CN206727020U - Magnetic latching relay - Google Patents

Abstract

It the utility model is related to Low Voltage Electrical Apparatus, more particularly to a kind of magnetic latching relay, it includes lid and relay base on relay, relay base bottom sets at least one set of contact assembly, contact assembly includes static contact and moving contact, moving contact includes leader, dynamic tactile bridge and movable contact, dynamic tactile bridge is provided with one end end set neck of movable contact, dynamic tactile bridge includes shell fragment, at least a piece of spring leaf and splitter, and one end end that shell fragment and splitter are provided with movable contact sets oppositely extending the second bending and the 3rd bending respectively；The static contact includes the still and stationary contact of U-shape structure, and one end that dynamic tactile bridge is provided with movable contact is arranged in the U-shape structure of still, movable contact is coordinated with stationary contact；The relay base side sets moving contact installing port and static contact installing port, and relay base bottom sets leader positioning bar and still positioning bar；Magnetic latching relay assembling of the present utility model is reliable, is easy to assembling and stable performance.

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 widely used in the industries such as ammeter, control device, can especially be realized in intelligent electric meter field Reduce power consumption, the function of Switching power.

Contact assembly in existing product is complicated, especially moving contact, and its shell fragment is riveted on the head of spring leaf, portion Divide and also use double acting contact structure, locally there is the structure for strengthening intensity, cost is high, and assembling is complicated；Meanwhile most of moving contact does not have The structure that restricted push card is swung, causes the cooperation of moving contact and push card unstable, influences the contact of magnetic latching relay Performance.

Furthermore in existing product, the fixed installation of static contact and moving contact is complicated, and some need dispensing to fix, one Then assembling is complicated, furthermore is unfavorable for environmental protection.

The content of the invention

The defects of the purpose of this utility model is to overcome prior art, there is provided one kind assembling is reliable, is easy to assembling and property The stable magnetic latching relay of energy.

A kind of magnetic latching relay, its relay base for including lid 1 on relay and being arranged on the lower section of lid 1 on relay Seat 2, the bottom of relay base 2 set at least one set of contact assembly 6, and contact assembly 6 includes static contact 61 and moving contact 62；It is described The dynamic movable contact for touching bridge 622 and being arranged on dynamic tactile one end of bridge 622 that moving contact 62 includes leader 621, is connected with leader 621 623, one end end set neck 6220 that tactile bridge 622 is provided with movable contact 623 is moved, dynamic tactile bridge 622 includes the shell fragment being sequentially connected 6221st, at least a piece of spring leaf 6222 and splitter 6223, shell fragment 6221 and splitter 6223 are provided with one end of movable contact 623 End sets oppositely extending the second bending 62212 and the 3rd bending 62231 respectively；The static contact 61 includes U-shape structure Still 611 and the stationary contact 612 for being arranged on the one end of still 611, one end that dynamic tactile bridge 622 is provided with movable contact 623 are arranged on quiet In the U-shape structure of piece 611, movable contact 623 is set to coordinate with stationary contact 612；The side of relay base 2 sets moving contact to install Mouth 261 and static contact installing port 262, the bottom of relay base 2 set the leader positioning bar coordinated with moving contact installing port 262 And the still positioning bar coordinated with static contact installing port 262.

Preferably, the shell fragment 6221, spring leaf 6222 and the middle part of splitter 6223 are respectively provided with the circular arc knot towards side Structure, the center of circle of each arc structure are conllinear.

Preferably, the shell fragment 6221, spring leaf 6222 and splitter 6223 are respectively provided with axially extending along dynamic tactile bridge 622 Slit 6225, slit 6225 extend from the lateral leader 621 of movable contact 623 1.

Preferably, the one end of the shell fragment 6221, spring leaf 6222 and splitter 6223 provided with movable contact 623 is respectively provided with dynamic Contact mounting hole 6226, the outside of movable contact mounting hole 6226 of shell fragment 6221 set arcuate socket 62210, and being provided with for shell fragment 6221 is moved One end of contact mounting hole 6226 sets the first bending 62211, and the first bending 62211 is located at the movable contact mounting hole of shell fragment 6221 6226 sides, the first bending 62211 are connected with the second bending 62212, and the first bending 62211 and the axis direction of shell fragment 6221 press from both sides Angle is 4-15 °.

Preferably, one end of the remote movable contact 623 of the shell fragment 6221, spring leaf 6222 and splitter 6223 leads to successively Connecting rod is crossed with leader 621 to be connected.

Preferably, the leader positioning bar includes the first leader positioning bar 268 and the second leader positioning bar be arrangeding in parallel 269, leader locating slot, leader locating slot and moving contact are formed between the first leader positioning bar 268 and the second leader positioning bar 269 Installing port 261 is communicated and is used cooperatively；The first still positioning bar 263 and second that the still positioning bar includes be arrangeding in parallel is quiet Piece positioning bar 264, still locating slot, still locating slot are formed between the first still positioning bar 263 and the second still positioning bar 264 Communicate and be used cooperatively with static contact installing port 261.

Preferably, in addition to the push card 5 that moving contact 62 is provided with above one end of movable contact 623 is arranged on, push card 5 is wrapped Transmission crossbeam 50 is included, be arranged on the transmission neck 52 at the middle part of transmission crossbeam 50 and is arranged on the transmission side contact neck of crossbeam 50 51, upper end and the neck 6220 of contact neck 51 coordinate, while the second bending 62213, the 3rd bending 62231 and contact neck 51 Coordinate, limit the moving along its thickness direction of push card 5.

Preferably, electromagnet 3 is set above one end of the close leader 621 of the contact assembly 6, and the side of electromagnet 3 is set The moving armature component 4 being used cooperatively with it is put, moving armature component 4 is connected with the driving of push card 5, and push card 5 is leaned on moving contact 62 One end driving of nearly movable contact 623 is connected, and sets fixed plate 7, moving armature component 4 on moving armature component 4 and relay between lid 1 Upper and lower part be rotatablely connected respectively with fixed plate 7 and relay base 2.

The dynamic tactile bridge of magnetic latching relay of the present utility model is provided with one end end set neck of movable contact, moves tactile bridge bag Include shell fragment and splitter, shell fragment and splitter set the second bending and the 3rd bending respectively close to one end of movable contact, neck with The contact neck of push card coordinates, and the second bending, the 3rd bending and the cooperation of contact neck, reliable and stable limitation push card to The displacement of its thickness direction, ensure the accuracy of moving contact action, make the performance of magnetic latching relay more stable；Static contact bag The still of U-shape structure is included, dynamic tactile bridge is arranged on inside the U-shape structure of still close to one end of movable contact, moving contact and static contact Between caused electrodynamic repulsion force compress movable contact and stationary contact, make the contact of the two more firm, ensure magnetic latching relay It is stable and reliable for performance；The relay base includes the moving contact installing port and static contact installing port for being arranged on its side, relay Device base bottom sets the leader positioning bar coordinated with moving contact installing port and the still coordinated with static contact installing port to position Muscle, make the easier for installation quick of moving contact and static contact, and assemble reliable and stable.In addition, being provided with for the shell fragment is dynamic One end of contact sets the first bending, the first bending and the contact neck cooperation of push card, realizes the overtravel of moving contact, makes The cooperation of contact and stationary contact is even closer, further improves the performance of magnetic latching relay.

Brief description of the drawings

Fig. 1 is the decomposition texture schematic diagram of the utility model magnetic latching relay；

Fig. 2 is the structural representation of the utility model relay base；

Fig. 3 is another structural representation of the utility model relay base；

Fig. 4 is the structural representation covered on the utility model relay；

Fig. 5 is the structural representation of the utility model push card；

Fig. 6 is another structural representation of the utility model push card；

Fig. 7 is the structural representation of the utility model fixed plate；

Fig. 8 is another structural representation of the utility model fixed plate；

Fig. 9 is the structural representation of the utility model moving armature component；

Figure 10 is the structural representation of the utility model electromagnet；

Figure 11 is the assembling structure schematic diagram of the utility model contact assembly and relay base；

Figure 12 is the decomposition texture schematic diagram of the utility model moving contact；

Figure 13 is the assembling structure schematic diagram of the utility model magnetic latching relay；

Figure 14 is another structural representation of the utility model moving armature component；

Figure 15 is the 3rd structural representation of the utility model push card.

Embodiment

The embodiment provided below in conjunction with accompanying drawing 1 to 13, 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 lid 1 on relay and is arranged on the lower section of lid 1 on relay Relay base 2；The bottom of relay base 2 sets at least one set of contact assembly 6, set above the one end of contact assembly 6 with It drives connected push card 5, and electromagnetic system is set above the other end of contact assembly 6, and electromagnetic system includes electromagnet 3 and set The moving armature component 4 coordinated in the side of electromagnet 3 with it is put, moving armature component 4 is connected with the driving of push card 5, moving armature component 4 And fixed plate 7 is set on relay between lid 1, the upper and lower part of moving armature component 4 respectively with fixed plate 7, relay base 2 Rotation connection.Existing compact magnetic latching relay, its contact assembly and electromagnetic system are located at the dividing plate two of relay base Side is simultaneously connected by push card, and it is installed, inconvenient debugging, and production efficiency is relatively low, production cost is high.Magnetic of the present utility model is protected Relay is held, electromagnetic system and push card are arranged on same layer, contact assembly is arranged on electromagnetic system and the lower floor of push card, this The magnetic latching relay of vertical stratification can be achieved without the direction for exchanging product in installation, debugging process, simplify behaviour Make, improve efficiency, be advantageous to save artificial and time cost.

It is one embodiment of magnetic latching relay of the present utility model as shown in Fig. 1 and 13.

Direction as shown in Figure 1, magnetic latching relay of the present utility model include lid 1 on relay and are arranged on relay Three groups of contact assemblies 6, the front end of contact assembly 6 top is arranged side by side in the relay base 2 of the upper lower section of lid 1, the bottom of relay base 2 Push card 5 is set, electromagnet 3 is set above the rear end of contact assembly 6, moving armature component 4 is set between electromagnet 3 and push card 5, Fixed plate 7 is set on moving armature component 4 and relay between lid 1.It is pointed out that magnetic latching relay of the present utility model In three groups of contact assemblies 6 are arranged side by side, certainly, according to being actually needed, and in the carrying of magnetic latching relay of the present utility model In the range of, the number of contact assembly 6 can also adjust, and be adjusted to one group or two groups.

As shown in Fig. 2-15, the contact assembly 6 includes static contact 61 and the moving contact being used cooperatively with static contact 61 62, static contact 61 is fixedly connected by still positioning bar group with relay base 2, moving contact 62 by leader positioning bar group with after Appliance base 2 is fixedly connected；The push card 5 includes transmission crossbeam 50, is arranged on the transmission neck 52 at the middle part of transmission crossbeam 50 And the contact neck 51 of transmission crossbeam 50 bottom is arranged on, the downside of transmission crossbeam 50 and the push card of relay base 2 support Muscle 251 is slidably connected, and upside and the push card positive stop lug boss 11 of lid on relay 1 are slidably connected, and transmission crossbeam 50, which is arranged on, to be pushed away Between the push card limit rib 252 of the dynamic both sides of card brace rod 251, push card brace rod 251, push card positive stop lug boss 11 and promotion Card limit rib 252 collectively forms the position limiting structure of push card 5, push card 5 is reliably reciprocated along its length, pushes away Dynamic card 5 collectively forms the transmission mechanism of magnetic latching relay of the present utility model with position limiting structure, is driven neck 52 and moving armature The structure 43 of stirring of component 4 is connected, contact neck 51 and the clamping of moving contact 62；The electromagnet 3 includes magnet coil 30, coil Skeleton 31, the first yoke 32 and the second yoke 33, the both ends of coil rack 31 are matched somebody with somebody with the coil positioning bar 23 of relay base 2 Close, the first yoke 32 and the top of the second yoke 33 coordinate with the yoke fixing hole 72 of fixed plate 7, the first yoke 32 and the second yoke The bottom of iron 33 is connected with relay base 2；The first rotating shaft 44 of the moving armature component 4 and the first axle of relay base 2 Hole 254 coordinates, and the second axis hole 45 of moving armature component 4 coordinates with the second rotating shaft 74 of fixed plate 7, the dynamic rank of moving armature component 4 The both ends of iron 42 coordinate with the first yoke 32 of electromagnet 3 and the second yoke 33 respectively, moving armature component 4 stir structure 43 with The driving of transmission neck 52 of push card 5 is connected；The slotting platform 73 of the fixed plate 7 positions with the first fixed plate of relay base 2 The fixed plate positioning hole interference fit of muscle 271.

Electromagnet 3, moving armature component 4 and the push card 5 of magnetic latching relay of the present utility model positioned at it is upper layer by layer, contact Component 6 is arranged on lower floor, push card 5 and the drive connection of contact assembly 6, forms the vertical stratification up and down of magnetic latching relay, and one Then be advantageous to further save space, reduce the volume of magnetic latching relay, furthermore, in the assembling and debugging of magnetic latching relay During, it can be completed without conversion products direction, improve production efficiency, the vertical stratification up and down of magnetic latching relay is also more Be advantageous to its Automated assembly, further, magnetic latching relay of the present utility model is simple in construction, and each part is in In multiple spacing relation, the stability and reliability of the utility model magnetic latching relay are improved.

Below with reference to accompanying drawing, each part of the utility model magnetic latching relay is described in detail.

As shown in FIG. 11 and 12, the contact assembly 6 includes static contact 61 and is used cooperatively with static contact 61 dynamic tactile First 62, static contact 61 includes the still 611 of U-shape structure and is arranged on the stationary contact 612 of the one end of still 611, and moving contact 62 wraps Include leader 621, the dynamic movable contact 623 for touching bridge 622 and being arranged on dynamic tactile one end of bridge 622 that one end is connected with leader 621, move and touch Select 623 and be arranged among the U-shape structure of still 611 and coordinate with stationary contact 612, caused electricity between moving contact 62 and static contact 61 Dynamic repulsion compresses movable contact 623 and stationary contact 612, makes the contact of the two more firm.

Preferably, as shown in figure 12, the dynamic tactile bridge 622 includes shell fragment 6221, spring 6222 and splitter 6223, shell fragment 6221st, spring leaf 6222 and splitter 6223 are connected with leader 621 successively, and attachment structure is prior art, such as welding, connection Bar connection etc., is not just described in detail one by one herein.Certainly, the dynamic tactile bridge 622 can also use, splitter 6223, spring leaf 6222 The structure being connected successively with leader 621 with shell fragment.It is pointed out that described be arranged between shell fragment 6221 and splitter 6223 Spring leaf 6222 can increase or decrease according to demand, to adjust the mechanical property of dynamic tactile bridge 622.

Preferably, as shown in figure 12, the shell fragment 6221, spring leaf 6222 and the upper end of splitter 6223 are respectively provided with movable contact Mounting hole 6226, the outside of movable contact mounting hole 6226 of shell fragment 6221 set arcuate socket, and the top of shell fragment 6221 is set to away from dynamic First bending 62211 of the direction bending of contact 623 and the second bending 62212 being connected with the obtuse angle of the first bending 62211, point The top of flow 6223 sets the 3rd bending 62231 with the opposite direction of the second bending 62212, the second bending 62212 and the 3rd bending 62231 cooperations prevent from deviating from the contact neck 51 that moving contact is opened from promotion.

Preferably, as shown in figure 11, first bending 62211 and the angle of vertical direction are 4-15 °.

Preferably, as shown in figure 12, the dynamic tactile upper end end set neck 6220 of bridge 622, neck 6220 includes vertical In the spacing plane of the dynamic tactile axis direction of bridge 622, spacing plane is located at the side of contact neck 51, the second bending 62212 and the 3rd Bending 62231 is located at the opposite side of contact neck 51, and displacement of the limitation push card 5 along its thickness direction, assembling is simple, and stabilization can Lean on.

It is pointed out that first bending 62211 and the contact neck 51 of push card 50 coordinate, moving contact 62 is realized Overtravel, make the cooperation of movable contact 623 and stationary contact 612 even closer.

Preferably, as shown in FIG. 11 and 12, the shell fragment 6221, spring leaf 6222 and the middle part of splitter 6223 are respectively provided with circle Arc structure, the arc structure of shell fragment 6221 are arranged in the arc structure of spring leaf 6222, while the circular arc knot of spring leaf 6222 Structure is arranged in the arc structure of splitter 6223, and the common straight line in the center of circle of each circular arc, the straight line is vertical with the axis of dynamic tactile bridge 62, Arc structure is easy to improve the mechanical property of dynamic tactile bridge 622, and adjusts the clearance between open contacts of dynamic/static contact.

Preferably, as shown in figure 12, the shell fragment 6221, spring leaf 6222 and splitter 6223 are respectively provided with along dynamic tactile bridge 622 axially extending slits 6225, slit 6225 is positioned at the midline position of dynamic tactile bridge 622, and slit 6225 is from the side of movable contact 623 Extend to leader 621, the part between movable contact 623 and leader 621 of dynamic tactile bridge 622 is bisected into two pieces, slit 6225 Coordinate with arc structure, for improving the mechanical property of dynamic tactile bridge 622 and adjusting the clearance between open contacts of dynamic/static contact.

Preferably, as shown in figure 12, the lower end of the shell fragment 6221, spring leaf 6222 and splitter 6223 is respectively provided with installation Hole, the upper end of leader 621 set mounting hole, and shell fragment 6221, spring leaf 6222 and splitter 6223 pass through connecting rod and the phase of leader 621 Even.Certainly, the connected mode of the shell fragment 6221, spring leaf 6222 and splitter 6223 and leader 621 can also be riveting, weldering Connect, be prior art, this is no longer going to repeat them.

As shown in figure 5, the push card 5 includes transmission crossbeam 50, is arranged on the transmission neck 52 at the middle part of transmission crossbeam 50 And three contact necks 51 of the downside of transmission crossbeam 50 are disposed side by side on, the upside of transmission crossbeam 50 pushes away with lid on relay 1 Dynamic card positive stop lug boss 11 is slidably connected, and downside and the push card brace rod 251 of relay base 2 are slidably connected, contact neck 51 With one end clamping provided with movable contact 623 of moving contact 62.

Preferably, as shown in figure 5, the transmission neck 52 is rectangle neck, its top and bottom protrusion is in transmission crossbeam 50 the upper side and lower side, the structure 43 of stirring of moving armature component 4 coordinate with transmission neck 52, make the uniform stressed of transmission crossbeam 50, The performance of push card 5 is improved, makes the movement of push card 5 along its length more smooth.

Preferably, as shown in figure 15, the rear and front end of the transmission frame of neck 52 protrudes in transmission crossbeam 50 respectively Front and rear sides, make moving armature component 4 stirs structure 43 with promoting the cooperation of neck 52 more reliable and more stable.

Preferably, as shown in figure 5, the lower ending opening of contact neck 51, it is easy to the dress of moving contact 62 and contact neck 51 Match somebody with somebody.

Preferably, as shown in fig. 6, the lower end of contact neck 51 sets contact block 511, during assembling, the moving contact In one end insertion contact neck 51 of 62 close movable contact 623, make the cooperation of contact neck 51 and moving contact 62 relatively reliable.

As shown in Figure 10, the electromagnet 3 includes magnet coil 30, coil rack 31, the first yoke 32 and with first The second connected yoke 33 of yoke 32.

As shown in Figure 10, the both ends of coil rack 31 set coil positive stop lug boss (not shown), coil limit convex The coil positioning bar 23 of platform and relay base 2 coordinates；First yoke 32 is U-shape structure, it include the first plate 321, with The second plate 322 and the 3rd plate 323 that is connected with the right angle of the second plate 322 of the right angle of first plate 321 connection, the 3rd plate 323 is from line The left end of ring framework 31 insert simultaneously is connected in the right-hand member of coil rack 31 with the 5th plate 332 of the second yoke 33, the first plate 321 oneself Extended towards by end and the free end of the 5th plate 332, and the two is parallel to the axis of coil rack 31；Second yoke 33 is L-type structure, it includes the 4th plate 331 and the 5th plate 332 being connected with the right angle of the 4th plate 331；The of first yoke 32 It is convex that the top of the 4th plate 331 of one plate 321 and the second yoke 33 is equipped with the yoke coordinated with the yoke fixing hole 72 of fixed plate 7 Platform.

Preferably, as shown in Figure 10, the yoke 33 of the first yoke 32 and second is integral structure.

Preferably, the middle part of the coil rack 31 sets BODY WITH SQUARE APERTURE, and the 3rd plate 323 of the first yoke 32 is and square opening The square cylinder of road matching.

Preferably, as shown in Figure 10, the left end of coil rack 31 sets the first square groove 311, and right-hand member sets the second square groove 312, the holding of the second plate 322 of the first yoke 32 is in the first square groove 311, and the holding of the 5th plate 332 of the second yoke 33 is second In square groove 312.This structure, further increase stability that the first yoke 32 and the second yoke 33 be connected with coil rack 31 and Reliability, the space-consuming of the first yoke 32 and the second yoke 33 is reduced, be advantageous to further reduce the holding of the utility model magnetic The volume of relay.

Existing electromagnet includes magnet coil, coil rack, the iron core being arranged in coil rack and is arranged on iron Two pieces of yokes at core both ends, the 3rd plate 323 of the first yoke 32 of the present utility model are inserted into as the iron core of magnet coil 30 In coil rack, compared with existing electromagnet, reduce the quantity of parts, be advantageous to improve packaging efficiency, simplify installation Operation.

As shown in figures 9 and 14, the moving armature component 4 includes permanent magnet, the moving armature housing being wrapped in outside permanent magnet 41 and the moving armature 42 at permanent magnet the two poles of the earth is separately positioned on, the downside of moving armature housing 41 sets first rotating shaft 44, first rotating shaft 44 coordinate with the first axis hole 254 of relay base 2, and the upside of moving armature housing 41 sets the second axis hole 45, the second axis hole 45 with Second rotating shaft 74 of fixed plate 7 coordinates, and the front side of moving armature housing 41 is set stirs knot with what the transmission neck 52 of push card 5 coordinated Structure 43.

Preferably, as shown in figure 9, the structure 43 of stirring includes flip stand 431, the one end of flip stand 431 and dynamic rank Iron-clad body 41 is connected, and the other end is connected with stirring post 432, and the upper and lower ends for stirring post 432 are protruded in flip stand 431 respectively Upper and lower side, and the length for stirring post 432 matches with being driven the length of neck 52, stirs the holding of post 432 in neck 52 is driven.

Preferably, as shown in figure 9, the upper side of the flip stand 431 and downside are respectively provided with reinforcing plate 433, upside Two adjacent sides of reinforcing plate 433 be connected respectively with flip stand 431 and moving armature housing 41, the reinforcing plate 433 of downside Two adjacent sides respectively with flip stand 431 and stirring post 432 and being connected.The reinforcing plate 433 makes flip stand 431 with moving Armature housing 41, stir post 432 and flip stand 431 connection more stablize it is durable.

Preferably, as shown in figure 14, the top of moving armature housing 41 sets the second round platform 451, and the second axis hole 45 is set On the second round platform 451 and it is coaxial therewith, the second round platform 451 and the second land 741 of fixed plate 7 coordinate, and further improve solid The reliability that fixed board 7 is connected with moving armature component 4, and extend the service life of fixed plate 7.

As shown in fig. 7, the fixed plate 7 includes plate body 71, the second rotating shaft 74 for being arranged on the middle part of plate body 71, is arranged on the The yoke fixing hole 72 of the both sides of two rotating shaft 74 and the slotting platform 73 for being arranged on the both ends of plate body 71, two yoke fixing holes 72 respectively with First plate 321 of the first yoke 32 and the 4th plate 331 of the second yoke 33 coordinate, the second rotating shaft 74 and the top of moving armature component 4 The second axis hole 45 coordinate, slotting platform 73 and the fixed plate positioning hole interference of the first fixed plate positioning bar 271 of relay base 2 are matched somebody with somebody Close.

The slotting platform 73 is interference fitted with fixed plate positioning hole, makes fixed plate 7 and the cooperation of relay base 2 more stable Reliably, avoid after moving armature component 4 acts for a long time, cause the matching loose of fixed plate 7 and relay base 2 and deviate just The situation of true position occurs, and ensures the reliable and stable work of magnetic latching relay of the present utility model；Furthermore with prior art Dispensing fixed form is compared, and slotting platform 73 of the present utility model uses purely mechanic cooperation with fixed plate positioning hole, also more environmentally friendly, And assembly manipulation is simplified, be advantageous to improve the efficiency of assembling of magnetic latching relay of the present utility model.

Preferably, as shown in figure 8, the fixed plate 7 also includes being arranged on the grab 75 of the side of slotting platform 73, grab 75 with after The fixed plate locating groove of second fixed plate positioning bar 272 of appliance base 2 coordinates.The slotting platform 73 and grab 75 are distinguished simultaneously The first fixed plate positioning bar 271, the second fixed plate positioning bar 272 with relay base 2 coordinate, and further increase fixed plate 7 reliability and stability being connected with relay base 2.

Preferably, the second rotating shaft 74 of the fixed plate 7 is cylinder, and the second axis hole 45 of moving armature component 4 is and The square hole of two rotating shafts 74 matching, when being advantageous to reduce the action of moving armature component 4, the contact surface of the second rotating shaft 74 and the second axis hole 45 Product, makes the action of moving armature component 4 more smooth.Certainly, second rotating shaft 74 is cylinder, and the second axis hole 45 can also be Other polygonal holes matched with the second axis hole 74, the second axis hole 45 can also be the circular holes matched with the second axis hole 74, still The fluency of the action of moving armature component 4 can be influenceed because the contact area of the two increases.

Preferably, as shown in figure 8, the slotting platform 73 of the fixed plate 7 is L-type boss, it includes the water being connected with plate body 71 Platform 731 and the vertical platform 732 being connected with horizontal stand 731, the right-hand member protrusion of horizontal stand 731 are erected on the right side of vertical platform 732 Straight platform 732 is interference fitted with fixed plate positioning hole, and horizontal stand 731 is connected with the free end end face of the first fixed plate positioning bar 271. The horizontal stand 731 coordinates with the first fixed plate positioning bar 271, avoids the bottom surface spacing mistake of fixed plate 7 and relay base 2 Small, fixed plate 7 is applied to the bottom excessive pressure of the second axis hole 45 of moving armature component 4, influences the free flowing exercise of moving armature component 4.

Preferably, as shown in figure 8, the outside of second rotating shaft 74 sets the second land 741, the internal diameter of the second land 741 Matched with the external diameter of the second round platform 46 of moving armature component 4.While the axis hole 45 of second rotating shaft 74 and second coordinates, second Land 741 cooperates with the second round platform 46, avoids the second rotating shaft 74 from being extended solid because situation about being fractureed after abrasion occurs The service life of fixed board 7.

As shown in Figures 2 and 3, it is one embodiment of relay base 2 of the present utility model.

Direction as shown in Figure 2, the front side of relay base 2 set three groups of contact installing ports, every group of contact installing port bag Include a static contact installing port 262 and a moving contact installing port 261, the bottom of relay base 2 set still positioning bar group and Leader positioning bar group, each group of still positioning bar group and a corresponding matching of static contact installing port 262, each group of leader positioning bar Group and a corresponding matching of moving contact installing port 261, the bottom of relay base 2 set gradually first group of still positioning from left to right Muscle group, first group of leader positioning bar group, second group of still positioning bar group, second group of leader positioning bar group, the 3rd group of still positioning Muscle group and the 3rd group of leader positioning bar group, the structure of each group still positioning bar group is identical, the structure phase of each group leader positioning bar group Together.

As shown best in figures 2 and 11, the still positioning bar group includes the first still positioning bar 263 and positioned with the first still The second still positioning bar 264 that muscle 263 be arranged in parallel, is formed between the first still positioning bar 263 and the second still positioning bar 264 Still locating slot, still locating slot are communicated and are used cooperatively with static contact installing port 262, for fixing the still of static contact 61 611, leader positioning bar group includes the first leader positioning bar 268 and what is be arranged in parallel with the first leader positioning bar 268 second draw Piece positioning bar 269, leader locating slot, leader locating slot are formed between the first leader positioning bar 268 and the second leader positioning bar 269 Communicate and be used cooperatively with moving contact installing port 261, for fixing the leader 621 of moving contact 62.

Preferably, as shown best in figures 2 and 11, the still positioning bar group also includes being arranged on table in the rear side of relay base 2 The first still limit rib 265 in face, the first still limit rib 265 is connected with the U-shaped structure floor of still 611, further right The still 611 of static contact 61 carries out spacing.

Preferably, as shown in figure 11, the still positioning bar group also includes being arranged on the right side of the first still positioning bar 263 3rd still limit rib 266 and the 4th still limit rib 267, the 3rd still limit rib 266 are provided with stationary contact with still 611 The lateral surface of 612 one end is connected, the 4th still limit rib 267 and the end phase of one end provided with stationary contact 612 of still 611 Even.

As shown in the above, the still positioning bar group all around limiting to the still 611 of static contact 61 Position, the accuracy of reliability that static contact installs in the bottom of relay base 2 and position is never ensure that, is made of the present utility model The debugging of magnetic latching relay is eased quick.

Direction as shown in Figure 2, the bottom rear of relay base 2, which sets to slide with the transmission crossbeam 50 of push card 5, to be connected The push card brace rod 251 connect, the middle part of push card brace rod 251, which is provided with, to be used for the first avoidance groove for avoiding contact assembly, uses Under the second avoidance groove for stirring structure 43 of avoidance moving armature component 4 and the transmission neck 52 for avoiding push card 5 The 3rd of end avoids groove, in order to the normal work of static contact 61, the installation of moving contact 62 and moving armature component 4.

Preferably, as shown in Fig. 2 the both sides of push card brace rod 251 are additionally provided with push card limit rib 252, will promote The holding of transmission crossbeam 50 of card 5 limits movement of the push card 5 to its thickness direction, avoids pushing away between push card limit rib 252 Dynamic card 5 is driven the situation generation that crossbeam 50 departs from push card brace rod 251 in action process.

Preferably, the upper end of push card limit rib 252 is higher by height >=push card of the upper side of push card brace rod 251 The half of the width of 5 transmission crossbeam 50, makes transmission crossbeam 50 preferably spacing between push card limit rib 252, further Improve the reliability of push card 5.Further, the push card limit rib 252 is cylindricality limit rib, substantially reduces push card limit The contact area of position muscle 252 and the transmission crossbeam 50 of push card 5, makes the action of push card 5 more smooth.

Preferably, the push card brace rod 251 is provided for the crossbeam neck of holding push card crossbeam 50 along its line.Such as Shown in Fig. 2, first group of still positioning bar group top of the relay base 2 and second group of still positioning bar group top are respectively set One the first fixed plate positioning bar 271, the top of the first fixed plate positioning bar 271 is set to be consolidated with what the slotting platform 73 of fixed plate 7 coordinated Fixed board positioning hole.

Preferably, direction as shown in Figure 3, the front side of the first fixed plate positioning bar 271 set the second fixed plate positioning bar 272, the top of the second fixed plate positioning bar 272 front side sets the fixed plate locating groove coordinated with the grab 75 of fixed plate 7, and it is fixed to make The cooperation of position plate 7 and relay base 2 is relatively reliable.

As shown in Fig. 2 first group of still positioning bar group top and the second group of leader positioning bar group of the relay base 2 Top respectively sets a coil positioning bar 23, and the top of coil positioning bar 23 is set to be coordinated with the coil positive stop lug boss of coil rack 31 Coil locating slot, yoke neck 230 is set between first fixed plate positioning bar 271 and the second fixed plate positioning bar 272, first The holding of the 4th plate 331 of the first plate 321 and the second yoke 33 of yoke 32 in yoke neck 230 and with moving armature component 4 Moving armature 42 coordinates, and the first axis hole 254, the first axis hole 254 and moving armature group are set between two the first fixed plate positioning bars 271 The first rotating shaft 44 of part 4 coordinates.

Preferably, as shown in Fig. 2 the bottom of the relay base 2 is additionally provided with a plurality of reinforcement, further reinforcing relay The structural stability and reliability of pedestal 2.

Preferably, as shown in figs. 1 and 4, the side side edge of lid 1 sets the transmission with push card 5 horizontal on the relay The push card positive stop lug boss 11 that beam 50 is slidably connected, the free end end and the upside of transmission crossbeam 50 of push card positive stop lug boss 11 It is connected, the push card brace rod 251 of push card positive stop lug boss 11 and relay base 2 coordinates limitation push card 5 to its width side To movement, avoiding push card 5, bounce departs from the situation of push card brace rod 251 and occurred upwards in the course of the work.

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 (8)

1. A kind of 1. magnetic latching relay, it is characterised in that：It includes covering (1) on relay and is arranged on lid (1) on relay The relay base (2) of lower section, relay base (2) bottom set at least one set of contact assembly (6), and contact assembly (6) includes Static contact (61) and moving contact (62)；The dynamic tactile bridge that the moving contact (62) includes leader (621), is connected with leader (621) (622) and the dynamic movable contact (623) for touching bridge (622) one end is arranged on, moves one end that tactile bridge (622) is provided with movable contact (623) End set neck (6220), shell fragment (6221) that dynamic tactile bridge (622) includes being sequentially connected, at least a piece of spring leaf (6222) with And one end end of splitter (6223), shell fragment (6221) and splitter (6223) provided with movable contact (623) is set reversely respectively The second bending (62212) and the 3rd bending (62231) of extension；The still (611) of the static contact (61) including U-shape structure with And the stationary contact (612) of still (611) one end is arranged on, one end that dynamic tactile bridge (622) is provided with movable contact (623) is arranged on still (611) in U-shape structure, movable contact (623) is made to coordinate with stationary contact (612)；Relay base (2) side sets dynamic touch Head installing port (261) and static contact installing port (262), relay base (2) bottom is set matches somebody with somebody with moving contact installing port (262) The leader positioning bar of conjunction and the still positioning bar coordinated with static contact installing port (262).
2. 2. magnetic latching relay according to claim 1, it is characterised in that：The shell fragment (6221), spring leaf (6222) The arc structure towards side is respectively provided with splitter (6223) middle part, the center of circle of each arc structure is conllinear.
3. 3. magnetic latching relay according to claim 1, it is characterised in that：The shell fragment (6221), spring leaf (6222) It is respectively provided with splitter (6223) along the axially extending slit (6225) of dynamic tactile bridge (622), slit (6225) is from movable contact (623) One lateral leader (621) extension.
4. 4. magnetic latching relay according to claim 1, it is characterised in that：The shell fragment (6221), spring leaf (6222) One end that movable contact (623) is provided with splitter (6223) is respectively provided with movable contact mounting hole (6226), and the dynamic of shell fragment (6221) touches Arcuate socket (62210), one end provided with movable contact mounting hole (6226) of shell fragment (6221) are set on the outside of point mounting hole (6226) First bending (62211) is set, the first bending (62211) is located at movable contact mounting hole (6226) side of shell fragment (6221), the One bending (62211) is connected with the second bending (62212), the first bending (62211) and the axis direction angle of shell fragment (6221) For 4-15 °.
5. 5. magnetic latching relay according to claim 1, it is characterised in that：The shell fragment (6221), spring leaf (6222) Connecting rod is passed sequentially through with one end of the remote movable contact (623) of splitter (6223) with leader (621) to be connected.
6. 6. magnetic latching relay according to claim 1, it is characterised in that：The leader positioning bar includes what is be arranged in parallel First leader positioning bar (268) and the second leader positioning bar (269), the first leader positioning bar (268) and the second leader positioning bar (269) leader locating slot is formed between, leader locating slot is communicated and is used cooperatively with moving contact installing port (261)；The still Positioning bar includes the first still positioning bar (263) and the second still positioning bar (264) be arrangeding in parallel, the first still positioning bar (263) still locating slot, still locating slot and static contact installing port (261) phase are formed between the second still positioning bar (264) Lead to and be used cooperatively.
7. 7. magnetic latching relay according to claim 1, it is characterised in that：Also include being arranged on moving contact (62) provided with dynamic Push card (5) above one end of contact (623), push card (5) include transmission crossbeam (50), are arranged in transmission crossbeam (50) The transmission neck (52) in portion and it is arranged on transmission crossbeam (50) side contact neck (51), the upper end of contact neck (51) and card Groove (6220) coordinates, while the second bending (62213), the 3rd bending (62231) coordinate with contact neck (51), limit push card (5) moving along its thickness direction.
8. 8. magnetic latching relay according to claim 1, it is characterised in that：The close leader of the contact assembly (6) (621) electromagnet (3) is set above one end, and electromagnet (3) side sets the moving armature component (4) being used cooperatively with it, moves Armature component (4) is connected with push card (5) driving, and push card (5) drives with moving contact (62) close to one end of movable contact (623) It is connected, setting fixed plate (7) between (1), the upper and lower part of moving armature component (4) is covered on moving armature component (4) and relay It is rotatablely connected respectively with fixed plate (7) and relay base (2).