CN206877912U

CN206877912U - Magnetic latching relay

Info

Publication number: CN206877912U
Application number: CN201720228485.9U
Authority: CN
Inventors: 王联长; 蒲启成
Original assignee: Zhejiang Chint Electrics Co Ltd
Current assignee: Zhejiang Chint Electrics Co Ltd
Priority date: 2017-03-09
Filing date: 2017-03-09
Publication date: 2018-01-12
Anticipated expiration: 2027-03-09

Abstract

It the utility model is related to Low Voltage Electrical Apparatus, and in particular to a kind of magnetic latching relay, it includes housing, electromagnetic system and contact system；Electromagnetic system includes electromagnet and armature component, and contact system includes the static contact component being fixedly installed in housing and the moving contact component being used cooperatively with static contact component；The electromagnet both ends respectively set one piece of yoke, and armature component includes being arranged on the rotating shaft of its both sides；The magnetic latching relay also includes fixed plate, housing includes dividing plate, fixed plate is fixedly connected with dividing plate, yoke side is fixedly connected with the casing and opposite side is fixedly connected with fixed plate, the rotating shaft of armature component, one is connected and another and fixed plate are rotatablely connected with housing into rotation, and push card activity holding is fixedly connected with the casing in dividing plate one end, one end of moving contact component and the other end is connected by push card with armature component；Magnetic latching relay Stability Analysis of Structures of the present utility model, performance is reliable and debugging is simple.

Description

Magnetic latching relay

Technical field

It the utility model is related to Low Voltage Electrical Apparatus, and in particular to a kind of magnetic latching relay.

Background technology

Magnetic latching relay is a kind of new type of relay, and as other electromagnetic relays, turn on automatically is played to circuit And cutting action.The normally closed or normally open of magnetic latching relay is entirely to rely on the effect of permanent-magnet steel, and on off state turns Change, completed by the pulse electrical signal triggering of one fixed width.Magnetic latching relay has strict to the accessory size of inside It is required that under regular situation, each accessory size deviation of magnetic latching relay, which is both needed to adjust repeatedly by skilled debugging work, just to be made Relay reaches requirement.

The content of the invention

The defects of the purpose of this utility model is to overcome prior art, there is provided a kind of Stability Analysis of Structures, performance are reliable And the simple magnetic latching relay of debugging.

A kind of magnetic latching relay, including housing 1, the electromagnetic system that is arranged in housing 1 and be arranged in housing 1 with The contact system that electromagnetic system is used cooperatively；The electromagnetic system includes electromagnet 21 and is arranged on the side of electromagnet 21 and its The armature component 22 being used cooperatively, contact system include the static contact component 31 and and static contact being fixedly installed in housing 1 The moving contact component 32 that component 31 is used cooperatively；The electromagnet 21 includes two pieces of yokes 211 for being arranged on its both ends, armature group Part 22 includes being arranged on the rotating shaft 221 of its both sides；

Also include fixed plate 5, housing 1 includes the dividing plate 11 being arranged between contact system and electromagnetic system, fixed plate 5 with Dividing plate 11 is fixedly connected, and the side of yoke 211 of electromagnet 21 is fixedly connected with housing 1 and opposite side is fixedly connected with fixed plate 5, The rotating shaft 221 of armature component 22, one is rotatablely connected and another is rotatablely connected with fixed plate 5 with housing 1, the activity of push card 4 Holding is in the one end of dividing plate 11, and one end of moving contact component 32 is fixedly connected with housing 1 and the other end passes through push card 4 and armature Component 22 is connected.

Preferably, the free end both sides of yoke 211 of the electromagnet 21 are arranged with yoke boss 2111,5 liang of fixed plate End sets the first yoke neck 51 being used cooperatively with yoke boss 2111, is set and yoke boss 2111 on the bottom surface of housing 1 The second yoke neck 13 being used cooperatively.

Preferably, the middle part of fixed plate 5 sets the first axis hole 52 that the rotating shaft 221 with armature component 22 is used cooperatively, The second axis hole 14 for setting the rotating shaft 221 with armature component 22 to be used cooperatively on the bottom surface of housing 1.

Preferably, the fixed plate 5 sets fixed plate locating dowel 53 close to the side of dividing plate 11, and the side of dividing plate 11 is set Put the fixed plate locating slot 111 being used cooperatively with fixed plate locating dowel 53.

Preferably, the fixed plate 5 includes being arranged on its both ends and the first yoke of the cooperation of yoke boss 2111 of yoke 211 Iron neck 51, it is arranged on the first axis hole 52 coordinated in the middle part of fixed plate 5 with the rotating shaft 221 of armature component 22 and is arranged on fixation The fixed plate locating dowel 53 that the middle part side of plate 5 is fixedly connected with the dividing plate 11 of housing 1；The upper end of dividing plate 11 is provided for holding promotion The crossbeam neck 113 of the push card crossbeam 45 of card 4, the lower section of crossbeam neck 113 set the stationary contact 312 with static contact component 31 to match somebody with somebody The stationary contact groove of conjunction, the right side of dividing plate 11 form first boss corresponding with stationary contact groove；First yoke of the fixed plate 5 The outside of iron neck 51 sets reinforcement, and the upside of fixed plate locating dowel 53 sets reinforcement, reinforcement and fixed plate locating dowel 53 Intersection sets the first groove 54 coordinated with first boss.

Preferably, the push card 4 include activity holding the one end of dividing plate 11 push card crossbeam 45, be arranged on push card The armature component neck 41 and be arranged on the other end of push card crossbeam 45 and move tactile that the one end of crossbeam 45 coordinates with armature component 22 The moving contact component neck 42 that head assembly 32 coordinates, driving lower slider of the push card crossbeam 45 in armature component 22.

Preferably, the both sides of push card crossbeam 45 are arranged with bar shaped boss 44, and the one end of dividing plate 11, which is provided with, is used for holding The crossbeam neck 113 of push card crossbeam 45.

Preferably, the static contact component 31 includes the still 311 being fixedly installed in housing 1 and is arranged on still The coupled stationary contact 312 in 311 one end；

The medial surface of setting still location-plate 12 on the bottom surface of housing 1, still location-plate 12 and housing 1 is surrounded for fixed The still mounting groove of position still 311；The side of dividing plate 11 is provided for fixing the end of the close stationary contact 312 of still 311 Still end fixing groove 112.

Preferably, the moving contact component 32 includes reed, is arranged on the movable contact 323 of reed one end and another with reed One end is fixedly connected and the fixed lead-out tablet 324 being located on housing 1；The reed is pushing away close to one end holding of movable contact 323 In the moving contact component neck 42 of dynamic card 4, one end of the close movable contact 323 of reed sets push card neck, push card neck Coordinate with the bottom of the moving contact component neck 42 of push card 4.

Preferably, first dynamic rank of the armature component 22 including permanent magnet, two magnetic poles for being separately positioned on permanent magnet Iron 223, the second moving armature 224 for being arranged on permanent magnet north poles and the permanent magnet housing 225 being arranged on the outside of permanent magnet, first The both ends of the moving armature 224 of moving armature 223 and second protrude to be set in the outside of permanent magnet housing 225, the yoke 211 of electromagnet 21 Put between the adjacent end of the first moving armature 223 and the second moving armature 224, permanent magnet housing 225 is located at the first moving armature Push card is set to drive platform 222, push card driving platform 222 and the armature component neck of push card 4 at one incline of 223 sides 41 coordinate.

The dividing plate of the housing of magnetic latching relay of the present utility model carries out spacing, housing and fixed plate cooperation to fixed plate Spacing to armature component and electromagnet progress, housing carries out spacing, housing, armature component, dividing plate and promotion to static contact component Card cooperation is spacing to moving contact component progress, and the contact system and electromagnetic system for making the utility model magnetic latching relay are in In multiple spacing relation, the stability of the utility model magnetic latching relay mounting structure ensure that, and armature component and dynamic The accuracy of stationary contact spacing, stability, substantially reduce or without being debugged to the utility model magnetic latching relay.This Outside, the push card crossbeam both sides of the push card are arranged with bar shaped boss, make its slip more smooth；The still mounting groove Coordinate with still end fixing groove, make that the installation of static contact component is more stable, it is more accurate to position.

Brief description of the drawings

Fig. 1 is the overlooking the structure diagram of the utility model magnetic latching relay；

Fig. 2 is the dimensional structure diagram of the utility model magnetic latching relay；

Fig. 3 is the overlooking the structure diagram of the utility model housing；

Fig. 4 is the dimensional structure diagram of the utility model housing；

Fig. 5 is the structural representation of the utility model fixed plate；

Fig. 6 is the structural representation of the utility model electromagnet；

Fig. 7 is the structural representation of the utility model armature component；

Fig. 8 is the structural representation of the utility model push card；

Fig. 9 is the side structure schematic view of the utility model spring leaf；

Figure 10 is the dimensional structure diagram of the utility model spring leaf；

Figure 11 is the side structure schematic view of the utility model movable contact spring；

Figure 12 is the dimensional structure diagram of the utility model movable contact spring.

Embodiment

The embodiment provided below in conjunction with accompanying drawing 1 to 12, further illustrate the tool of magnetic latching relay of the present utility model Body embodiment.Magnetic latching relay of the present utility model is not limited to the following description.

Magnetic latching relay of the present utility model, it includes housing 1, the electromagnetic system being arranged in housing 1 and setting The contact system being used cooperatively in housing 1 with electromagnetic system；The electromagnetic system includes electromagnet 21 and is arranged on electromagnetism The armature component 22 that the side of iron 21 is used cooperatively with it, contact system include the static contact component 31 being fixedly installed in housing 1 And the moving contact component 32 being used cooperatively with static contact component 31；The electromagnet 21 includes be arranged on its both ends two pieces Yoke 211, armature component 22 include being arranged on the rotating shaft 221 of its both sides；

Also include fixed plate 5, housing 1 includes the dividing plate 11 being arranged between contact system and electromagnetic system, fixed plate 5 with Dividing plate 11 is fixedly connected, the rotating shaft 221 of armature component 22, and one is rotatablely connected and another and fixed plate 5 are fixed and connected with housing 1 Connect, the activity holding of push card 4 is in the one end of dividing plate 11, and one end of moving contact component 32 is fixedly connected with housing 1 and the other end passes through Push card 4 is connected with armature component 22.The utility model magnetic latching relay, the dividing plate 11 of the housing 1 are carried out to fixed plate 5 Spacing, housing 1 and fixed plate 5, which coordinate, carries out spacing, housing 1, armature component 22, dividing plate 11 to electromagnet 21 and armature component 22 Coordinate with push card 4 and moving contact component 32 is carried out spacing, housing 1 carries out spacing, dividing plate 11 and armature to static contact component 31 Component 22 carries out spacing to push card 4, each part of the utility model magnetic latching relay is in stable and accurately position Put, the installation of contact system and electromagnetic system is more reliable, ensure that the stabilization of armature component and sound contact spacing, reduce or Without manually being debugged to magnetic latching relay of the present utility model.

As illustrated in fig. 1 and 2, it is one embodiment of magnetic latching relay of the present utility model.

Direction as illustrated in fig. 1 and 2, magnetic latching relay of the present utility model include housing 1, are arranged on the middle part of housing 1 Dividing plate 11, the contact system for being arranged on the left side of dividing plate 11 and the electromagnetic system for being arranged on the right side of dividing plate 11, electromagnetic system pass through Push card 4 is connected and is used cooperatively with contact system.

Specifically, direction, the electromagnetic system include electromagnet 21 and are arranged on the left side of electromagnet 21 as illustrated in fig. 1 and 2 The armature component 22 that side is used cooperatively with it, the upper and lower ends of electromagnet 21 are respectively provided with the (not shown) of yoke 211, yoke 211 Free end front and rear sides be respectively provided with yoke boss 2111, the yoke boss 2111 of front side is fixedly connected with the both ends of fixed plate 5, The yoke boss 2111 of rear side is fixedly connected with the bottom surface of housing 1, and the front and rear sides of armature component 22 are respectively provided with rotating shaft 221, front side The middle part of rotating shaft 221 and fixed plate 5 be rotatablely connected, the rotating shaft 221 of rear side is rotatablely connected with the bottom surface of housing 2；The contact system System includes being fixedly installed on the left side of housing 1 into the static contact component 31 of inverted U-shaped structure and is arranged on the U of static contact component 31 The moving contact component 32 being used cooperatively in the middle part of type structure with it, the upper end of moving contact component 32 are connected with the left end of push card 4, The lower end of moving contact component 32 is fixedly installed on housing 1；The middle part activity holding of push card 4 is in the upper end of dividing plate 11, fixation The middle part of plate 5 left side is connected with dividing plate 11.

By the above, each part of magnetic latching relay of the present utility model is in multiple spacing relation In, therefore, make the installation of contact system and electromagnetic system more reliable, ensure that the steady of armature component 22 and sound contact spacing It is fixed, it can obviously reduce or without being manually modulated to magnetic latching relay of the present utility model.

Each part of the utility model magnetic latching relay is carried out in detail one by one below with reference to the drawings and specific embodiments Explanation.

As shown in Figures 3 and 4, the middle part of housing 1 sets dividing plate 11, and the upper end of dividing plate 11 is provided for holding push card 4 The crossbeam neck 113 of push card crossbeam 45, the lower section of crossbeam neck 113 set what is coordinated with the stationary contact 312 of static contact component 31 Stationary contact groove, the right side of dividing plate 11 form first boss corresponding with stationary contact groove, and the lower end of dividing plate 11 sets lead-out tablet to position Boss 114, lead-out tablet positioning boss 114 coordinate the lead-out tablet 324 of fixed moving contact component 32 with still location-plate 12；It is described every The left side of plate 11 is provided with still location-plate 12, still end fixing groove 112, still location-plate 12 and the side wall of housing 1 cooperatively form with The still mounting groove that still 311 matches, L-type still end positioning bar and the dividing plate 11 upwardly extended by the bottom surface of housing 1 are matched somebody with somebody Close and form still end fixing groove 112, still mounting groove and still end fixing groove 112, which coordinate, to be realized for static contact component 31 Stabilization and be accurately positioned；The right side of dividing plate 11 is provided with the fixed plate coordinated with the fixed plate locating dowel 53 of fixed plate 5 and determined Position groove 111, the second axis hole 14 being used cooperatively with the rotating shaft 221 of armature component 22 and it is arranged on the second axis hole about 14 both sides With the second yoke neck 13 of the clamping of yoke boss 2111 of yoke 211, the U-shaped fixation extended from below to up by the bottom surface of housing 1 Plate positioning bar is matched somebody with somebody with dividing plate 11 is combined into fixed plate locating slot 111.

Direction as shown in Figure 5, the fixed plate 5 include being disposed thereon lower both ends and the yoke boss 2111 of yoke 211 First yoke neck 51 of cooperation, it is arranged on the middle part of fixed plate 5 and the first axis hole 52 of the cooperation of rotating shaft 221 of armature component 22 And the fixed plate locating dowel 53 for setting the fixed plate locating slot 111 of the middle part of fixed plate 5 right side and dividing plate 11 to coordinate.

Preferably, as shown in figure 5, the outside of the first yoke neck 51 sets reinforcement, the upside of fixed plate locating dowel 53 Reinforcement is set, and reinforcement and the intersection of fixed plate locating dowel 53 set the first groove 54 coordinated with first boss.

Preferably, direction as shown in Figure 5, the left side setting second positioned at the first yoke neck 51 of the upper end of fixed plate 5 are recessed Groove 55.During work, as shown in figure 1, by the resistance of fixed plate 5 when second groove 55 can avoid the push card 4 from moving to the right Gear.

Direction as shown in Figure 8, the push card that the push card 4 includes the crossbeam neck 113 that activity is placed in dividing plate 11 are horizontal Beam 45, the moving contact component neck 42 for being arranged on the left end of push card crossbeam 45 and one end clamping of moving contact component 32 and it is arranged on The right-hand member of push card crossbeam 45 and the armature component neck 41 of the push card driving clamping of platform 222 of armature component 22, push card crossbeam 45 can slide freely under the driving of armature component 22 in crossbeam neck 113.

Preferably, as shown in figure 8, the armature component neck 41 and moving contact component neck 42 are U type necks, two The U-shape structure opening direction of person is opposite.

Preferably, as shown in figure 8, the both sides of push card crossbeam 45 are arranged with bar shaped boss 44, it is substantially reduced promotion The frictional force during slip of card crossbeam 45 with the medial surface of crossbeam neck 113 of dividing plate 11.Further, the bar shaped boss 44 is half Cylinder, make itself and the linear contact lay of crossbeam neck 113, further reduce frictional force, it is of course also possible to be cuboid or other shapes Shape.

Preferably, direction as shown in Figure 8, set between the top of moving contact component neck 42 and push card crossbeam 45 First push card reinforcement.

Direction as shown in Figure 6, the electromagnet 21 include magnet coil and are arranged on the yoke at magnet coil both ends 211, the opposed, inwardly directed bending in free end of two yokes 211, the free end both sides of yoke 211 are symmetrical arranged yoke boss 2111.

Direction as shown in Figure 7, the armature component 22 include permanent magnet, be separately positioned on permanent magnet two magnetic poles the One moving armature 223 and the second moving armature 234, and the permanent magnet housing 225 on the outside of permanent magnet is wrapped in, the first moving armature 223 Protruded respectively in the upper side and lower side of permanent magnet housing 225 with the both ends of the second moving armature 224, with the yoke 211 of electromagnet 21 from With end, the left side of permanent magnet housing 225 and right side are symmetrical arranged rotating shaft 221, and the forward upper of permanent magnet housing 225, which is set, to be promoted Card driving platform 222.

Preferably, the push card driving platform 222 and permanent magnet housing 225 are integral type structure, and it includes and permanent magnet The upper side of housing 225 first plate connected vertically, the second plate being connected with the first plate obtuse angle and it is connected with the second plate obtuse angle 3rd plate, the 3rd plate is parallel with the first plate, and reinforcement is set between the first plate and the 3rd plate, and push card is driven under the left end of platform 222 Portion is additionally provided with the avoidance groove for avoiding the second yoke neck 13.

Preferably, the rotating shaft 221 and permanent magnet housing 225 are integral type structure.It is of course also possible to it is split type knot Structure, when rotating shaft 221 is damaged, it is convenient for changing.

Preferably, the permanent magnet housing 225, push card driving platform 222 and rotating shaft 221 are plastic material.Certainly, on It can also be other hard materials that can not be magnetized to state three.

As shown in figure 1, the static contact component 31 includes the still 311 being fixedly installed in housing 1 and is arranged on quiet The coupled stationary contact 312 in the one end of piece 311.

As illustrated in fig. 1 and 2, the moving contact component 32 include reed, be arranged on reed one end lead-out tablet 324 and Be arranged on the movable contact 323 of the reed other end, reed include the movable contact spring 322 being joined directly together with lead-out tablet 324 and with dynamic spring The connected spring leaf 321 of piece 322.

Preferably, as shown in figure 1, company is concordantly fixed in the movable contact spring 322 and the lower end of spring leaf 321 with lead-out tablet 324 Connect, the upper end of the two is fixedly connected with movable contact 323, and the upper end of the two forms y-type structure, moving contact of the holding in push card 4 In component neck 42, be advantageous to the activity surplus for controlling moving contact component 32 to coordinate with moving contact component neck 42, make moving contact The action of component 32 is more accurate.

Preferably, as shown in Figures 9 and 10, the spring leaf 321 includes being arranged on its underpart and fixing with lead-out tablet 324 connecting The first connection end 3214 for connecing, the first movable contact fixing end 3211 for being arranged on the upper end of spring leaf 321 and with the first movable contact The the first intersecting elastic force end 3212 at an acute angle of fixing end 3211, between the first movable contact fixing end 3211 and the first elastic force end 3212 First deep-slotted chip breaker is set.As shown in FIG. 11 and 12, the movable contact spring 322 includes being arranged on its underpart and fixing with lead-out tablet 324 connecting The second connection end 3224 that connects, the second movable contact fixing end 3221 for being arranged on the upper end of movable contact spring 322 and with the second movable contact Second elastic force end 3222 of the sharp angle of fixing end 3221, sets between the second movable contact fixing end 3221 and the second elastic force end 3222 Put the second deep-slotted chip breaker.The spring leaf 321 and movable contact spring 322 are fixed with lead-out tablet 324 simultaneously, ensure that contact system division is moved Reliability when making, overtravel caused by after being closed at are not easy to make movable contact and stationary contact cause under instantaneous large-current impact Separate in short-term and produce hard arc, improve the stability and service life of contact system.

Preferably, as illustrated in figs. 10 and 12, the top of spring leaf 321 sets the first push card coordinated with push card 4 Neck, the top of movable contact spring 322 set the second push card neck coordinated with push card 4, and the first push card neck and second promote Card neck is used cooperatively, and is coordinated with the basal edge of moving contact component neck 42, is prevented push card 4 from deviateing normal position in action process Put.

Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded To belong to the scope of protection of the utility model.

Claims

1. a kind of magnetic latching relay, including housing (1), the electromagnetic system that is arranged in housing (1) and it is arranged on housing (1) The interior contact system being used cooperatively with electromagnetic system；The electromagnetic system includes electromagnet (21) and is arranged on electromagnet (21) The armature component (22) that side is used cooperatively with it, contact system include the static contact component being fixedly installed in housing (1) (31) moving contact component (32) and with static contact component (31) being used cooperatively；The electromagnet (21) include be arranged on its two Two pieces of yokes (211) at end, armature component (22) include being arranged on the rotating shaft (221) of its both sides；

It is characterized in that：Also include fixed plate (5), housing (1) includes the dividing plate being arranged between contact system and electromagnetic system (11), fixed plate (5) is fixedly connected with dividing plate (11), yoke (211) side of electromagnet (21) be fixedly connected with housing (1) and Opposite side is fixedly connected with fixed plate (5), the rotating shaft (221) of armature component (22), one with housing (1) be rotatablely connected and it is another It is individual to be rotatablely connected with fixed plate (5), push card (4) activity holding in dividing plate (11) one end, one end of moving contact component (32) with Housing (1) is fixedly connected and the other end is connected by push card (4) with armature component (22).

2. magnetic latching relay according to claim 1, it is characterised in that：The yoke (211) of the electromagnet (21) is certainly By holding both sides to be arranged with yoke boss (2111), fixed plate (5) both ends set the be used cooperatively with yoke boss (2111) One yoke neck (51), the second yoke neck (13) being used cooperatively with yoke boss (2111) is set on the bottom surface of housing (1).

3. magnetic latching relay according to claim 1, it is characterised in that：Setting and armature in the middle part of the fixed plate (5) The first axis hole (52) that the rotating shaft (221) of component (22) is used cooperatively, set on the bottom surface of housing (1) and armature component (22) The second axis hole (14) that rotating shaft (221) is used cooperatively.

4. magnetic latching relay according to claim 1, it is characterised in that：The fixed plate (5) is close to dividing plate (11) Side sets fixed plate locating dowel (53), and the side of dividing plate (11) sets the fixed plate being used cooperatively with fixed plate locating dowel (53) Locating slot (111).

5. magnetic latching relay according to claim 1, it is characterised in that：The fixed plate (5) include be arranged on its two First yoke neck (51) of the yoke boss (2111) of end and yoke (211) cooperation, it is arranged on fixed plate (5) middle part and armature The first axis hole (52) that the rotating shaft (221) of component (22) coordinates and be arranged in the middle part of fixed plate (5) side and housing (1) every The fixed plate locating dowel (53) that plate (11) is fixedly connected；The push card that dividing plate (11) upper end is provided for holding push card (4) is horizontal The crossbeam neck (113) of beam (45), crossbeam neck (113) lower section is set to be coordinated with the stationary contact (312) of static contact component (31) Stationary contact groove, first boss corresponding with stationary contact groove is formed on the right side of dividing plate (11)；First yoke of the fixed plate (5) Reinforcement is set on the outside of iron neck (51), reinforcement, reinforcement and fixed plate locating dowel are set on the upside of fixed plate locating dowel (53) (53) intersection sets the first groove (54) coordinated with first boss.

6. magnetic latching relay according to claim 1, it is characterised in that：The push card (4) exists including activity holding The push card crossbeam (45) of dividing plate (11) one end, it is arranged on the armature that push card crossbeam (45) one end coordinates with armature component (22) Component neck (41) and it is arranged on the moving contact component card that push card crossbeam (45) other end and moving contact component (32) coordinate Groove (42), driving lower slider of the push card crossbeam (45) in armature component (22).

7. magnetic latching relay according to claim 6, it is characterised in that：Push card crossbeam (45) both sides are symmetrically set There is bar shaped boss (44), dividing plate (11) one end, which is provided with, is used for holding push card crossbeam (45) crossbeam neck (113).

8. with according to the magnetic latching relay described in claim 1, it is characterised in that：The static contact component (31) includes fixation and set Put the still (311) in housing (1) and be arranged on the coupled stationary contact (312) in still (311) one end；

Still location-plate (12) is set on housing (1) bottom surface, and the medial surface of still location-plate (12) and housing (1) surrounds use In the still mounting groove of positioning still (311)；Dividing plate (11) side is provided for fixing the close stationary contact of still (311) (312) the still end fixing groove (112) of end.

9. magnetic latching relay according to claim 1, it is characterised in that：The moving contact component (32) include reed, It is arranged on the movable contact (323) of reed one end and is fixedly connected with the reed other end and the fixed extraction being located on housing (1) Piece (324)；The reed close to movable contact (323) one end holding in the moving contact component neck (42) of push card (4), spring One end of the close movable contact (323) of piece sets push card neck, push card neck and the moving contact component neck of push card (4) (42) bottom coordinates.

10. the magnetic latching relay according to claim 1 or 3, it is characterised in that：The armature component (22) includes permanent magnetism Body, be separately positioned on permanent magnet two magnetic poles the first moving armature (223), be arranged on the second moving armature of permanent magnet north poles (224) and the permanent magnet housing (225) that is arranged on the outside of permanent magnet, the first moving armature (223) and the second moving armature (224) Both ends are protruded on the outside of the permanent magnet housing (225), the yoke (211) of electromagnet (21) be arranged on the first moving armature (223) and Between the adjacent end of second moving armature (224), one positioned at the first moving armature (223) side of permanent magnet housing (225) Push card is set to drive platform (222) at incline, push card driving platform (222) and the armature component neck (41) of push card (4) are matched somebody with somebody Close.