CN209912810U - Armature structure - Google Patents

Abstract

The utility model belongs to the technical field of hardware fittings, in particular to an armature structure, which comprises a first armature and a second armature which are arranged at intervals up and down; an elastic piece is arranged between the first armature and the second armature; a yoke iron binding surface, an iron core binding surface and at least two limiting tables are arranged on one side surface of the first armature far away from the second armature; the yoke iron binding surface and the iron core binding surface are arranged at intervals, and the two limiting tables are respectively arranged at two ends of the yoke iron binding surface so as to limit the first armature iron after the yoke iron binding surface is bound with the yoke iron; the first armature is acted by the elastic piece to enable the yoke iron binding surface and the iron core binding surface to be respectively bound with the yoke iron and the iron core, so that air gaps between contact surfaces of the armature and the iron core are greatly reduced, and hum is reduced; two spacing platform and yoke contact carry on spacingly to armature structure, improve armature structure's shock resistance.

Description

Armature structure

Technical Field

The utility model belongs to the technical field of hardware fitting, especially, relate to an armature structure.

Background

A small electromagnetic relay is an electronic control device, which has a control system and a controlled system, and is usually applied to an automatic control circuit, when a control loop inputs a corresponding electric signal, the electromagnetic system generates electromagnetic force to attract an armature to close the armature and an iron core, so as to drive a contact to be connected or disconnected, but in actual production, when the relay is assembled after the links of stamping, heat treatment, electroplating, transportation and the like are carried out on the armature of the relay, the armature is often not a flat plane in an ideal state, an air gap exists when the armature is attached to the iron core, and hum which is difficult to eliminate is generated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an armature structure aims at solving and has the air gap and lead to producing the technical problem of hum when laminating because of armature and iron core among the prior art.

In order to achieve the above object, an embodiment of the present invention provides an armature structure, which includes a first armature and a second armature, which are spaced from each other vertically; an elastic piece is arranged between the first armature and the second armature; a yoke iron binding surface, an iron core binding surface and at least two limiting tables are arranged on one side surface of the first armature far away from the second armature; yoke binding face with iron core binding face interval sets up, two spacing platform sets up respectively so that the both ends of yoke binding face are in carry out spacingly with yoke binding back to first armature.

Optionally, a stress reduction groove is formed in the first armature, and the stress reduction groove is formed in the middle of the first armature.

Optionally, a yoke iron attaching boss and an iron core attaching table are arranged on one side surface, away from the second armature, of the first armature; the yoke binding surface is arranged on the yoke binding boss, and the iron core binding surface is arranged on the iron core binding boss.

Optionally, the height of the limiting table is greater than the height of the yoke fitting boss.

Optionally, a yoke attaching groove and an iron core attaching groove are formed in one side surface, away from the second armature, of the first armature; the yoke binding surface is arranged on the bottom surface of the yoke binding groove, and the iron core binding surface is arranged on the bottom surface of the iron core binding groove.

Optionally, the armature structure further comprises a bolt and a nut; through holes are formed in the corresponding positions of the first armature and the second armature, the diameter of each through hole is larger than that of the screw rod of the bolt, and the screw rod of the bolt penetrates through the through holes and then is connected with the nut.

Optionally, the first armature and the second armature are both provided with counterbores, and axes of the counterbores and axes of the through holes are arranged in a superposition manner.

Optionally, the resilient member is a spring or a resilient washer.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the armature structure have one of following technological effect at least: when the armature structure is closed with the iron core, the first armature is acted by the elastic piece, so that the yoke iron binding surface and the iron core binding surface are respectively bound with the yoke iron and the iron core, air gaps between contact surfaces of the armature and the iron core are greatly reduced, and hum is reduced; simultaneously yoke binding face with when iron core binding face laminating, two spacing platform and yoke contact are right the armature structure carries on spacingly when the armature structure receives external impact force, the armature structure still contacts with yoke and iron core stability, prevents the armature structure horizontal hunting and makes the relay outage inefficacy, improves the shock resistance of armature structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a cross-sectional view of an armature structure according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of an armature structure according to an embodiment of the present invention.

Fig. 3 is a cross-sectional view of an armature structure according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-first armature 11-yoke iron binding face 12-iron core binding face

13-limiting table 14-stress reduction groove 15-yoke iron fitting boss

16 iron core attaching table 17 yoke attaching groove 18 iron core attaching groove

19-through hole 20-second armature 30-elastic element

40-bolt 41-nut 190-counter bore.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1 to 3, an armature structure is provided, wherein the armature structure comprises a first armature 10 and a second armature 20 which are arranged at an interval from top to bottom; an elastic member 30 is disposed between the first armature 10 and the second armature 20; a yoke iron binding surface 11, an iron core binding surface 12 and at least two limiting tables 13 are arranged on one side surface of the first armature 10 away from the second armature 20; yoke binding face 11 with iron core binding face 12 interval sets up, two spacing platform 13 sets up respectively the both ends of yoke binding face 11 are so that yoke binding face 11 is spacing with the yoke after laminating first armature 10 carries out.

In the present invention, the yoke bonding surface 11 and the iron core bonding surface 12 are high-density flat surfaces formed by extrusion through a stamping device; when the armature structure is closed with the iron core, the first armature 10 is acted by the elastic piece 30, so that the yoke iron binding surface 11 and the iron core binding surface 12 are respectively bound with the yoke iron and the iron core, air gaps between contact surfaces of the armature and the iron core are greatly reduced, and hum is reduced; when yoke binding face 11 and iron core binding face 12 laminating simultaneously, two spacing platforms 13 and yoke contact carry on spacingly to the armature structure, when the armature structure received external impact force, the armature structure still with yoke and iron core steady contact, prevent armature structure horizontal hunting and make the relay outage inefficacy, improve the shock resistance of armature structure.

In another embodiment of the present invention, as shown in fig. 1-2, a stress relief groove 14 is provided on the first armature 10 of the armature structure, and the stress relief groove 14 is provided in the middle of the first armature 10; the first armature 10 is operated for a long time, so that the temperature of the first armature 10 is increased, and the first armature 10 expands towards the stress reduction groove 14, so that the armature is prevented from expanding outwards, and the structural stability is improved.

In another embodiment of the present invention, as shown in fig. 1, a yoke attaching boss 15 and an iron core attaching table 16 are provided on a side of the first armature 10 from the second armature 20; the yoke binding surface 11 is arranged on the yoke binding boss 15, and the iron core binding surface 12 is arranged on the iron core binding boss; set up yoke iron laminating boss 15 and iron core laminating platform 16 and reduce other positions of first armature 10 and iron core contact and lead to iron core binding face 12 and iron core laminating incomplete, with the side that is higher than first armature 10 of iron core binding face 12 to improve the stability of iron core binding face 12 and iron core laminating.

In another embodiment of the present invention, as shown in fig. 1, the height of the limiting platform 13 of the armature structure is greater than the height of the yoke engaging boss 15; the lateral wall of two spacing platforms 13 all contacts with the lateral wall of yoke, and the both sides of yoke are located to two spacing platforms 13, receive external acting force when the armature structure, and the lateral wall of spacing platform 13 contacts with the lateral wall of yoke for first armature 10 stop motion carries on spacingly to first armature 10 through setting up spacing platform 13, improves structural stability.

In another embodiment of the present invention, as shown in fig. 2, a yoke attaching groove 17 and a core attaching groove 18 are provided on a side of the first armature 10 from the second armature 20; the yoke iron binding surface 11 is arranged on the bottom surface of the yoke iron binding groove 17, and the iron core binding surface 12 is arranged on the bottom surface of the iron core binding groove 18; the thickness of the first armature 10 is reduced by arranging the yoke iron attaching groove 17 and the iron core attaching groove 18, so that the overall volume of the armature structure is reduced, and the application range is wide.

In another embodiment of the present invention, as shown in fig. 1-2, the armature structure of the armature structure further includes a bolt 40 and a nut 41; through holes 19 are formed in corresponding positions of the first armature 10 and the second armature 20, the diameter of each through hole 19 is larger than that of the screw of the bolt 40, and the screw of the bolt 40 penetrates through the through hole 19 and then is connected with the nut 41; the arrangement of the screw rod limits the position between the first armature 10 and the second armature 20, so that damage to the elastic part 30 caused by the fact that the relative movement between the first armature 10 and the second armature 20 exceeds a set range is avoided, and the structural stability of the armature is improved.

In another embodiment of the present invention, as shown in fig. 1-2, the first armature 10 and the second armature 20 of the armature structure are both provided with a counter bore 190, and the axis of the counter bore 190 coincides with the axis of the through hole 19; the head of the bolt 40 is embedded in the part without excess part, and the appearance and the external structure are not influenced.

In another embodiment of the present invention, the elastic member 30 of the armature structure is a spring or an elastic gasket, which is easy to produce and simple and practical.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. An armature structure is characterized by comprising a first armature and a second armature which are arranged at intervals up and down; an elastic piece is arranged between the first armature and the second armature; a yoke iron binding surface, an iron core binding surface and at least two limiting tables are arranged on one side surface of the first armature far away from the second armature; yoke binding face with iron core binding face interval sets up, two spacing platform sets up respectively so that the both ends of yoke binding face are in carry out spacingly with yoke binding back to first armature.

2. The armature structure of claim 1, wherein a relief groove is provided on the first armature, the relief groove being provided in a middle portion of the first armature.

3. The armature structure of claim 1, wherein a yoke engaging boss and a core engaging boss are provided on a side of the first armature from the second armature; the yoke binding surface is arranged on the yoke binding boss, and the iron core binding surface is arranged on the iron core binding boss.

4. The armature structure of claim 3, wherein the height of the stop is greater than the height of the yoke abutment boss.

5. The armature structure of claim 1, wherein a yoke engaging recess and a core engaging recess are provided on a side of the first armature from the second armature; the yoke binding surface is arranged on the bottom surface of the yoke binding groove, and the iron core binding surface is arranged on the bottom surface of the iron core binding groove.

6. An armature construction according to any of claims 1 to 5, wherein the armature construction further comprises a bolt and a nut; through holes are formed in the corresponding positions of the first armature and the second armature, the diameter of each through hole is larger than that of the screw rod of the bolt, and the screw rod of the bolt penetrates through the through holes and then is connected with the nut.

7. The armature structure of claim 6, wherein the first armature and the second armature are each provided with a counterbore, the axis of the counterbore being coincident with the axis of the through hole.

8. An armature construction according to any one of claims 1 to 5, wherein the resilient member is a spring or a resilient washer.

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