effect: the unitary design mode adopting compact construction, by the isolation frame arranged, line movable spring assembly and quiet spring assembly and inductance loop seclusion are come, increase creepage distance, substantially increase the job security of rly.; Again card by arranging on base connect, the structure such as spacing, location, both substantially increased stability and the balanced capacity of rly., and also substantially increased limit function, the location function of pedestal and install and remove facility degree.

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 the utility model push card, armature, yoke, isolation mechanism, magnet, liner, movable spring assembly, quiet spring assembly assembling embodiment.

Fig. 4 is the structural representation of the utility model push card, 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 stage clip assembling embodiment.

Fig. 7 is the structural representation of the utility model stage clip 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.

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 (5)

1. the pedestal of magnetic latching relay, comprise base (41), base (41) is provided with magnetic path, armature (3), magnetic path comprises winding (10), armature is through winding (10), it is characterized in that: be fixed with isolation frame (11) on base (41), isolation frame (11) is provided with holds space, and winding (10) is arranged at and holds in space (112).

2. the pedestal of magnetic latching relay according to claim 1, it is characterized in that: also comprise respectively fixing be located at base (41) both sides postive stop baffle (42), (42) two ends that are fixedly connected on postive stop baffle U-frame (43), U-frame (43) is provided with the spacing space of U shape (430), isolation frame (11) is located on postive stop baffle (42), and one end of armature (3) is arranged in the spacing space of U shape (430).

3. the pedestal of magnetic latching relay according to claim 1 and 2, it is characterised in that: 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).

4. the pedestal of magnetic latching relay according to claim 3, it is characterised in that: also comprising the fixing support platform (44) being located on base (41), armature (3) is located at and supports on platform (44).

5. the pedestal of magnetic latching relay according to claim 1, it is characterized in that: magnetic path comprises bracing frame (13), base (41) is also provided with through hole (45), bracing frame (13) is provided with passage (131), it is equipped with pin (12) by passage (131) and through hole (45) between bracing frame (13) and base (41), 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), convex tooth (122) is engaged on through hole (45) hole wall.