CN205282401U

CN205282401U - Magnetic latching relay

Info

Publication number: CN205282401U
Application number: CN201620024061.6U
Authority: CN
Inventors: 王铁伟; 王坚敏; 陈云
Original assignee: NINGBO TIANBO GANGLIAN ELECTRONICS CO Ltd
Current assignee: NINGBO TIANBO GANGLIAN ELECTRONICS CO Ltd
Priority date: 2016-01-12
Filing date: 2016-01-12
Publication date: 2016-06-01
Anticipated expiration: 2026-01-12

Abstract

The utility model discloses a magnetic latching relay, including base (1), quiet spring subassembly and move the spring subassembly, have the cavity magnetic circuit mechanism (2), armature (4), promote card (5) and movable contact spring (6), armature (4) middle part is located the cavity of magnetic circuit mechanism (2), and expose in magnetic circuit mechanism (2) outside at armature (4) both ends to the card is between two yokes, armature (4) one end is articulated with yoke (3) one end, and armature (4) other end promotes card (5) with wobbling on perpendicular to magnetic circuit mechanism axis just is on a parallel with base bottom surface direction and is connected. After adopting this kind of structure, inside armature was located magnetic circuit mechanism's cavity, magnetic circuit mechanism had the guard action to armature to armature is difficult for receiving the influence of other subassemblies when the motion, make the job stabilization nature reinforcing of relay, has effectively utilized this space of cavity moreover, has reduced the volume of relay greatly.

Description

Magnetic latching relay

Technical field

The utility model relates to rly. field, specifically be a kind of magnetic latching relay.

Background technology

Magnetic latching relay is a kind of new type of relay grown up in recent years, is also a kind of auto-switch. The same with other electromagnetic relays, circuit is played and automatically connects and cutting action. The structure of magnetic latching relay is made up of magnetic circuit system, contact system, pushing mechanism, quiet spring assembly, movable spring assembly and pedestal. The push card that wherein pushing mechanism comprises armature, is installed on armature. Armature moves under magneticaction, thus drives push card to move, and under the effect of push card, movable contact spring produces motion, it is achieved the disconnection of contact is with closed.

State Intellectual Property Office website discloses a kind of magnetic and protects rly., publication number is CN104037026A, it comprises casing of relay, enclosure interior is provided with quiet chip module, movable contact spring assembly, coil assembly, movable contact spring assembly comprises moving plate and shell fragment, one end of shell fragment is fixed on moving plate, and the other end is driven by push card, can move towards or away from described quiet chip module. Shortcoming existing for above-described magnetic latching relay is: armature is installed in parallel in magnetic path coil component external, and such armature is vulnerable to the impact of other assembly when moving, and the job stability of rly. is reduced, and adds the volume of rly..

Practical novel content

Technical problem to be solved in the utility model is, it is provided that a kind of stability is strong, the magnetic latching relay that volume is little.

For solving the problems of the technologies described above, magnetic latching relay of the present utility model, the quiet spring assembly comprise base, being inserted on base and movable spring assembly, the pushing mechanism being arranged on base and there is the magnetic path of cavity; The push card that this pushing mechanism comprises yoke, armature and is connected on armature; Push card is connected with the movable contact spring in movable spring assembly; Yoke quantity is two, and two yokes have gap; The cavity being positioned at magnetic path in the middle part of armature, armature two ends are exposed at magnetic path outside, and are stuck between two yokes; Armature one end and yoke one end are hinged, and the armature the other end is connected with in the push card being perpendicular to magnetic path axis and be parallel on base end face direction swing.

After adopting above structure, magnetic latching relay of the present utility model is compared with prior art, have the following advantages: due to armature is positioned in magnetic path cavity among, be equivalent to magnetic path and armature is had provide protection, reduce extraneous factor to the interference of armature motion, ensure the stability of armature motion, it is thus possible to ensure the stability of magnetic latching relay work; On the other hand, so also efficiently utilize this space of cavity, save space, reduce the volume of rly..

As improvement, the hinged part in described armature one end and yoke one end also comprises stage clip; The end of the armature of described hinged place is provided with briquetting; One end of stage clip is connected on armature, the other end both sides outer wall of stage clip is equipped with the lug boss of arc surfaced and is connected between briquetting and yoke, and lug boss pushes against with yoke respectively. Like this, under the effect of magnetic force, armature is taking the lug boss on stage clip as fulcrum, in the cavity of magnetic path, along being perpendicular to magnetic path axis and be parallel on base end face direction swing, thus drive push card to move, under the effect of push card, movable contact spring produces motion, it is achieved pushing mechanism transmits the function of displacement.

As further improvement, described armature and the coupling end of push card are provided with breach; Described push card is provided with the through hole corresponding with armature shape, and the push card at through hole aperture place is provided with one to symmetrically arranged locating button, and locating button two faces in opposite directions are tangent with cavity internal surface respectively; Described locating button is connected on the breach of armature. This cavity in push card is passed in one end that such armature is provided with breach, and contacts with locating button two faces in opposite directions, push card can be made to coordinate with armature more fixing. Push card after being fixedly connected with coordinates with the briquetting of the other end makes the armature can not along magnetic path axis shaft to activity, can only along being perpendicular to magnetic path axis and be parallel on base end face direction swing, so that the movement path of push card is unique, ensure the stability of product further.

As further improving, described push card is provided with clamp port, and the sidewall of clamp port is arc transiting surface. Described movable contact spring is connected in clamp port. Such clamp port can block movable contact spring completely, makes push card relative fixing with the contact position of movable contact spring, and compressed position is determined and uniquely, ensured oppressive force constant magnitude, ensures stability when relay product works further; The sidewall of clamp port is arc transiting surface, provides one when assembling like this and imports mechanism, guides movable contact spring card to enter clamp port to assemble more convenient, and can not scratch push card.

Accompanying drawing explanation

Fig. 1 is the structural representation of magnetic latching relay of the present utility model.

Fig. 2 is the blast structural representation of magnetic latching relay of the present utility model.

Fig. 3 is magnetic latching relay pushing mechanism part-structure schematic diagram of the present utility model.

Fig. 4 hides pushing mechanism part-structure schematic diagram after magnetic path in the utility model.

Fig. 5 is the push card structural representation in the utility model magnetic latching relay.

Fig. 6 is the armature structure schematic diagram in the utility model magnetic latching relay.

Fig. 7 is the stage clip structural representation in the utility model magnetic latching relay.

Fig. 8 is the structural representation of the utility model magnetic latching relay when using two groups of movable spring assemblies.

Wherein: 1, base; 2, magnetic path; 21, cavity; 3, yoke; 31, gap; 4, armature; 41, briquetting; 42, breach; 5, push card; 51, through hole; 52, locating button; 53, clamp port; 54, arc transiting surface; 6, movable contact spring; 7, stage clip; 71, lug boss; 8, quiet spring assembly; 9, insulate block; 10, pin; 11, magnet steel; 12, cushion block.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.

Shown in FIGS 1 to accompanying drawing 7, magnetic latching relay of the present utility model, the quiet spring assembly 8 comprise base 1, being inserted on base 1 and movable spring assembly and four pins 10, the pushing mechanism being arranged on base 1 and there is the magnetic path 2 of cavity 21 and insulate fast 9, the magnet steel 11 that is clipped between yoke 3 and cushion block 12; The push card 5 that this pushing mechanism comprises yoke 3, armature 4 and is connected on armature 4; Push card 5 is connected with the movable contact spring 6 in movable spring assembly; Described yoke 3 quantity is two, and two yokes 3 have gap 31; The cavity 21 being positioned at magnetic path 2 in the middle part of described armature 4, armature 4 two ends are exposed at magnetic path 2 outside, and are stuck between two yokes 3; Described armature 4 one end and yoke 3 one end are hinged, and armature 4 the other end is connected with in the push card 5 being perpendicular to magnetic path axis and be parallel on base end face direction swing.

Wherein, the hinged part in described armature 4 one end and yoke 3 one end also comprises stage clip 7; The end of the armature 4 of described hinged place is provided with briquetting 41; One end of stage clip 7 is connected on armature 4, the other end both sides outer wall of stage clip 7 is equipped with the lug boss 71 of arc surfaced and is connected between briquetting 4 and yoke 3, and lug boss 71 pushes against with yoke 3 respectively.

Described armature 4 is provided with breach 42 with the coupling end of push card 5; Described push card 5 is provided with the through hole 51 corresponding with armature 4 shape, and the push card 5 at through hole 51 aperture place is provided with one to symmetrically arranged locating button 52; Locating button two faces in opposite directions are tangent with cavity internal surface respectively; Described locating button 52 is connected on the breach 42 of armature 4.

Described push card is provided with clamp port 53, and the sidewall of clamp port 53 is arc transiting surface 54. Described movable contact spring 6 is connected in clamp port 53.

In the present embodiment, movable contact spring quantity is one group, and it is connected in the clamp port of push card wherein one end, in working process, after magnetic path 2 is energized, produces magnetoresistive effect, and magnetic force is delivered on yoke 3. Under the effect of magnetic force, armature 4 is taking the lug boss 71 on stage clip 7 as fulcrum, in the cavity 21 of magnetic path 2, along being perpendicular to magnetic path 2 axis and be parallel on direction, base 1 bottom surface swing, thus drive push card 5 to move, under the effect of push card 5, movable contact spring 6 produces motion, realize the function that pushing mechanism transmits displacement, the movable contact of rly. and rest contact are closed.

As shown in Figure 8, the utility model can also be have two groups of movable contact springs to be connected to the clamp port at push card two ends respectively. In working process, after magnetic path 2 is energized, producing magnetoresistive effect, magnetic force is delivered on yoke 3. Under the effect of magnetic force, armature 4 is taking the lug boss 71 on stage clip 7 as fulcrum, in the cavity 21 of magnetic path 2, along being perpendicular to magnetic path 2 axis and be parallel on direction, base 1 bottom surface swing, thus drive push card 5 to move, under the effect of push card 5, two ends movable contact spring 6 synchronously produces motion, realize the function that pushing mechanism transmits displacement, two groups of contacts of rly. are closed simultaneously. Using has two groups of movable contact springs to block the structure connecing push card two ends clamp port respectively, it is possible to strengthen stability when magnetic latching relay uses further.

The utility model is not limited to above-described structure, in the ken that person of ordinary skill in the field possesses, it is also possible to make a variety of changes under the prerequisite not departing from the utility model objective.

Claims

1. a magnetic latching relay, the quiet spring assembly comprise base (1), being inserted into base on (1) and movable spring assembly, the pushing mechanism on (1) that is arranged on base and there is the magnetic path (2) of cavity (21); The push card (5) that this pushing mechanism comprises yoke (3), armature (4) and is connected on armature (4); Push card (5) is connected with the movable contact spring (6) in movable spring assembly; It is characterized in that: described yoke (3) quantity is two, two yokes (3) have gap (31); The middle part of described armature (4) is positioned at the cavity (21) of magnetic path (2), and armature (4) two ends are exposed at magnetic path (2) outside, and are stuck between two yokes (3); Described armature (4) one end and yoke (3) one end are hinged, and armature (4) the other end is connected with in the push card (5) being perpendicular to magnetic path (2) axis and be parallel on base (1) direction, bottom surface swing.

2. according to magnetic latching relay according to claim 1, it is characterised in that: the hinged part in described armature (4) one end and yoke (3) one end also comprises stage clip (7); The end of the armature (4) of described hinged place is provided with briquetting (41); One end of stage clip (7) is connected on armature (4), being equipped with lug boss (71) that convex surfaces is arc on the other end both sides outer wall of stage clip (7) and be connected between briquetting (41) and yoke (3), convex surfaces and the yoke (3) of lug boss (71) push against.

3. according to magnetic latching relay according to claim 2, it is characterised in that: described armature (4) is provided with breach (42) with the coupling end of push card; Described push card (5) is provided with through hole (51), and the push card (5) at through hole (51) aperture place is provided with one to symmetrically arranged locating button (52); Described locating button (52) is connected on the breach (42) of armature (4).

4. according to magnetic latching relay according to claim 1, it is characterised in that: described push card (5) is provided with clamp port (53), and the sidewall of clamp port (53) is arc transiting surface; Described movable contact spring (6) is connected in clamp port (53).