CN209912812U

CN209912812U - Movable contact spring and relay thereof

Info

Publication number: CN209912812U
Application number: CN201921084711.6U
Authority: CN
Inventors: 康与泽
Original assignee: Shenzhen Xinruikang Precision Hardware Co Ltd
Current assignee: Shenzhen Xinruikang Precision Hardware Co Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-01-07
Anticipated expiration: 2029-07-11

Abstract

The utility model belongs to the technical field of the relay, especially, relate to a movable reed and relay thereof, the movable reed includes vertical portion, horizontal part and bending part, the bending part is connected between horizontal part and vertical portion, the end of horizontal part is provided with the riveting piece, be provided with the first riveting hole that is used for riveting the contact on the riveting piece, be provided with a plurality of second riveting holes that are used for fixing vertical portion on the vertical portion; a plurality of pins are arranged at one end of the vertical part; still be provided with location portion between the one end of vertical portion and each pin, the both sides of location portion all are provided with the location of incurving and detain, and the end that each location was detained all is provided with the boss. Through being provided with the location on the movable reed and detaining, when the installation movable reed, can improve being connected between movable reed and the yoke to the movable reed is connected with the yoke through a plurality of second riveting holes, at the frequent in-process of working of movable reed, can avoid the position of movable reed to take place the displacement, improves the stability in use of relay.

Description

Movable contact spring and relay thereof

Technical Field

The utility model belongs to the technical field of the relay, especially, relate to a movable contact spring and relay thereof.

Background

A relay is an electric control device that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount meets a predetermined requirement.

The relay mainly comprises a coil, an armature, a yoke and a movable reed; the movable reed is a key part in a magnetic latching relay (hereinafter referred to as a relay), provides contact pressure for the relay, ensures reliable contact between contacts, and is a key element meeting the requirement of mechanical service life. At present, the movable spring structure is by L type structure, the upper end department of bending, and stress concentration phenomenon is very obvious, so in the long-time frequent action in-process of movable spring, the movable spring produces fatigue crack easily in the department of bending to current movable spring is only through riveting fixation on the yoke, frequently moves the in-process, appears the displacement easily, leads to the condition such as contact failure to appear.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a movable contact spring and relay thereof aims at solving the technical problem of the displacement condition appears easily among the prior art.

In order to achieve the above object, an embodiment of the present invention provides a movable reed, including a vertical portion, a horizontal portion and a bent portion, where the bent portion is connected between the horizontal portion and the vertical portion, a riveting block is disposed at a terminal of the horizontal portion, a first riveting hole for riveting a contact is disposed on the riveting block, and a plurality of second riveting holes for fixing the vertical portion are disposed on the vertical portion; a plurality of pins are arranged at one end of the vertical part; positioning parts are further arranged between one end of each vertical part and each pin, positioning buckles which are bent inwards are arranged on two sides of each positioning part, and bosses are arranged at the tail ends of the positioning buckles.

Optionally, the tail end of the positioning buckle and two sides of the boss are both provided with first notches for eliminating stress.

Optionally, each positioning portion is bent in a U-shaped structure.

Optionally, the number of the second riveting holes is three, and the second riveting holes are distributed in a triangular structure.

Optionally, the vertical portion, the bent portion and the horizontal portion are provided with elongated holes which are communicated with each other and used for avoiding stress concentration.

Optionally, the riveting block is made of two layers which are overlapped.

Optionally, the end of the horizontal portion and both sides of the riveting block are provided with second notches for first-out stress action.

Optionally, the number of the pins is two.

Optionally, each of the leads is made of two layers of laminate.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the movable reed have one of following technological effect at least:

during the installation, install the contact in first riveting hole, then, be connected vertical portion and yoke, at the in-process of installation, insert the yoke in the location is detained, the terminal of boss and the medial surface butt of yoke, thereby with yoke and vertical portion joint, and through the vertical portion of a plurality of second riveting hole fixed connection and yoke, each pin all stretches out outside the casing of relay, detain through being provided with the location on the movable reed, when installing the movable reed, can improve being connected between movable reed and the yoke, and the movable reed is connected with the yoke through a plurality of second riveting holes, at the in-process of the frequent work of movable reed, can avoid the position of movable reed to take place the displacement, improve the stability in use of relay.

The utility model also provides a relay, including foretell movable contact spring.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the relay have one of following technological effect at least: because the movable spring is adopted in the relay, in the use process, the movable spring does not displace in the position under the action of the positioning buckle in the frequent working process, and the use stability of the relay is ensured.

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 schematic structural view of a movable spring plate according to an embodiment of the present invention.

Fig. 2 is another structural schematic diagram of the movable spring plate provided in fig. 1.

Wherein, in the figures, the respective reference numerals:

10-vertical part 11-second riveting hole 20-horizontal part

21-second notch 30-bending part 40-riveting block

41-riveted part 42-first riveting hole 50-pin

60-positioning part 61-positioning buckle 62-boss

63-first notch 70-elongated hole.

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 an embodiment of the present invention, as shown in fig. 1 to 2, there is provided a movable spring plate, including a vertical portion 10, a horizontal portion 20 and a bent portion 30, wherein the bent portion 30 is connected between the horizontal portion 20 and the vertical portion 10, the horizontal portion 20 is vertically connected with the bent portion 30, the bent portion 30 is respectively connected with one end of the horizontal portion 20 and one end of the vertical portion 10, one of the adjacent 90 degrees of the horizontal portion 20 and the vertical portion 10 is an inner side of the movable spring plate, one of the adjacent 270 degrees is an outer side of the movable spring plate, a rivet block 40 is disposed at a terminal end of the horizontal portion 20, a center line of the rivet block 40 coincides with a center line of the horizontal portion 20, a rivet portion 41 bent toward the inner side of the movable spring plate is disposed at one end of the rivet block 40, a first rivet hole 42 for riveting a contact is disposed on the rivet block 40, the first riveting hole 42 is arranged at the center of the riveting part 41, so that a contact is always located at the center of the riveting block 40, the riveting block 40 is uniformly stressed during operation, the riveting block 40 is not easily damaged, and the vertical part 10 is provided with a second riveting hole 11 for fixing the vertical part 10; a plurality of pins 50 are arranged at one end of the vertical part 10; a positioning part 60 is further arranged between one end of the vertical part 10 and each pin 50, positioning buckles 61 which are bent inwards are arranged on both sides of the positioning part 60, and a boss 62 is arranged at the tail end of each positioning buckle 61. Specifically, during the installation, install the contact in first riveting hole 42, then, be connected vertical portion 10 and yoke, at the in-process of installation, insert the yoke in the location knot 61, the terminal of boss 62 and the medial surface butt of yoke, thereby with yoke and vertical portion 10 joint, and through the vertical portion 10 of a plurality of second riveting hole 11 fixed connection and yoke, each pin 50 all stretches out outside the casing of relay, through be provided with location knot 61 on the movable reed, when installing the movable reed, can improve being connected between movable reed and the yoke, and the movable reed is connected with the yoke through a plurality of second riveting holes 11, in the frequent in-process of working of movable reed, can avoid the position of movable reed to take place the displacement, improve the stability in use of relay.

Further, the horizontal portion 20, the vertical portion 10, the bent portion 30 and each pin 50 are all of an integral structure, specifically, when the movable spring is produced, the movable spring is formed by punching through a punching machine, and more closely, the movable spring is made of a barrel material, specifically, the barrel has good conductivity, good flexibility and low cost.

In another embodiment of the present invention, as shown in fig. 1-2, the end of the positioning buckle 61 and the two sides of the boss 62 are both provided with a first notch 63 for eliminating stress. Specifically, first breach 63 is "U" style of calligraphy structure, through boss 62 both sides and the terminal position of location knot 61 set up first breach 63, when punch press punching press movable reed shaping, can eliminate the damage that the stress of punching press caused boss 62, further, first breach 63 sets up to "U" type structure, reduces the degree of difficulty of processing.

In another embodiment of the present invention, as shown in fig. 1 to 2, each of the positioning portions 60 is bent in a U-shaped structure. Specifically, through the location portion 60 of "U" style of calligraphy structure, can make things convenient for the yoke to insert in location portion 60 to the lug through location portion 60 and the medial surface butt of yoke, and with the yoke location on vertical portion 10, at the course of the work, the movable reed can not follow the yoke and control and rock, can guarantee the operating condition of movable reed, improves the stability of relay.

In another embodiment of the present invention, as shown in fig. 1 to 2, three second riveting holes 11 are provided and distributed in a triangular structure. Specifically, set up three second riveting hole 11 and be the distribution of triangle-shaped structure, the triangle-shaped structure is a stable structure, consequently can further improve and be connected between movable contact spring and the yoke, improve the stability in use of relay.

In another embodiment of the present invention, as shown in fig. 1 to 2, the vertical portion 10, the bent portion 30 and the horizontal portion 20 are provided with elongated holes 70 which are communicated with each other and prevent stress concentration. Specifically, in the working process of the relay, the horizontal part 20 is constantly swung between the upper contact and the lower contact under the influence of magnetic force, and the stress between the horizontal part 20 and the bent part 30 can be reduced in the process that the long hole 70 is constantly swung at the horizontal part 20, so that fatigue cracks are prevented from being easily generated at the position of the bent part 30 by the movable spring, and the service life of the movable spring is prolonged.

In another embodiment of the present invention, as shown in fig. 1-2, the riveting block 40 is made of two layers. Specifically, the riveting block 40 is made of two layers of lamination, so that the connection is more stable when the contact is installed in the first riveting hole 42.

In another embodiment of the present invention, as shown in fig. 1 to 2, the end of the horizontal portion 20 and the two sides of the riveting block 40 are both provided with second notches 21 for relieving stress. Specifically, the second notch 21 is a U-shaped structure, so that when the movable spring sheet is stamped by the punch press, the stress caused by stamping can be eliminated to damage the riveting block 40, and further, the first notch 63 is set to be a U-shaped structure, so that the difficulty in processing is reduced.

In another embodiment of the present invention, as shown in fig. 1-2, the number of the pins 50 is two. Specifically, be provided with two pins 50, can be with the relay working process, the stability in use of relay is guaranteed to great current shunting to set up the effect that two pins 50 can satisfy the reposition of redundant personnel, guarantee the stability of relay with minimum handling capacity, reduce the processing degree of difficulty and materials simultaneously.

In another embodiment of the present invention, as shown in fig. 1-2, each of the pins 50 is made of two layers. Specifically, each pin 50 is made of two layers of materials, so that the strength of each pin 50 is improved, and in the using process, each pin 50 cannot be bent due to insufficient strength, and the stability is further improved.

A relay comprises the movable reed. Specifically, because the relay adopts the movable spring, in the use process, the movable spring is in the frequent working process and under the action of the positioning buckle 61, so that the position of the movable spring cannot be displaced, and the use stability of the relay is ensured.

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

1. A movable reed is characterized by comprising a vertical part, a horizontal part and a bent part, wherein the bent part is connected between the horizontal part and the vertical part, the tail end of the horizontal part is provided with a riveting block, the riveting block is provided with a first riveting hole for riveting a contact, and the vertical part is provided with a second riveting hole for fixing the vertical part; a plurality of pins are arranged at one end of the vertical part; positioning parts are further arranged between one end of each vertical part and each pin, positioning buckles which are bent inwards are arranged on two sides of each positioning part, and bosses are arranged at the tail ends of the positioning buckles.

2. The movable spring plate as claimed in claim 1, wherein the end of the positioning buckle and both sides of the boss are provided with first notches for relieving stress.

3. The movable spring plate according to claim 2, wherein each of the positioning portions is bent in a "U" shape.

4. The movable spring according to claim 1, wherein the vertical portion, the bent portion and the horizontal portion are provided with elongated holes communicating with each other for avoiding stress concentration.

5. The movable contact spring according to any one of claims 1 to 4, wherein the number of the second riveting holes is three, and the second riveting holes are distributed in a triangular structure.

6. The movable spring plate according to any one of claims 1 to 4, wherein the riveting block is made of two layers which are overlapped.

7. The movable spring plate according to any one of claims 1 to 4, wherein the end of the horizontal portion and both sides of the riveting block are provided with second notches for the first-out stress action.

8. A movable spring according to any one of claims 1-4, wherein the number of the pins is two.

9. A movable contact spring according to any of claims 1-4, wherein each of the leads is made of two layers of laminate.

10. A relay, characterized by comprising a movable reed according to any one of claims 1 to 9.