CN201725740U

CN201725740U - Electromagnetic contactor

Info

Publication number: CN201725740U
Application number: CN2010201528591U
Authority: CN
Inventors: 林连木
Original assignee: YUEQING CITY HUANGHUA RAILWAY LOCOMOTIVE PARTS FACTORY
Current assignee: YUEQING CITY HUANGHUA RAILWAY LOCOMOTIVE PARTS FACTORY
Priority date: 2010-04-01
Filing date: 2010-04-01
Publication date: 2011-01-26
Anticipated expiration: 2020-04-01

Abstract

The utility model relates to an electromagnetic contactor comprising a transmission part, an electromagnetic driving part, a machine body part and an arcing shield, wherein the transmission part comprises a movable iron core, a transmission bar, a push rod component, a moving contact base and a moving contact component; the electromagnetic driving part comprises a yoke iron component, a static iron core, a coil component and a wiring component; the machine body part comprises a side wall, an end cap, a bottom plate and a pressure spring and a static contact component installed on the side wall; and when the contactor is electrified, the coil is on power to adsorb the movable iron core, and the moving contact is driven to move by the transmission bar, the push rod component and the moving contact base, thus realizing closing of a main contact. For the electromagnetic contactor, the arcing shield is provided with a fixed handle, the side wall is provided with an elastic component, and the elastic component and the fixed handle form a locking mechanism jointly, thus being more convenient in installation, dismounting and maintaining.

Description

Electromagnetic contactor

Technical field

The utility model relates to a kind of electromagnetic contactor, relates in particular to the electromagnetic contactor of using always in the plant equipment in a kind of railway locomotive, vehicle, track traffic, electric motor car group, harbour, oil field, mine.

Background technology

Used electromagnetic contactor all is to transform a little to form on the basis of civil electric appliance in the special equipment of occasions such as railway and oil field, mine at present, and in actual the use, mostly be horizontally-mounted electromagnetic contactor greatly, this kind contactor is in the process of installation and removal, owing to be subjected to the influence of self gravitation, cause the inconvenience of great installation, dismounting and maintenance to the staff; In the course of work, except the influence that is subjected to self gravitation, also be subjected to the influence of the operational environment of high density, big capacity, strong motion, it is not firm to cause contactor to install, even comes off; And the arc-extinguish chamber of horizontally-mounted contactor is consistent with staff's horizontal line of sight direction, has blocked staff's sight line, therefore the operating state that is unfavorable for observing contact mechanism.

Summary of the invention

The purpose of this utility model is to overcome the defective of prior art, and a kind of electromagnetic contactor of better reliability is provided.

For achieving the above object, the utility model adopts a kind of electromagnetic contactor, is also referred to as vertical electromagnetic contactor, comprises running part, Electromagnetic Drive part, body part and arc-extinguish chamber.Wherein running part comprises moving iron core, drive link, push-rod assembly, movable contact headstock and moving contact component; The electromagnetic drive part branch comprises yoke assembly, static iron core, coil block and connector assembly; Body partly comprises sidewall, end cap, base plate and is contained in compression spring and fixed contact assembly on the sidewall, after the contactor energising, coil gets electric, and iron core is moved in inspiration, drive the moving contact motion by drive link, push-rod assembly, movable contact headstock, realize the closure of main contact.Improvements of the present utility model are to be equipped with on the arc-extinguish chamber one fixed handle, one and the corresponding elastic parts of fixed handle are housed on the sidewall of contactor, elastic parts comprises a grip handle, the corresponding end of fixed handle on this grip handle and the arc-extinguish chamber is hook-shaped, and hook-shaped this end of this grip handle and the fixed handle on the arc-extinguish chamber constitute flexible connection.

After existing horizontal electromagnetic contactor is transformed into vertical electromagnetic contactor, change for convenience, its installation dimension, installation site, lead-out wire all are consistent with former electromagnetic contactor, and in the process of electromagnetic contactor work, because contactor is to use under the condition of high density, big capacity, strong motion, therefore arc-extinguish chamber plays pendulum easily, even comes off, and directly influence is to the operating efficiency of the arc quenching effect and the special equipment of contact.A retaining mechanism is set on contactor, has increased the stability of arc-extinguish chamber greatly, and vertical electromagnetic contactor more helps the operating state that the staff observes contactor at any time, hommization more, installing/dismounting, maintaining are more flexible.

As a preference of the present utility model, its elastic device also comprises a catch base, spring base and spring, a double end nut and a double end rivet, wherein the end of catch base is provided with the double end nut, this double end nut is fixed on the sidewall of contactor, this catch base is that rotating shaft is free to rotate with the axis of double end nut, the both sides, front and back of grip handle end are fixed with a double end rivet, the two sides, front and back of catch base have a fluting that communicates, this double end rivet lies across on fluting, spring base is arranged on double end rivet top and can drives the double end rivet and moves, be provided with a spring that plays position-limiting action between spring base and the fluting, when promoting spring base, the double end rivet that moves in the catch base fluting drives grip handle and moves together, thereby makes the hook part of grip handle fasten the projection that is arranged on fixed handle one end on the arc-extinguish chamber effectively.

The emergency set that further is set to electromagnetic contactor of the present utility model, comprise a supporting bracket, two backing plates and a handle, the one end below of handle is one and is hook-shaped handle, the diagonally opposing corner of this handle is an end face that is circular arc, wherein supporting bracket and backing plate are fixed on the end cap of electromagnetic contactor by modes such as screw or rivets, handle vertically is hingedly mounted on the supporting bracket, can pin joint be that fulcrum freely rotates, and the circular arc end face of handle and moving iron core bottom are over against answering, when contactor disconnects for some reason, during cisco unity malfunction, the staff can the rotating emergency device handle, circular arc end face by handle promotes moving iron core and drive link and promotes assembly, and main contact is kept closed.

Description of drawings

Fig. 1 is the utility model embodiment shape assumption diagram.

Fig. 2 is the front view of the utility model embodiment elastic parts.

Fig. 3 is the vertical view of the utility model embodiment elastic parts.

Fig. 4 is the enlarged drawing of A part emergency set among Fig. 1.

Embodiment

As shown in Figure 1, specific embodiment of the utility model is a kind of electromagnetic contactor, comprise running part, Electromagnetic Drive part, elastic parts 1, emergency set 9, body part and arc-extinguish chamber 6 and the fixed handle 17 that is installed in arc-extinguish chamber 6 one sides, wherein running part comprises moving iron core 10, drive link 11, push-rod assembly 5, movable contact headstock 4 and moving contact component 3; The electromagnetic drive part branch comprises yoke assembly 14, static iron core 18, coil block 12 and connector assembly 7; Body partly comprises sidewall 15, end cap 8, base plate 13 and is contained in compression spring 16 and fixed contact assembly 2 on the sidewall 15, elastic parts 1 comprises a grip handle 101, wherein elastic parts 1 is corresponding with the fixed handle 17 on being installed in arc-extinguish chamber 6, it is hook-shaped 109 that grip handle 101 and fixed handle 17 corresponding ends on the arc-extinguish chamber 6 are, and this grip handle 101 is this end of hook-shaped 109 and constitutes flexible connections with the fixed handle on the arc-extinguish chamber 6 17.

As shown in Figures 2 and 3 be the elastic device 1 of the utility model embodiment, comprise a catch base 108, spring base 106 and spring 105, a double end nut 104 and a double end rivet 103, a handle 102, wherein the end of catch base 108 is provided with double end nut 104, this double end nut 104 is fixed on the side arm 15 of contactor, this catch base 108 is that rotating shaft is free to rotate with the axis of double end nut 104, grip handle 101 wherein an end before, back both sides are fixed with a double end rivet 103, the two sides, front and back of catch base 108 have a fluting that communicates, this double end rivet 103 lies across on fluting, spring base 106 is arranged on double end rivet 103 tops and can drives the double end rivet and moves, be provided with a spring 105 that plays position-limiting action between spring base 106 and the fluting, when promoting spring base 106, the double end rivet 103 that moves in the catch base fluting drives grip handle 101 and moves together, thereby make grip handle be this hook-shaped end and fasten the projection that is arranged on fixed handle one end on the arc-extinguish chamber effectively, constitute flexible connection.

As shown in Figure 4 be the emergency set 9 of the utility model embodiment, comprise supporting bracket 91, handle 92, bolt 95, the one end below of handle 92 is one and is hook-shaped handle, the diagonally opposing corner of this handle is an end face 921 that is circular arc, wherein supporting bracket 91 is fixedly mounted on the contactor end cap 8 by bolt 95, the handle 92 that is arranged at supporting bracket 91 1 sides can rotate freely around pin joint, and the circular arc end face 921 of handle and moving iron core 10 lower surfaces are over against answering.

Claims

1. an electromagnetic contactor comprises running part, Electromagnetic Drive part, body part and arc-extinguish chamber, and wherein running part comprises moving iron core, drive link, push-rod assembly, movable contact headstock and moving contact component; The electromagnetic drive part branch comprises yoke assembly, static iron core, coil block and connector assembly; Body partly comprises sidewall, end cap, base plate and is contained in compression spring and fixed contact assembly on the sidewall, it is characterized in that: a fixed handle is installed on the arc-extinguish chamber, one and the corresponding elastic parts of fixed handle are housed on the sidewall of contactor, elastic parts comprises a grip handle, the corresponding end of fixed handle on this grip handle and the arc-extinguish chamber is hook-shaped, and this grip handle is hook-shaped this end and the fixed handle on the arc-extinguish chamber and constitutes flexible connection.

2. electromagnetic contactor according to claim 1, it is characterized in that: described elastic parts comprises a catch base, spring base, spring, the double end nut, the double end rivet, wherein catch base end is provided with the double end nut, one end of this double end nut is fixed on the sidewall of contactor, this catch base is that rotating shaft is free to rotate with the axis of double end nut, before the grip handle end, back both sides are fixed with a double end rivet, before the catch base, back two sides have a fluting that communicates, this grip handle lies across on the catch base fluting by the double end rivet, spring base is arranged on double end rivet top and can drives the double end rivet and moves, and is provided with a spring that plays position-limiting action between spring base and the fluting.

3. electromagnetic contactor according to claim 1, it is characterized in that: described electromagnetic contactor comprises an emergency set that is arranged on moving iron core below, this emergency set comprises supporting bracket, handle, bolt, the one end below of handle is one and is hook-shaped handle, the diagonally opposing corner of this hook-shaped handle is an end face that is circular arc, wherein supporting bracket is fixedly mounted on the end cap by securing member, the handle that is arranged at supporting bracket one side can rotate freely around pin joint, and the circular arc end face of handle and moving iron core lower surface are over against answering.