CN201886977U

CN201886977U - Magnetic hold relay

Info

Publication number: CN201886977U
Application number: CN201020662509XU
Authority: CN
Inventors: 郑绍信; 王�琦; 王文平; 罗康; 余正强; 吴学庭
Original assignee: QUNYING RADIO EQUIPMENT FACTORY CHINA ZHENHUA GROUP
Current assignee: Guizhou Zhenhua Qunying Electrical Appliances Co.,Ltd.
Priority date: 2010-12-16
Filing date: 2010-12-16
Publication date: 2011-06-29
Anticipated expiration: 2020-12-16

Abstract

The utility model discloses a magnetic hold relay which consists of a magnetic circuit part, a transmission part and a contact part, wherein at the magnetic circuit part, a coil (1) and an iron core (11) are arranged in the middle of a coil frame (2), two ends of the coil frame (2) are in riveted connection through a yoke (3); the transmission part consists of an armature (4) and a transmission piece (5); the armature (4) is positioned on a base (10) through a self-included small shaft and is stopped by the yoke (3); a movable spring plate (6) is placed on a faucet of the transmission piece (5); the contact part consists of the movable spring plate (6), contacts (7), a static spring plate (8) and a connection sheet (9); the movable spring plate (6) is also provided with a contact and is firmly connected through a stamping rivet self-included on the connection sheet (9); the connection sheet (9) is bent to be positioned and is inserted into the faucet on the base; the static spring plate (8) is also provided with a contact, and a convex nail stamped on the static spring plate is positioned and inserted into the base by; and at the upward side, the armature (4) is positioned by a fixed plate and then covered into a cover plate. The magnetic hold relay provided by the utility model is simple and easy for machining, reasonable in design, excellent in performance and high in reliability.

Description

Magnetic latching relay

Technical field: the utility model relates to the high power relay of automatic control, particularly a kind of magnetic latching relay.

Background technology: the existing magnetic latching relay that is applicable to automation control, mainly forms by magnetic circuit part, running part and contact portion, when magnetic circuit coil sections leading-out end welds easily on coil tin sticky cause reliability decrease, and production efficiency is lower; Contact portion movable contact spring stress distribution is unreasonable, the excessive reliability decrease that causes of deformation place stress when being subjected to external force.

Summary of the invention: the purpose of this utility model is, a kind of magnetic latching relay is provided, and it has solved weak point of the prior art, can reach purpose superior, reliable in action.

Formation of the present utility model: by the magnetic circuit part, running part and contact portion are formed, in the magnetic circuit part, coil vacation (2) the middle part coil (1) of packing into, (11) unshakable in one's determination, two ends connect by yoke (3) riveting load, running part is made up of armature (4) and driving member (5), armature (4) is positioned on the pedestal (10) and by yoke (3) stop by the little axle that carries, movable contact spring (6) is put on the socket of driving member (5), contact portion is by movable contact spring (6), contact (7), static contact spring piece (8), brace (9) is formed, movable contact spring (6) is gone up riveting the contact is housed, and connect firm by the punch rivet that carries on the brace (9), socket on brace (9) bending location and the insertion pedestal, static contact spring piece (8) also riveting is adorned a contact, insert pedestal by the protruding nail location that stamps out on it, the top is gone into cover plate with a fixed head with armature (4) location and lid.

Compared with the prior art, the utlity model has following characteristics:

1. in contact portion design in the past, often only pay attention to the recovery counter-force of reed, but ignored the long-term reciprocating integrity problem of reed, we find the reed root that the main concentrated position of this reed internal stress is contacting with brace in the analog simulation that carries out, long-term motion or high frequency time motion descend coefficient of safety herein very low, therefore, in the process of this design, considered the reliable in action of product, the internal stress of the radius bend that has strengthened the reed root when disperseing motion, simultaneously for compensating the reed counter-force of loss thus, with the angle of inclination differentiation of reed with respect to brace, improve counter-force in contact riveting dress back owing to separately stress checks and balance, realized the guarantee of counter-force under the less consumptive material condition;

2. in the design of magnetic circuit, it is unsettled above coil when coil leading-out end in the past welds, can occur during welding soaking into uneven situation near the tin of coil surface, simultaneously because ferrochrome causes the thermal deformation of bobbin for a long time with contacting of exit, the installation dimension that influences exit changes, when wicking is too much easily on coil tin sticky cause the coil reliability decrease, welder's difference in operation meeting causes the consistent of coil to descend, for head it off has added the fluting design in the design of coil, exit inserts welding ends behind the bobbin and makes progress the action of bending earlier to get out of the way winding space, during coiling the end of a thread is twined on it, use the tin sticky of tin pot after finishing, the tin liquor homogeneous immersion is isolated with coil space on exit, and the reliability consistency all is higher than conventional method.

The beneficial effects of the utility model are: process simple and easyly, it is more reasonable to design, superior performance, reliability height.

Description of drawings: accompanying drawing is the utility model structural representation.

In the drawings: 1 coil, 2 bobbins, 3 yokes, 4 armature, 5 driving members, 6 movable contact springs, 7 contacts, 8 static contact spring pieces, 9 braces, 10 pedestals, 11 iron cores.

Embodiment: as shown in the figure, static contact spring piece 8, brace 9 closely cooperate by bending location and pedestal 10 sockets, movable contact spring 6 connects by the nail riveting load of dashing that carries on the brace 9, contact 7 is connected with movable contact spring 6, static contact spring piece 8 by the mode of riveting dress, movable contact spring 6 is linked by driving member 5 and armature part 4, armature 4 carries that little axle is rotatably assorted with pedestal 10 and because the yoke 3 that coiler part stretches out and stop, coil 1 is pretended even by unshakable in one's determination 11 riveting with yoke 3.

Claims

1. magnetic latching relay, by the magnetic circuit part, running part and contact portion are formed, it is characterized in that: in the magnetic circuit part, bobbin (2) the middle part coil (1) of packing into, (11) unshakable in one's determination, two ends connect by yoke (3) riveting load, running part is made up of armature (4) and driving member (5), armature (4) is positioned on the pedestal (10) and by yoke (3) stop by the little axle that carries, movable contact spring (6) is put on the socket of driving member (5), contact portion is by movable contact spring (6), contact (7), static contact spring piece (8), brace (9) is formed, movable contact spring (6) is gone up riveting the contact is housed, and connect firm by the punch rivet that carries on the brace (9), socket on brace (9) bending location and the insertion pedestal, static contact spring piece (8) also riveting is adorned a contact, insert pedestal by the protruding nail location that stamps out on it, the top is gone into cover plate with a fixed head with street iron (4) location and lid.